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ETR0325-004
GENERAL DESCRIPTION
The XB1086 is a series of low dropout positive voltage regulators with a high output current capability of 1.5A. Stable output can be maintained by using 10 F (CIN) and 22 F (CL) of tantalum capacitors. The XB1086P series is available in the fixed voltage types of 1.5V, 1.8V, 2.5V, 3.3V, and 5.0V. The XB1086K is also available as a voltage adjustable type which can set the output voltage with only two external resistors. With an over current and thermal protection circuit built-in, the IC is disabled for protection when an output current reaches limit current or junction temperature increases up to limit temperature. The XB1086 series is available in TO-252 package.
APPLICATIONS
High efficiency linear regulators Battery chargers DVD drives Set top boxes Various battery drive equipment
FEATURES
: More than 1.5A (within Pd) : 15V : 1.5V, 1.8V, 2.5V, 3.3V, 5.0V (XB1086P), Externally Set (XB1086K / Reference Voltage 1.25V (TYP.)) : 1% ( Tj =25 ) Output Voltage Accuracy : 1.3V @ IOUT=1.5A (TYP.) Dropout Voltage : 0.015% (TYP.) Line Regulation : 0.1% (TYP.) Load Regulation Reference Voltage Pin Current : Less than 120 A Overcurrent Protection Circuit Built-In Thermal Protection Circuit Built-In : TO-252 Package Maximum Output Current Maximum Operating Voltage Output Voltage
TYPICAL APPLICATION CIRCUITS
XB1086P Series VIN VIN
CIN=10 F CIN=10uF
TYPICAL PERFORMANCE CHARACTERISTICS
Output Voltage vs. Output Current
VOUT VSS
IOUT
CL=22 F CL=22uF (Tantalum)
XB1086P331
CIN=10 VIN=4.9V VIN=4.9V F (Tantalum), CL=22 F (Tantalum) CIN=10uF(TantalCL=22uF(Tantal
(Tantalum)
Output Voltage: VOUT(V)
3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0
XB1086K Series VIN VIN CIN=10uF CIN=10 F (Tantalum) R2 VOUT=VREFx(1+R2/R1) + IADJxR2 ADJ VOUT R1 IOUT
CL=22 F CL=22uF
(Tantalum)
Ta=85 Ta=25 Ta=0
300 600 900 1200 Output Current: IOUT (mA)
1500
1/11
XB1086 Series
PIN CONFIGURATION
VOUT VOUT (Tab) (Tab) 2 4
2 2 VOUT VOUT
1 VSS/ VSS / ADJ
3 3 VIN VIN
TO-252 (TOP VIEW)
PIN ASSIGNMENT
PIN NUMBER TO-252 1 2 3 PIN NAME VSS / ADJ VOUT VIN FUNCITONS Ground / Reference Voltage Output Input
PRODUCT CLASSIFICATION
Ordering Information XB1086
DESIGNATOR DESCRIPTION Type of Regulators SYNBOL P K 151 181 Output Voltage and Output Voltage Accuracy 251 331 501 12B Package Device Orientation J R L DESCRIPTION : Fixed VOUT : Adjustable (Externally Set) : VOUT=1.5V ( 1%) : VOUT=1.8V ( 1%) : VOUT=2.5V ( 1%) : VOUT=3.3V ( 1%) : VOUT=5.1V ( 1%) : VREF=1.25V ( 1%) : TO-252 : Embossed tape, standard feed : Embossed tape, reverse feed
2/11
XB1086
Series
BLOCK DIAGRAM
VIN
VOUT
Current Limit
Thermal Protection
Error Amp
Bandgap Reference
VSS/ ADJ
*Diodes inside the circuit are ESD protection diodes.
ABSOLUTE MAXIMUM RATINGS
PARAMETER Input Voltage Power Dissipation Operating Junction Temperature Storage Temperature Range
Note: *1: Stresses greater than those listed under the above ratings may cause permanent damage to the device. *2: The rating of the power dissipation is determined when mounted on the PCB.
