TPS3513_15 Datasheet, PDF (1/20 Pages) Texas Instruments – PC POWER SUPPLY SUPERVISORS

TPS3513
www.ti.com
SLVS313B – FEBRUARY 2001 – REVISED SEPTEMBER 2010
PC POWER SUPPLY SUPERVISOR
Check for Samples: TPS3513
FEATURES
1
• Overvoltage Protection and Lockout for 12 V,
5 V, and 3.3 V
• Overcurrent Protection and Lockout for 12 V,
5 V, and 3.3 V
• Undervoltage Protection and Lockout for 12 V,
and Undervoltage Detect for 5 V and 3.3 V
• Fault-Protection Output With Open Drain
Output Stage
• Open-Drain, Power Good Output Signal for
Power-Good Input, 3.3 V and 5 V
• 300-ms Power-Good Delay
• 75-ms Delay for 5-V and 3.3-V Power Supply
Short-Circuit Turnon Protection
• 2.3 ms PSON Control to FPO Turnoff Delay
• 38 ms PSON Control Debounce
• Wide Supply Voltage Range From 4.5 V
to 15 V
D OR N PACKAGE
(TOP VIEW)
PGI ₁
GND 2
FPO 3
PSON 4
IS12 5
RI 6
NC 7
14 ^PGO
13 VDD
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
System Side
Max
Output Current
Over Current
Protection Trip Point^†
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.}
0.01 Ω
R1 Ω
R2 Ω
560 Ω
56 kΩ
470 kΩ _TPS3513
PGI
PGO
GND
V_DD
FPO
VS5
PSON VS33
IS12
VS12
RI
IS33
NC
IS5
1 kΩ
I_O
0.01 Ω
0.01 Ω
820 Ω
1.5 kΩ
12 V
5V
3.3 V
5 V VSB
Power Supply
Output Side
1
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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 the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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