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SEMICONDUCTOR
TECHNICAL DATA
150mA POWER LOW DROPOUT REGULATOR
The KR15SXXXM is an efficient linear voltage regulator with very low dropout voltage(Typically 10mV at light loads and 165mV at 175mA) The KR15SXXXM can be enabled, or shut down by a CMOS or TTL
KR15S018M~KR15S033M
BIPOLAR LINEAR INTEGRATED CIRCUIT
E B
1
5
DIM MILLIMETERS _ A 2.9 + 0.2
B C 1.6+0.2/-0.1 _ 0.70 + 0.05 _ 0.4 + 0.1 2.8+0.2/-0.3 _ 1.9 + 0.2 0.95 _ 0.16 + 0.05 0.00-0.10 0.25+0.25/-0.15 0.60 0.55
G
compatible signal. When disabled. power consumption drops nearly to zero.
A
Dropout ground current is minimized to help prolong battery life. Other key features include reversed battery protechion, current limiting, over temperature shutdown, and low noise performance with an ultra-low-noise option
2
D 4 E F G H I J K L
F G
3
C
L
H J
1 5
FEATURES High Output Voltage Accuracy : 1% Low Quiescent Current. : IQ(OFF) =3 Very Low Ground Current : 350 (IOUT = 50mA) Low Dropout Voltage : 175mV(IOUT=150mA) Built-in ON/OFF control Terminal Built -in Over Current , Over Heat Protection Function Reverse-Battery Protection
J
1. INPUT 2. GND 3. ON/OFF CONTROL 4. NOISE BYPASS 5. OUTPUT
D
I
2
3
4
TSV
APPLICATIONS Laptop, notebook, and palmtop computers Cellular telephones and battery-powered equipment Consumer and personal electronics PC Card VCC and VPP regulation and switching SMPS post-regulator/dc-to-dc modules High-effciency linear power supplies
LINE-UP
TSV VOUT (V) ITEM 1.8 2.5 2.6 2.7 2.8 2.85 2.9 3.0 3.1 3.3 KR15S018M KR15S025M KR15S026M KR15S027M KR15S028M KR15S285M KR15S029M KR15S030M KR15S031M KR15S033M MARKING A18 A25 A26 A27 A28 A2J A29 A30 A31 A33
2007. 3. 19
Revision No : 1
1/6
KR15S018M~KR15S033M
MARKING
5 4
PIN DESCRIPTIONS
Lot No. Type Name
PIN NO. 1 2 NAME VIN GND ON/OFF Control Supply Input Ground Enable/Shutdown (Input):CMOS conpatible input. Logic high = Enable, Logic low or open = Shutdown Reference Bypass : Connect external 470pF capacitor to GND to reduce output noise. May be left open Regulator Output FUNCTION
3
1 2 3
< TSV > 4 Bypass
5
VOUT
Fig. 1 BLOCK DIAGRAM
Fig. 2 TEST CIRCUIT / APPLICATION CIRCUIT
VIN
1
5
VOUT COUT
VIN = 3.8V
1
5
VOUT = 2.8V COUT = 2.2 F (tantalum)
BYPASS CBYPASS
4 +
Bandgap Ref.
2 KR15S028M
ON/OFF CONTROL
3
4
ON/OFF 3 CONTROL
Current Limit Thermal Shutdown
CBYPASS = 470pF
2
GND
2007. 3. 19
Revision No : 1
2/6
KR15S018M~KR15S033M
MAXIMUM RATINGS (Ta=25
CHARACTERISTIC Supply Input Voltage ON/OFF Control Voltage Output Current Power Dissipation Junction Temperature Operating Junction Temperature Storage Temperature Note) Package mounted on a ceramic board. (600m2 (Note)
)
SYMBOL VIN VC IOUT PD Tj Topr Tstg 0.8m) RATING 16 5 150 900 150 -40~125 -55~150 UNIT V V mA mW
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, VIN=VOUT+1V, IOUT=100
CHARACTERISTIC KR15S018M KR15S025M KR15S026M KR15S027M KR15S028M Output Voltage KR15S285M KR15S029M KR15S030M KR15S031M KR15S033M Load Regulation Line Regulation Reg Load Reg Line VD-1 Dropout Voltage VD-2 VD-3 Temperature Coefficient of output voltage Ripple Rejection Output Noise Voltage Output ON-state voltage for control Output ON-state current for control Output OFF-state voltage for control Output OFF-state current for control TCVo RR VNO1 VC(ON) IC(ON) VC(OFF) IC(OFF-1) IC(OFF-2) IQ1 Quiescent Current IQ2 IQ3 IQ(OFF-1) Quiescent Current (OFF Mode) IQ(OFF-2) VOUT SYMBOL
, COUT=4.7
, Tj=25 )