SYMBOL VIN Pd Tj Tstg
RATINGS 18 1300
(*2)
UNIT V mW
125 - 55 ~ 125
3/11
XB1086 Series
ELECTRICAL CHARACTERISTICS
XB1086PxxxJ PARAMETER SYMBOL VOUT (1.5V) VOUT (1.8V) Output Voltage VOUT (2.5V) VOUT (3.3V) VOUT (5.0V) VOUT1 (1.5V) VOUT1 (1.8V) Line Regulation VOUT1 (2.5V) VOUT1 (3.3V) VOUT1 (5.0V) VOUT2 (1.5V) VOUT2 (1.8V) Load Regulation VOUT2 (2.5V) VOUT2 (3.3V) VOUT2 (5.0V) Vdif ILIM IDD Ts O.T. (*1) CONDITIONS VIN=3.5V, IOUT=10mA VIN=3.8V, IOUT=10mA VIN=4.5V, IOUT=10mA VIN=5.0V, IOUT=10mA VIN=7.0V, IOUT=10mA 1.5V VIN-VOUT 10V IOUT=10mA 1.5V VIN-VOUT 10V IOUT=10mA 1.5V VIN-VOUT 10V IOUT=10mA 1.5V VIN-VOUT 10V IOUT=10mA 1.5V VIN-VOUT 10V IOUT=10mA VIN-VOUT=2.0V 10mA IOUT 1.5A VIN-VOUT=2.0V 10mA IOUT 1.5A VIN-VOUT=2.0V 10mA IOUT 1.5A VIN-VOUT=2.0V 10mA IOUT 1.5A VIN-VOUT=2.0V 10mA IOUT 1.5A VOUT=1%, IOUT=1.5A VIN-VOUT=2.0V VIN=VOUT+1.3V VIN-VOUT=1.5V IOUT=10mA O.T. (*1) O.T. (*1) O.T. (*1) O.T. (*1) O.T. (*1) O.T. (*1) O.T. (*1) O.T. (*1) O.T. (*1) O.T. (*1) O.T. (*1) O.T. (*1) O.T. (*1) O.T. (*1) O.T. (*1) O.T. (*1) O.T. (*1) 1.5 MIN. 1.485 1.47 1.782 1.746 2.475 2.45 3.267 3.235 4.95 4.9 Tj= 25 TYP. 1.5 1.8 2.500 3.300 5 0.3 0.6 0.3 0.6 0.3 0.6 0.5 1 0.5 1 3 6 3 6 3 6 3 7 5 10 1.3 2.3 5 0.5 unless otherwise specified MAX. 1.515 1.53 1.818 1.854 2.525 2.55 3.333 3.366 5.05 5.1 6 6 6 6 6 6 10 10 10 10 12 20 12 20 12 20 15 20 20 35 1.5 10 UNIT CIRCUIT V V V V V mV mV mV mV mV mV mV mV mV mV V A mA % -
Dropout Voltage Current Limit Supply Current Temperature Stability IOUT=10mA
Note:
*1: O.T. denotes the specifications which apply over the range of operating junction temperature (0
Tj
125OC). If the power consumption
Please be sure that the power consumption does not exceed the power dissipation rating, 1300mW. shutdown state.
exceeds the power dissipation rating and the operating junction temperature rises more than the rating, 125OC, the IC enters thermal
4/11
XB1086
Series
ELECTRICAL CHARACTERISTICS (Continued)
XB1086K12BJ PARAMETER Reference Voltage Line Regulation Load Regulation Dropout Voltage Current Limit Temperature Stability Minimum Output Current Adjust Voltage Pin Current
Note: *1: O.T. denotes the specifications which apply over the range of operating junction temperature (0 Tj 125OC). If the power consumption Please be sure that the power consumption does not exceed the power dissipation rating, 1300mW. shutdown state.
