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CMOS 3CH-LDOs for RF Unit
R5324D SERIES
NO. EA-099-0301
OUTLINE
The R5324D Series are CMOS-based multi positive voltage regulator ICs with high output voltage accuracy, low supply current, low noise, low dropout and high ripple rejection. The R5324D Series contain three voltage regulators. Each of these voltage regulators in the R5324D Series consists of a voltage reference unit, an error amplifier, resistors for setting output voltage, a short current limit circuit, a chip enable circuit, and so on. The chip enable function contributes to prolong battery life. Further, regulators in the R5324D Series are with low dropout voltage, excellent load transient response and line transient response, thus the R5324D series are very suitable for the power supply for hand-held communication equipment. Since the package for these ICs is SON-8, high density mounting of the ICs on boards is possible.
FEATURES
* Ultra-Low Supply Current ...........................................Typ. 90A: VR1, Typ. 90A: VR2, Typ. 90A: VR3 * Low Standby Current...................................................Typ. 0.1A * Low Dropout Voltage ...................................................Typ. 0.23V (VR1) 0.22V(VR2) 0.15V (VR3) IOUT=200mA: VR1, 150mA: VR2, 100mA: VR3 (ex. for 3.0V Output Type) * High Ripple Rejection ..................................................Typ. 70dB (f=1kHz), 65dB (f=10kHz) * High Output Voltage Accuracy ....................................2.0% * Excellent Load Transient Response and Line Transient Response * Small Package ...............................................................SON-8 * Ceramic Capacitor Recommended for Output ............1.0F or more
APPLICATIONS
* Power source for cellular phones and portable communication equipment. * Power source for electrical appliances such as cameras, VCRs. * Power source for battery-powered equipment.
1
R5324D
BLOCK DIAGRAMS
R5324DXXXA
VDD 1 R1_1 8 VOUT1
Error Amp. Vref Current Limit CE1 2
+
R2_1
7 R1_2
VOUT2
Error Amp.
+
Vref Current Limit CE2 3 6 R1_3 VOUT3 R2_2
Error Amp.
+
Vref Current Limit CE3 4 5 GND R2_3
2
R5324D
R5324DxxxB
VDD 1 R1_1 8 VOUT1
Error Amp. Vref Current Limit CE1 2
+
R2_1
7 R1_2
VOUT2
Error Amp.
+
Vref Current Limit CE2 3 6 R1_3 VOUT3 R2_2
Error Amp.
+
Vref Current Limit CE3 4 5 GND R2_3
SELECTION GUIDE
The selection can be made with designating the part number as shown below: R5324Dxxxx-TR ab c Code a b c Descriptions Serial Number for Voltage setting from 001 Alphabetical Code for Mask Versions A: Standard B: With auto discharge function at off state Designation of Taping Type (TR is described as standard.) Part Number
3
R5324D
PIN CONFIGURATION
SON-8 Package Typ. 2.9
Typ. 0.48 8 5
Typ. 2.8
1 4
PIN DESCRIPTION
Pin No. 1 2 3 4 5 6 7 8 Symbol VDD CE1 CE2 CE3 GND VOUT3 VOUT2 VOUT1 Descriptions Input Pin Chip Enable Pin 1 Chip Enable Pin 2 Chip Enable Pin 3 Ground Pin Output Pin 3 Output Pin 2 Output Pin 1
4
Typ. 3.0
R5324D
ABSOLUTE MAXIMUM RATINGS