MIN. 1.782 2.475 2.574 2.673 TYP. 1.8 2.5 2.6 2.7 2.8 2.85 2.9 3.0 3.1 3.3 0.05 0.009 10 115 175 40 75 30 5 0.01 0.01 80 350 1.8 0.05 0.10 MAX. 1.818 2.525 2.626 2.727 2.828 V 2.8215 2.871 2.97 3.069 3.267 2.8785 2.929 3.03 3.131 3.333 0.5 0.05 60 175 300 80 20 0.4 -1 -2 130 650 2.5 3 8 V rms V ppm/ % %/V UNIT
TEST CONDITION
VIN=VOUT+1V
2.772
Io=100~150mA VIN=VOUT+1V~12V IOUT=100 IOUT=50mA IOUT=150mA Tj=-40 f=120Hz IOUT=50 , COUT=2.2 CBYPASS=470pF VC=2.0V VC=0.4V VC=0.18V VC=3V, IOUT=100 VC=3V, IOUT=50 VC=3V, IOUT=150 VC=0.4V VC=0.18V 125
2.0 2 -
2007. 3. 19
Revision No : 1
3/6
KR15S018M~KR15S033M
fIN - R.R (1)
RIPPLE REJECTION R.R (dB)
VIN= 3.6V VOUT= 2.6V
fIN - R.R (2)
RIPPLE REJECTION R.R (dB)
0
VIN= 3.6V VOUT= 2.6V
0 -20 -40 -60 -80
IOUT= 100mA COUT= 1F
-20 -40 -60 -80 -100 10
IOUT = 100A COUT = 2.2F CBYP = 0.01F
-100 10
100
1k
10k
100k
1M
10M
100
1k
10k
100k
1M
10M
INPUT FREQUENCY fIN (Hz)
INPUT FREQUENCY fIN (Hz)
fIN - R.R (3)
RIPPLE REJECTION R.R (dB)
VIN= 3.6V VOUT= 2.6V
fIN - R.R (4)
RIPPLE REJECTION R.R (dB)
0 -20 -40 -60 -80 -100 10
IOUT = 1mA COUT = 2.2F CBYP = 0.01F VIN= 3.6V VOUT= 2.6V
0 -20 -40 -60 -80
IOUT= 1mA COUT= 1F
-100 10
100
1k
10k
100k
1M
10M
100
1k
10k
100k
1M
10M
INPUT FREQUENCY fIN (Hz)
INPUT FREQUENCY fIN (Hz)
fIN - R.R (5)
0 0
VIN= 3.6V
fIN - R.R (6)
VIN= 3.6V
RIPPLE REJECTION R.R (dB)
RIPPLE REJECTION R.R (dB)
-20 -40 -60 -80
VOUT= 2.6V
-20 -40 -60 -80 -100 10
VOUT= 2.6V
IOUT= 10mA COUT= 1F
IOUT = 10mA COUT = 2.2F CBYP = 0.01F
-100 10
100
1k
10k
100k
1M
10M
100
1k
10k
100k
1M
10M
INPUT FREQUENCY fIN (Hz)
INPUT FREQUENCY fIN (Hz)
2007. 3. 19
Revision No : 1
4/6
KR15S018M~KR15S033M
fIN - R.R (7)
RIPPLE REJECTION R.R (dB) RIPPLE REJECTION R.R (dB)
0
VIN= 3.6V VOUT= 2.6V
fIN - R.R (8)
0
VIN= 6V VOUT= 5V
-20 -40 -60 -80
IOUT= 100mA COUT= 1F
-20 -40 -60 -80 -100 10
IOUT = 100mA COUT = 2.2F CBYP = 0.01F
-100 10
100
1k
10k
100k
1M
10M
100
1k
10k
100k
1M
10M
INPUT FREQUENCY fIN (Hz)
INPUT FREQUENCY fIN (Hz)
VD - R.R (1)
RIPPLE REJECTION R.R (dB) RIPPLE REJECTION R.R (dB)
60 50
1mA
VD - R.R (2)
100 90 80 70 60 50 40 30 20 10 0 0 0.1 0.2
COUT = 2.2F CBYP = 0.01F 10mA IOUT = 100mA 1mA
40
10mA
30 20 10 0
IOUT = 100mA
COUT = 1F
0
0.1
0.2
0.3
0.4
0.3
0.4
DROPOUT VOLTAGE VD (V)
DROPOUT VOLTAGE VD (V)
CBYPASS - TIME
DROPOUT VOLTAGE VD (mV)
104
IOUT - VD
320
COUT = 2.2F
280
CBYP = 0.01F 125 C
TURN ON TIME (s)
240 200 160
-40 C 25 C
103
102
120 80 40 0 0 40 80 120 160
101
101
102
103
104
CAPACITANCE CBYPASS (pF)
OUTPUT CURRNET IOUT (mA)
2007. 3. 19
Revision No : 1
5/6
KR15S018M~KR15S033M
f - NOISE (1)
10
10mA, COUT = 1F
f - NOISE (2)
10 1
100mA
NOISE (mV/ Hz )
10-1 10-2 10-3 10-4 10
1mA COUT = 1F CBYP = 10nF
NOISE (mV/ Hz )
1
10-1 10-2
1mA
10mA
10-3 VOUT = 5V
COUT = 10F
VOUT= 5V
100
1k
10k
100k
1M
10M
10-4 10
Electrolytic
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FREQUENCY (Hz)
f - NOISE (3)
10 10
f - NOISE (4)
NOISE (mV/ Hz )
1 10-1 10-2 10
-3
NOISE (mV/ Hz )
1 10-1 10-2 10
-3
10mA 100mA
100mA 10mA VOUT = 5V COUT = 22F Tantalum CBYP = 10nF 1mA
10-4 10
100
1k
10k
100k
1M
10M
10-4 10
VOUT = 5V COUT = 10F Electrolytic CBYP = 100pF
1mA
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FREQUENCY (Hz)
f - NOISE (5)
10 1 10-1 10-2
VOUT = 5V 1mA
f - NOISE (6)
10 1
10mA
NOISE (mV/ Hz )
10mA 100mA
NOISE (mV/ Hz )
10-1 10-2
VOUT = 5V
100mA
10-3 COUT = 10F 10-4 10
Electrolytic CBYP = 1nF
10-3 COUT = 10F 10-4 10
Electrolytic CBYP = 10nF
1mA
100
1k
10k
100k
1M
10M
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FREQUENCY (Hz)
2007. 3. 19
Revision No : 1
6/6

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