Tj= 25 SYMBOL VREF VOUT1 VOUT2 Vdif ILIM TS IOUTmin IADJ CONDITIONS VIN-VOUT=2.0V IOUT=10mA 1.5V VIN-VOUT 10V IOUT=10mA VIN-VOUT=2.0V 10mA IOUT 1.5A VOUT=1%, IOUT=1.5A VIN-VOUT=2.0V VIN-VOUT=1.5V IOUT=10mA 1.4V VIN-VOUT 10V O.T. (*1) O.T. (*1) O.T. (*1) 1.5 O.T. (*1) O.T. (*1) O.T. (*1) MIN. 1.238 1.225 TYP. 1.250 0.015 0.035 0.1 0.2 1.3 2.3 0.5 2 60
unless otherwise specified MAX. 1.262 1.270 0.2 0.2 0.3 0.4 1.5 5 120 UNIT V % % V A % mA A CIRCUIT
VIN=VOUT+1.5V IOUT=10mA
exceeds the power dissipation rating and the operating junction temperature rises more than the rating, 125OC, the IC enters thermal
5/11
XB1086 Series
TEST CIRCUITS
XB1086PxxxJ
Circuit
VIN
VOUT
A
VIN
CIN
V
VSS
V
CL
* CIN=10 F (Tantalum), CL=22 F (Tantalum) Circuit
A
VIN
VOUT
VIN
VSS
XB1086K12BJ
Circuit
VIN
VOUT
V
VIN
100
CIN
ADJ
A
164
CL
V
* VOUT: 3.3V
* CIN=10 F (Tantalum), CL=22 F (Tantalum)
6/11
XB1086
Series
TYPICAL PERFORMANCE CHARACTERISTICS
(1) Output Voltage vs. Output Current
XB1086P331
CIN=10 VIN=4.9V VIN=4.9V F (Tantalum), CL=22 F (Tantalum) CIN=10uF(TantalCL=22uF(Tantal
(2) Output Voltage vs. Input Voltage
XB1086P331
IOUT=10mA IOUT=10mA CIN=10
CIN=10uF(TantalCL=22uF(Tantal F (Tantalum), CL=22 F (Tantalum)
Output Voltage: VOUT(V)
3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 300 600 900 1200 Output Current: IOUT (mA) 1500 Ta=85 Ta=25 Ta=0
Output Voltage: VOUT(V)
3.5
3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 2
Ta=85 Ta=25 Ta=0
4 6 Supply Voltage: VIN(V) Input Voltage: VIN (V)
8
10
(3) Dropout Voltage vs. Output Current
XB1086P331
CIN=10 F (Tantalum), CL=22 F (Tantalum) CIN=10uF(TantalCL=22uF(Tantal
(4) Supply Current vs. Input Voltage
XB1086P331
CIN=10 FCIN=10uF(TantalCL=22uFTantal (Tantalum), CL=22 F (Tantalum)
Dropout Voltage: VdifV)
1.2 1.0 0.8 0.6 0.4 0.2 0.0 0 300 600 900 1200 Output Current: IOUT (mA) 1500 Ta=0 Ta=25 Ta=85
Supply Current: ISS (mA)
1.4
6 5 4 3 2 1 0 0 2 4 6 Supply Voltage: VIN(V) Input Voltage: VIN (V) 8 10 Ta=0 Ta=25 Ta=85
(5) Reference Voltage vs. Ambient Temperature
XB1086K12B VOUT=3.3V)
CIN=10 VIN=4.9V VIN=4.9V CIN=10uF(TantalCL=22uF(Tantal F (Tantalum), CL=22 F (Tantalum)
(6) Adjust Pin Current vs. Ambient Temperature
XB1086K12B (VOUT=3.3V)
CIN=10 IOUT=10mA IOUT=10mA F (Tantalum), CL=22 F (Tantalum) CIN=10uF(TantalCL=22uF(Tantal
Reference Voltage: VREF V)
1.26 1.25 1.24 1.23 1.22 0 10 20 30 40 50 60 70 Ambient Temperature: Ta () 80 90
Adjust Pin Current: IADJ (A
1.27
100 80 60 40 20 0 0 10
VIN=4.8V
20 30 40 50 60 70 Ambient Temperature: Ta ()
80
90
7/11
XB1086 Series
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(7) Load Transient Response
XB1086P331
VIN=4.8V VIN=4.8V CIN=CL=10F(Tantal) CIN=CL=10 F (Tantalum)
XB1086K12B (VOUT=3.3V)
VIN=4.8V VIN=4.8V CIN=CL=10 F (Tantalum) CIN=CL=10F(Tantal)
Output Current: IOUT(A)
Output Current:IOUT(A)
2.0 1.6 1.2 0.8 0.4 0.0 Time10s/DIV IOUT 0.75A 0.1A VOUT
3.6
Output Voltage: VOUT(V)
2.0 1.6 1.2 0.8 0.4 0.0 Time10s/DIV IOUT 0.75A 0.1A VOUT
3.6 3.4 3.2 3.0 2.8 2.6
OutputVoltage:VOUT(V)
Output Voltage: VOUT Output Voltage: VOUT(V)(V)
3.4 3.2 3 2.8 2.6
(8) Input Transient Response
XB1086P331
IOUT=100mA IOUT=100mA CIN=1 CIN=1F(Tantal),CL=10F(Tantal) F (Tantalum), CL=10 F (Tantalum)
XB1086K12B (VOUT=3.3V)
IOUT=100mA IOUT=100mA CIN=1 CIN=1F(Tantal),CL=10F(Tantal) F (Tantalum), CL=10 F (Tantalum)