Symbol VIN CE VOUT IOUT1 IOUT2 IOUT3 PD Topt Tstg Item Input Voltage Input Voltage (CE Pin) Output Voltage Output Current (VOUT1) Output Current (VOUT2) Output Current (VOUT3) Power Dissipation Operating Temperature Range Storage Temperature Range Rating 6.5 -0.3~VIN+0.3 -0.3~VIN+0.3 230 180 180 300 -40~85 -55~125 Unit V V V mA mA mA mW C C
5
R5324D
ELECTRICAL CHARACTERISTICS
* R5324DXXXA/B VR1 Symbol VOUT IOUT VOUT/IOUT VDIF ISS Istandby VOUT/VIN Item Output Voltage Output Current Load Regulation Dropout Voltage Supply Current Supply Current (Standby) Line Regulation Conditions VIN-VOUT=1.0V 1mAIOUT30mA VIN-VOUT=1.0V VIN-VOUT=1.0V 1mAIOUT200mA Min. x0.98 200 25 50 Typ. Topt=25C Max. x1.02 Unit V mA mV
Refer to Electrical Characteristic by Output Voltage (VR1) VIN-VOUT=1.0V VIN-VOUT=1.0V, VCE=GND VOUT+0.5VVIN6.0V IOUT=30mA (VOUT2.0V: 2.2VVIN6.0V) f=1kHz f=10kHz f=10kHz (VOUT2.5V) 70 65 60 dB 0.02 0.10 %/V 90 0.1 140 1.0 A A
RR
Ripple Rejection
sinusoidal Ripple 0.5Vp-p VIN-VOUT=1.0V IOUT=30mA , VOUT1.7V VIN-VOUT=1.2V
VIN VOUT/T ILIM RPD VCEH VCEL en RLOW
Input Voltage Output Voltage Temperature Coefficient Short Current Limit CE Pull-down Resistance CE Input Voltage "H" CE Input Voltage "L " Output Noise On Resistance of Nch Tr. for Auto-discharge (Applied to B version) VCE=0V BW=10Hz~100kHz IOUT=30mA -40Topt85C VOUT=0V
2.0 100 40 0.7 1.5 0.0 30 50 2.0
6.0
V ppm /C mA
5.0 VIN 0.3
M V V Vrms
6
R5324D
* ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE (VR1) Topt=25C Dropout Voltage Output Voltage VOUT (V) VDIF (V) Condition VOUT=1.5 VOUT=1.6 VOUT=1.7 1.8VOUT2.0 2.1VOUT2.7 2.8VOUT4.0 IOUT=200mA Typ. 0.36 0.34 0.33 0.31 0.28 0.23 Max. 0.65 0.58 0.56 0.53 0.46 0.35
7
R5324D
VR2 Symbol VOUT IOUT VOUT/IOUT VDIF ISS Istandby VOUT/VIN Item Output Voltage Output Current Load Regulation Dropout Voltage Supply Current Supply Current (Standby) Line Regulation Conditions VIN-VOUT=1.0V 1mAIOUT30mA VIN-VOUT=1.0V VIN-VOUT=1.0V 1mAIOUT150mA Min. x0.98 150 15 40 Typ.
Topt=25C Max. x1.02 Unit V mA mV
Refer to Electrical Characteristics by Output Voltage (VR2) VIN-VOUT=1.0V VIN-VOUT=1.0V, VCE=GND VOUT+0.5VVIN6V IOUT=30mA (VOUT1.6V: 2.2VVIN6V) f=1kHz f=10kHz f=10kHz (VOUT2.5V) 70 65 60 dB 0.02 0.10 %/V 90 0.1 120 1.0 A A
RR
Ripple Rejection
sinusoidal Ripple 0.5Vp-p VIN-VOUT=1.0V IOUT=30mA , (VOUT1.7V VIN-VOUT=1.2V)
VIN VOUT/T ILIM RPD VCEH VCEL en RLOW
Input Voltage Output Voltage Temperature Coefficient Short Current Limit CE Pull-down Resistance CE Input Voltage "H" CE Input Voltage "L " Output Noise On Resistance of Nch Tr. for Auto-discharge (Applied to B version) VCE=0V BW=10Hz~100kHz IOUT=30mA -40CTopt85C VOUT=0V
2.0 100 40 0.7 1.5 0.00 30 50 2.0
6.0
V ppm /C mA
5.0 VIN 0.30
M V V Vrms
8
R5324D
* ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE (VR2) Topt=25C Dropout Voltage Output Voltage VOUT (V) VDIF (V) Condition VOUT=1.5 VOUT=1.6 VOUT=1.7 1.8VOUT2.0 2.1VOUT2.7 2.8VOUT4.0 IOUT=150mA Typ. 0.34 0.32 0.31 0.29 0.26 0.22 Max. 0.60 0.56 0.53 0.50 0.44 0.33
9
R5324D
VR3 Symbol VOUT IOUT VOUT/IOUT VDIF ISS Istandby VOUT/VIN Item Output Voltage Output Current Load Regulation Dropout Voltage Supply Current Supply Current (Standby) Line Regulation Conditions VIN-VOUT=1.0V 1mAIOUT30mA VIN-VOUT=1.0V VIN-VOUT=1.0V 1mAIOUT100mA Min. x0.98 100 8 20 Typ.
