TPS3513 Datasheet, PDF (1/15 Pages) Texas Instruments – PC POWER SUPPLY SUPERVISORS

D Overvoltage Protection and Lockout for
12 V, 5 V, and 3.3 V
D Overcurrent Protection and Lockout for
12 V, 5 V, and 3.3 V
D Undervoltage Protection and Lockout
for 12 V, and Undervoltage Detect for
5 V and 3.3 V
D Fault-Protection Output With Open Drain
Output Stage
D Open-Drain, Power Good Output Signal for
Power-Good Input, 3.3 V and 5 V
D 300-ms Power-Good Delay
D 75-ms Delay for 5-V and 3.3-V Power
Supply Short-Circuit Turnon Protection
D 2.3 ms PSON Control to FPO Turnoff Delay
D 38 ms PSON Control Debounce
D Wide Supply Voltage Range From
4.5 V to 15 V
TPS3513
PC POWER SUPPLY SUPERVISORS
SLVS313 – FEBRUARY 2001
D OR N PACKAGE
(TOP VIEW)
PGI ₁
GND ₂
FPO ₃
PSON 4
IS12 5
RI 6
NC 7
14 ^PGO
13 ^V_DD
12 ^VS5
11 VS33
10 VS12
9 IS33
8 IS5
NC – No internal connection
description
The TPS3513 is designed to optimize PC switching power supply system with minimum external components.
It provides undervoltage lockout (UVLO), protection circuits, power good indicator, and on/off control.
typical application
12 V
5V
3.3 V
5 V VSB
PG
From Transformer
0.01 Ω
R1 Ω
R2 Ω
470 kΩ _TPS3513
PGI
PGO
1 kΩ
IO
0.01 Ω
0.01 Ω
12 V
5V
3.3 V
5 V VSB
System Side
Max
Output Current
Over Current
Protection Trip Point†
560 Ω
56 kΩ
GND
FPO
PSON
IS12
RI
NC
VDD
VS5
VS33
VS12
IS33
IS5
820 Ω
1.5 kΩ
Power Supply
Output Side
12 V
6A
9.2 A
5V
16 A
24.6 A
3.3 v
9A
13.5 A
† _{Over current protection trip point can be programmable.}
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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Copyright © 2001, Texas Instruments Incorporated
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