10
Supply Voltage: VIN(V)
3.32
Output Voltage: VOUT (V) Output Voltage: VOUT(V)
9 8 7 6 5 4
3.30 3.28 3.26
Supply Voltage: VIN(V)
VOUT
10 9 8 7 6 5 4
VOUT
3.35 3.33 3.31
VIN
5.8V 4.8V
3.24 3.22 3.20
VIN
5.8V 4.8V
3.29 3.27 3.25 3.23
Time20s/DIV
Time20s/DIV
(9) Ripple Rejection Rate
XB1086P331 ripple rejection rateB) Ripple Rejection Rate: PSRR (dB)
Ripple Rejection Rate: PSRR (dB) ripple rejection rateB)
VIN=6.3VDC+1.0Vp-pAC VIN=6.3VDC+1.0Vp-pAC IOUT=1A, Ta-25 , CL=25 F (Tantalum) IOUT=1ATa=25,CL=25F(Tantal)
XB1086K12B (VOUT=3.3V)
VIN=6.3VDC+1.0Vp-pAC VIN=6.3VDC+1.0Vp-pAC IOUT=1A, Ta-25 , CL=25 F (Tantalum) IOUT=1ATa=25CL=25F(Tantal)
100 80 60 40 20 0 0.01
100 80 60 40 20 0 0.01
0.1 1 10 0.1 1 10 ripple rejection ratekHz)
Ripple Frequency: f (kHz)
100
0.1 10 0.1 11 10 ripple rejection ratekHz)
Ripple Frequency: f (kHz)
100
8/11
XB1086
Series
PACKAGING INFORMATION
TO-252
5.30.2
1.10.25
6.550.2
0.50.1
6.10.15 0.750.15
0.850.25
9.90.55
0.750.15
0.750.15
0. 50. 1
2. 28
2. 28
2.3 -0.15
MIN4.32
UNIT m m
+0.1
9/11
XB1086 Series
MARKING RULE
TO-252
TO252
Represents product series MARK PRODUCT SERIES XB1086****J*

5
8
Represent the type of regulator MARK PRODUCT SERIES XB1086P***J* XB1086K***J* P K
3
2
1
TO-252 (TOP VIEW)
Represents output voltage MARK 1 1 2 3 5 1 5 8 5 3 0 2 OUTPUT VOTLAGE PRODUCT SERIES 1.5V 1.8V 2.5V 3.3V 5.0V ADJ XB1086P151J* XB1086P181J* XB1086P251J* XB1086P331J* XB1086P501J* XB1086K12BJ*
Represents output voltage accuracy and output type OUTPUT VOLTAGE ACCURACY MARK (OUTPUT TYPE) 1 B 1% ADJ
PRODUCT SERIES XB1086P**1J* XB1086K12BJ*
Represents the last digit of production year ex.) MARK 7 8
PRODUCTION YEAR 2007 2008
Represents production lot number 0 to 9, A to Z repeated. (G, I, J, O, Q, W excepted. `0' of the first digit does not mark.) *No character inversion used. ex.) MARK PRODUCTION LOT NUMBER Blank 1 3 A 03 1A
10/11
XB1086
Series
1. The products and product specifications contained herein are subject to change without notice to improve performance characteristics. Consult us, or our representatives before use, to confirm that the information in this catalog is up to date. 2. We assume no responsibility for any infringement of patents, patent rights, or other rights arising from the use of any information and circuitry in this catalog. 3. Please ensure suitable shipping controls (including fail-safe designs and aging protection) are in force for equipment employing products listed in this catalog. 4. The products in this catalog are not developed, designed, or approved for use with such equipment whose failure of malfunction can be reasonably expected to directly endanger the life of, or cause significant injury to, the user. (e.g. Atomic energy; aerospace; transport; combustion and associated safety
TO-252 equipment (TOP VIEW)
thereof.)
5. Please use the products listed in this catalog within the specified ranges. Should you wish to use the products under conditions exceeding the specifications, please consult us or our representatives. 6. We assume no responsibility for damage or loss due to abnormal use. 7. All rights reserved. No part of this catalog may be copied or reproduced without the prior permission of Torex Semiconductor Ltd.
11/11

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