Topt=25C Max. x1.02 Unit V mA mV
Refer to Electrical Characteristics by Dropout Voltage (VR3) VIN-VOUT=1.0V VIN-VOUT=1.0V VCE=GND , VOUT+0.5VVIN6V IOUT=30mA f=1kHz f=10kHz f=10kHz (VOUT2.5V) 90 0.1 0.02 70 65 60 dB 120 1.0 0.10 A A %/V
RR
Ripple Rejection
sinusoidal Ripple 0.5Vp-p VIN-VOUT=1.0V IOUT=30mA , (VOUT1.7V VIN-VOUT=1.2V)
VIN VOUT/T ILIM RPD VCEH VCEL en RLOW
Input Voltage Output Voltage Temperature Coefficient Short Current Limit CE Pull-down Resistance CE Input Voltage "H" CE Input Voltage "L " Output Noise On Resistance of Nch Tr. for Auto-discharge (Applied to B version) VCE=0V BW=10Hz~100kHz IOUT=30mA -40CTopt85C VOUT=0V
2.0 100 40 0.7 1.5 0.0 30 50 2.0
6.0
V ppm /C mA
5.0 VIN 0.3
M V V Vrms
10
R5324D
* ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE (VR3) Dropout Voltage Output Voltage VOUT (V) VDIF (V) Condition VOUT=1.5 VOUT=1.6 VOUT=1.7 1.8VOUT2.0 2.1VOUT2.7 2.8VOUT4.0 IOUT=100mA Typ. 0.24 0.22 0.21 0.20 0.18 0.15 Max. 0.44 0.40 0.38 0.37 0.33 0.25
Topt=25C
OPERATION
R5324DXXXA
VDD 1 R1_1 8 VOUT1
Error Amp. Vref Current Limit CE1 2
+
R2_1
7 R1_2
VOUT2
Error Amp.
+
Vref Current Limit CE2 3 6 R1_3 VOUT3 R2_2
Error Amp.
+
Vref Current Limit CE3 4 5 GND R2_3
Fluctuation of each regulator's output voltage, or VOUT1, 2, 3 is detected individually. Then it is put back to an error amplifier through feedback resistors, or R1_1, R2_1, R1_2, R2_2, R1_3, R2_3 and compared with a reference voltage and compensated for the result and make a constant voltage. In each regulator, short protection is made with a current limit circuit and stand-by mode is available by a chip enable circuit.
11
R5324D
TEST CIRCUITS
IN IOUT1 1 2 3 4 VDD CE1 VOUT1 8 7 6 5 C2 IOUT2 C1 VOUT2 R5324D SERIES CE2 VOUT3 CE3 GND C3 IOUT3 C4 3 4 C1 2 CE1 VOUT2 R5324D SERIES CE2 VOUT3 CE3 GND 7 6 5 C3 C4 IN ISS 1 VDD VOUT1 8 C2
C1=C2=C3=C4=Ceramic 1.0F
C1=C2=C3=C4=Ceramic 1.0F
Standard Test Circuit
IN IOUT1 1 2 P .G. 3 4 VDD CE1 VOUT1 8 7 6 5 C1 IOUT2 VOUT2 R5324D SERIES CE2 VOUT3 CE3 GND C2 IOUT3 C3 3 4 C1 2 IN
Supply Current Test Circuit
I1a 1 VDD CE1 VOUT1 8 7 6 5 C2 C3 C4 I3b CE3 GND I2a I1b I3a I2b
VOUT2 R5324D SERIES CE2 VOUT3
C1=C2=C3=Ceramic 1.0F
C1=C2=C3=C4=Ceramic 1.0F
Ripple Rejection, Input Transient Response Test Circuit
Load Transient Response Test Circuit
TYPICAL CHARACTERESTICS
1) Output Voltage vs. Output Current (Topt=25C) 1.5V (VR1)
1.6 1.6 VIN=1.8V VIN=2.0V
1.5V (VR2/VR3)
Output Voltage VOUT(V)
1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0 100 200 300 400 500 VIN=2.5V VIN=1.8V
Output Voltage VOUT(V)
1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0
VIN=2.0V
VIN=3.5V
VIN=3.5V VIN=2.5V
100
200
300
400
500
Output Current IOUT(mA)
Output Current IOUT(mA)
12
R5324D
2.8V (VR1)
3.0 3.0
2.8V (VR2/VR3)
Output Voltage VOUT(V)
2.5 2.0 1.5 1.0 0.5 0.0
Output Voltage VOUT(V)
2.5 2.0 1.5 1.0 0.5 0.0 0
VIN=3.1V VIN=3.3V VIN=3.8V VIN=4.8V
VIN=3.1V VIN=3.3V VIN=3.8V VIN=4.8V
100
200
300
400
500
0
100
200
300
400
500
Output Current IOUT(mA)
Output Current IOUT(mA)
4.0V (VR1)
5 VIN=5.0V 5
4.0V (VR2/VR3)
Output Voltage VOUT(V)
VIN=5.0V 4 VIN=4.3V 3 VIN=4.5V 2 1 0 VIN=6.0V
Output Voltage VOUT(V)
4 VIN=4.3V 3 VIN=4.5V 2 VIN=6.0V 1 0 0 100 200 300 400 500
0
100
200
300
400
500
Output Current IOUT(mA)
Output Current IOUT(mA)
2)
Output Voltage vs. Input Voltage (Topt=25C) 1.5V (VR1)
1.6 1.6
1.5V (VR2/VR3)
Output Voltage VOUT(V)
1.5 1.4 1.3 1.2 1.1 1.0 1mA 30mA 50mA 1 2 3 4 5 6
Output Voltage VOUT(V)
1.5 1.4 1.3 1.2 1.1 1.0 1 2 3 4 5 6 1mA 30mA 50mA
Input Voltage VIN(V)
Input Voltage VIN(V)
13
R5324D
2.8V (VR1)
2.9 2.9
2.8V (VR2/VR3)
Output Voltage VOUT(V)
2.8 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1 2 3 4 1mA 30mA 50mA 5 6
Output Voltage VOUT(V)
2.8 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1 2 3 4 5 6 1mA 30mA 50mA
Input Voltage VIN(V)
Input Voltage VIN(V)
4.0V (VR1)
4.2 4.2
4.0V (VR2/VR3)
Output Voltage VOUT(V)
4.0 3.8 3.6 3.4 3.2 3.0 1mA 30mA 50mA
Output Voltage VOUT(V)
4.0 3.8 3.6 3.4 3.2 3.0 1 2
1mA 30mA 50mA
3
4
5
6
1
2
3
4
5
6
Input Voltage VIN(V)
Input Voltage VIN(V)
3)
Dropout Voltage vs. Output Current 1.5V (VR1)
0.5 0.5
1.5V (VR2)
Dropout Voltage VDIF(V)
85C 25C -40C
Dropout Voltage VDIF(V)
0.4 0.3 0.2 0.1 0.0 0 25
85C 25C -40C
0.4 0.3 0.2 0.1 0.0
50
75 100 125 150 175 200
0
25
50
75
100
125
150
Output Current IOUT(mA)
Output Current IOUT(mA)
14
R5324D
1.5V (VR3)
0.5 0.5
1.6V (VR1)
Dropout Voltage VDIF(V)
85C 25C -40C
Dropout Voltage VDIF(V)
0.4 0.3 0.2 0.1 0.0 0
85C 25C -40C
0.4 0.3 0.2 0.1 0.0
25
50
75
100
0
25
50
75 100 125 150 175 200
Output Current IOUT(mA)
Output Current IOUT(mA)
1.6V (VR2)
0.5 0.5
1.6V (VR3)
Dropout Voltage VDIF(V)
85C 25C -40C
Dropout Voltage VDIF(V)
0.4 0.3 0.2 0.1 0.0 0 25
85C 25C -40C
0.4 0.3 0.2 0.1 0.0
50
75
100
125
150
0
25
50
75
100
Output Current IOUT(mA)
Output Current IOUT(mA)
1.7V (VR1)
0.5 0.5
1.7V (VR2)
Dropout Voltage VDIF(V)
85C 25C -40C
Dropout Voltage VDIF(V)
0.4 0.3 0.2 0.1 0.0 0 25
85C 25C -40C
0.4 0.3 0.2 0.1 0.0
50
75 100 125 150 175 200
0
25
50
75
100
125
150
Output Current IOUT(mA)
Output Current IOUT(mA)
15
R5324D
1.7V (VR3)
0.5 0.40
1.8V (VR1)
Dropout Voltage VDIF(V)
0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 25 50 75 100 125 150 175 200 85C 25C -40C
Dropout Voltage VDIF(V)
0.4 0.3 0.2 0.1 0.0 0
85C 25C -40C
25
50
75
100
Output Current IOUT(mA)
Output Current IOUT(mA)
1.8V (VR2)
0.40 0.40
1.8V (VR3)
Dropout Voltage VDIF(V)
0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 25 50 75 100 85C 25C -40C
Dropout Voltage VDIF(V)
0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 25
85C 25C -40C
50
75
100
125
150
Output Current IOUT(mA)
Output Current IOUT(mA)
2.1V (VR1)
0.40 0.40
2.1V (VR2)
Dropout Voltage VDIF(V)
0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 25 50 75 100 125 150 85C 25C -40C
Dropout Voltage VDIF(V)
0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 25
85C 25C -40C
50
75 100 125 150 175 200
Output Current IOUT(mA)
Output Current IOUT(mA)
16
R5324D
2.1V (VR3)
0.40 0.40
2.8V (VR1)
Dropout Voltage VDIF(V)
0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 25 50 75 100 125 150 175 200 85C 25C -40C
Dropout Voltage VDIF(V)
0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0
85C 25C -40C
25
50
75
100
Output Current IOUT(mA)
Output Current IOUT(mA)
2.8V (VR2)
0.40 0.40
2.8V (VR3)
Dropout Voltage VDIF(V)
0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 25 50 75 100 85C 25C -40C
Dropout Voltage VDIF(V)
0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 25
85C 25C -40C
50
75
100
125
150
Output Current IOUT(mA)
Output Current IOUT(mA)
4.0V (VR1)
0.40 0.40
4.0V (VR2)
Dropout Voltage VDIF(V)
0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 25 50 75 100 125 150 85C 25C -40C
Dropout Voltage VDIF(V)
0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 25
85C 25C -40C
50
75 100 125 150 175 200
Output Current IOUT(mA)
Output Current IOUT(mA)
17
R5324D
4.0V (VR3)
0.40
Dropout Voltage VDIF(V)
0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0
85C 25C -40C
25
50
75
100
Output Current IOUT(mA)
4)
Output Voltage vs. Temperature (IOUT=30mA) 1.5V (VR1) VIN=2.5V
1.54 1.54
1.5V (VR2/VR3) VIN=2.5V
Output Voltage VOUT(V)
1.53 1.52 1.51 1.50 1.49 1.48 1.47 1.46 -50 -25 0 25 50 75 100
Output Voltage VOUT(V)
1.53 1.52 1.51 1.50 1.49 1.48 1.47 1.46 -50 -25 0 25 50 75 100
Temperature Topt(C)
Temperature Topt(C)
2.8V (VR1) VIN=3.8V
2.86 2.86
2.8V (VR2/VR3) VIN=3.8V
Output Voltage VOUT(V)
2.84 2.82 2.80 2.78 2.76 2.74 -50
Output Voltage VOUT(V)
2.84 2.82 2.80 2.78 2.76 2.74 -50
-25
0
25
50
75
100
-25
0
25
50
75
100
Temperature Topt(C)
Temperature Topt(C)
18
R5324D
4.0V (VR1) VIN=5.0V
4.08 4.08
4.0V (VR2/VR3) VIN=5.0V
Output Voltage VOUT(V)
4.06 4.04 4.02 4.00 3.98 3.96 3.94 3.92 -50 -25 0 25 50 75 100
Output Voltage VOUT(V)
4.06 4.04 4.02 4.00 3.98 3.96 3.94 3.92 -50 -25 0 25 50 75 100
Temperature Topt(C)
Temperature Topt(C)
5)
Supply Current vs. Input Voltage (Topt=25C) 1.5V
100 100
2.8V
Supply Current ISS(A)
VR1 80 60 40 20 0 VR2/3
Supply Current ISS(A)
VR1 80 60 40 20 0 0 1 2 3 4 5 6 VR2/3
0
1
2
3
4
5
6
Input Voltage VIN(V)
Input Voltage VIN(V)
4.0V
100
Supply Current ISS(A)
80 VR1 60 VR2/3 40 20 0 0 1 2 3 4 5 6
Input Voltage VIN(V)
19
R5324D
6)
Supply Current vs. Temperature 1.5V (VR1) VIN=2.5V
100 100
1.5V (VR2/VR3) VIN=2.5V
Supply Current ISS(A)
Supply Current ISS(A)
80 60 40 20 0 -50
80 60 40 20 0 -50
-25
0
25
50
75
100
-25
0
25
50
75
100
Temperature Topt(C)
Temperature Topt(C)
2.8V (VR1) VIN=3.8V
100 100
2.8V (VR2/VR3) VIN=3.8V
Supply Current ISS(A)
Supply Current ISS(A)
80 60 40 20 0 -50
80 60 40 20 0 -50
-25
0
25
50
75
100
-25
0
25
50
75
100
Temperature Topt(C)
Temperature Topt(C)
4.0V (VR1) VIN=5.0V
100 100
4.0V (VR2/VR3) VIN=5.0V
Supply Current ISS(A)
Supply Current ISS(A)
80 60 40 20 0 -50
80 60 40 20 0 -50
-25
0
25
50
75
100
-25
0
25
50
75
100
Temperature Topt(C)
Temperature Topt(C)
20
R5324D
7)
Dropout Voltage vs. Set Output Voltage (Topt=25C) VR1
0.6 0.6
VR2
Dropout Voltage VDIF(V)
10mA 30mA 50mA 100mA 150mA 200mA 0.5 0.4 0.3 0.2 0.1 0 10mA 30mA 50mA 100mA 150mA
Dropout Voltage VDIF(V)
0.5 0.4 0.3 0.2 0.1 0 1 2 3
4
1
2
3
4
Set Output Voltage Vreg(V)
Set Output Voltage Vreg(V)
VR3
0.6
Dropout Voltage VDIF(V)
0.5 0.4 0.3 0.2 0.1 0 1 2 3
10mA 30mA 50mA 100mA
4
Set Output Voltage Vreg(V)
8)
Ripple Rejection vs. Frequency (Topt=25C, COUT=Ceramic 1.0F) 1.5V (VR1) VIN=2.7VDC+0.5Vp-p
90
1.5V (VR1) (IOUT3 dependence) VIN=2.7VDC+0.5Vp-p
90
Ripple Rejection RR(dB)
70 60 50 40 30 20 10 0 0.1 IOUT1=1mA IOUT1=30mA IOUT1=200mA 1 10 100
Ripple Rejection RR(dB)
80
80 70 60 50 40 30 20 10 0 0.1 IOUT3=1mA IOUT3=30mA IOUT3=100mA 1 10 100
Frequency f(kHz)
Frequency f(kHz)
21
R5324D
1.5V (VR2) VIN=2.7VDC+0.5Vp-p
90
1.5V (VR3) VIN=2.7VDC+0.5Vp-p
90
Ripple Rejection RR(dB)
70 60 50 40 30 20 10 0 0.1 IOUT=1mA IOUT=30mA IOUT=150mA 1 10 100
Ripple Rejection RR(dB)
80
80 70 60 50 40 30 20 10 0 0.1 IOUT3=1mA IOUT3=30mA IOUT3=100mA 1 10 100
Frequency f(kHz)
Frequency f(kHz)
2.8V (VR1) VIN=3.8VDC+0.5Vp-p
90
2.8V (VR1) (IOUT3 dependence) VIN=3.8VDC+0.5Vp-p
90
Ripple Rejection RR(dB)
70 60 50 40 30 20 10 0 0.1 IOUT1=1mA IOUT1=30mA IOUT1=200mA 1 10 100
Ripple Rejection RR(dB)
80
80 70 60 50 40 30 20 10 0 0.1 IOUT3=1mA IOUT3=30mA IOUT3=100mA 1 10 100
Frequency f(kHz)
Frequency f(kHz)
2.8V (VR2) VIN=3.8VDC+0.5Vp-p
90
2.8V (VR3) VIN=3.8VDC+0.5Vp-p
90
Ripple Rejection RR(dB)
70 60 50 40 30 20 10 0 0.1 IOUT=1mA IOUT=30mA IOUT=150mA 1 10 100
Ripple Rejection RR(dB)
80
80 70 60 50 40 30 20 10 0 0.1 IOUT3=1mA IOUT3=30mA IOUT3=100mA 1 10 100
Frequency f(kHz)
Frequency f(kHz)
22
R5324D
4.0V (VR1) VIN=5.0VDC+0.5Vp-p
90
4.0V (VR1) (IOUT3 dependence) VIN=5.0VDC+0.5Vp-p
90
Ripple Rejection RR(dB)
70 60 50 40 30 20 10 0 0.1 IOUT1=1mA IOUT1=30mA IOUT1=200mA 1 10 100
Ripple Rejection RR(dB)
80
80 70 60 50 40 30 20 10 0 0.1 IOUT3=1mA IOUT3=30mA IOUT3=100mA 1 10 100
Frequency f(kHz)
Frequency f(kHz)
4.0V (VR2) VIN=5.0VDC+0.5Vp-p
90
4.0V (VR3) VIN=5.0VDC+0.5Vp-p
90
Ripple Rejection RR(dB)
70 60 50 40 30 20 10 0 0.1 IOUT=1mA IOUT=30mA IOUT=150mA 1 10 100
Ripple Rejection RR(dB)
80
80 70 60 50 40 30 20 10 0 0.1 IOUT3=1mA IOUT3=30mA IOUT3=100mA 1 10 100
Frequency f(kHz)
Frequency f(kHz)
9)
Ripple Rejection vs. DC Input Bias (Topt=25C, COUT=1.0F) 2.8V (VR1) IOUT=1mA
100 100
2.8V (VR1) IOUT=30mA
Ripple Rejection RR(dB)
90 80 70 60 50 40 30 20 10 0 2.9 3.0 3.1 f=0.1kHz 1kHz 10kHz 100kHz 3.2 3.3
Ripple Rejection RR(dB)
90 80 70 60 50 40 30 20 10 0 2.9 3.0 3.1 f=0.1kHz 1kHz 10kHz 100kHz 3.2 3.3
Input Voltage VIN(V)
Input Voltage VIN(V)
23
R5324D
2.8V (VR1) IOUT=50mA
100 100
2.8V (VR2) IOUT=1mA
Ripple Rejection RR(dB)
90 80 70 60 50 40 30 20 10 0 2.9 3.0 3.1 f=0.1kHz 1kHz 10kHz 100kHz 3.2 3.3
Ripple Rejection RR(dB)
90 80 70 60 50 40 30 20 10 0 2.9 3.0 3.1 f=0.1kHz 1kHz 10kHz 100kHz 3.2 3.3
Input Voltage VIN(V)
Input Voltage VIN(V)
2.8V (VR2) IOUT=30mA
100 100
2.8V (VR2) IOUT=50mA
Ripple Rejection RR(dB)
90 80 70 60 50 40 30 20 10 0 2.9 3.0 3.1 3.2 3.3 f=0.1kHz 1kHz 10kHz 100kHz
Ripple Rejection RR(dB)
90 80 70 60 50 40 30 20 10 0 2.9 3.0 3.1 f=0.1kHz 1kHz 10kHz 100kHz 3.2 3.3
Input Voltage VIN(V)
Input Voltage VIN(V)
2.8V (VR3) IOUT=1mA
100 100
2.8V (VR3) IOUT=30mA
Ripple Rejection RR(dB)
90 80 70 60 50 40 30 20 10 0 2.9 3.0 3.1 f=0.1kHz 1kHz 10kHz 100kHz 3.2 3.3
Ripple Rejection RR(dB)
90 80 70 60 50 40 30 20 10 0 2.9 3.0 3.1 f=0.1kHz 1kHz 10kHz 100kHz 3.2 3.3
Input Voltage VIN(V)
Input Voltage VIN(V)
24
R5324D
2.8V (VR3) IOUT=50mA
100
Ripple Rejection RR(dB)
90 80 70 60 50 40 30 20 10 0 2.9
f=0.1kHz 1kHz 10kHz 100kHz
3.0
3.1
3.2
3.3
Input Voltage VIN(V)
10) Line Transient Response (CIN=none, IOUT=30mA, tr=tf=5s, COUT=Ceramic 1.0F) 2.8V(VR1)
2.85 6
Output Voltage VOUT(V)
Input Voltage 4 3 2 Output Voltage 1 0 100
2.83 2.82 2.81 2.80 2.79 0 10 20 30 40 50 60 70 80 90
Time T(s)
2.8V(VR2)
2.85 6
Output Voltage VOUT(V)
Input Voltage 4 3 2 Output Voltage 1 0 100
2.83 2.82 2.81 2.80 2.79 0 10 20 30 40 50 60 70 80 90
Time T(s)
Input Voltage VIN(V)
2.84
5
Input Voltage VIN(V)
2.84
5
25
R5324D
2.8V(VR3)
2.85 6
Output Voltage VOUT(V)
Input Voltage 4 3 2 Output Voltage 1 0 100
2.83 2.82 2.81 2.80 2.79 0 10 20 30 40 50 60 70 80 90
Time T(s)
11) Load Transient Response (CIN=Ceramic 1.0F, COUT=Ceramic 1.0F) R5324D001x
Output Current IOUT1(mA)
2.95 2.90 IOUT1 2.85 2.80 VOUT1 2.75 2.85 IOUT2=30mA 2.80 VOUT2 2.75 2.85 IOUT3=30mA 2.80 VOUT3 2.75 0 5 10 15 20 2.75 0 5 10 15 20 2.80 VOUT3 50 0 150 100 2.95 2.90 IOUT2 2.85 IOUT1=30mA 2.80 VOUT1 2.75 2.85 2.80 VOUT2 2.75 2.85 IOUT3=30mA 50 0
R5324D001x
150 100
Input Voltage VIN(V)
2.84
5
Output Voltage VOUT(V)
Time T(s)
Output Voltage VOUT(V)
Time T(s)
26
Output Current IOUT2(mA)
R5324D
R5324D001x
2.95 2.90 IOUT3 2.85 VOUT1 2.80 IOUT1=30mA 2.75 2.85 2.80 2.75 2.85 2.80 2.75 0 5 10 15 20 VOUT3 VOUT2 IOUT2=30mA 50 0 150 100
Output Voltage VOUT(V)
Time T(s)
TECHNICAL NOTES
To use this IC, ESR of the output capacitors should be set in the range of the following graphs. Noise level is measured with a spectrum analyzer and hatched area shows stable areas of which noise level is approximately equal or less than 40V (Avg.). The relation between Load Current (IOUT) and Equivalent Series Resistors (ESR) value of external output capacitor with the stable area is shown below; 1.5V(VR1)
100 100
Output Current IOUT3(mA)
1.5V(VR2)
10
10
ESR ()
1
ESR ()
0 50 100 150 200
1
0.1
0.1
0.01
0.01 0 50 100 150
Output Current IOUT(mA)
Output Current IOUT(mA)
27
R5324D
1.5V(VR3)
100 100
2.8V(VR1)
10
10
ESR ()
1
ESR ()
0 20 40 60 80 100
1
0.1
0.1
0.01
0.01 0 50 100 150 200
Output Current IOUT(mA)
Output Current IOUT(mA)
2.8V(VR2)
100 100
2.8V(VR3)
10
10
ESR ()
1
ESR ()
0 50 100 150
1
0.1
0.1
0.01
0.01 0 20 40 60 80 100
Output Current IOUT(mA)
Output Current IOUT(mA)
Measuring Conditions Frequency Band : 10Hz to 2MHz Temperature : -40C to 85C
28

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