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TPS3510 数据表(PDF) 1 Page - Texas Instruments |
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TPS3510 数据表(HTML) 1 Page - Texas Instruments |
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1 / 13 page  TPS3510,TPS3511 PC POWER SUPPLY SUPERVISORS SLVS312A – JULY 2000 – REVISED DECEMBER 2002 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Overvoltage Protection and Lockout for 12 V, 5 V, 3.3 V D Undervoltage Protection and Lockout 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 Power Good Delay; 300-ms TPS3510, 150-ms TPS3511 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 73-µs Width Noise Deglitches D Wide Supply Voltage Range From 4 V to 15 V description The TPS3510/1 is designed to minimize external components of personal-computer switching power supply systems. It provides protection circuits, power good indicator, fault protection output (FPO) and PSON control. Overvoltage protection (OVP) monitors 3.3 V, 5 V, and 12 V (12-V signal detects via VDD pin). Undervoltage protection (UVP) monitors 3.3 V and 5 V. When an OV or UV condition is detected, the power good output (PGO) is set to low and FPO is latched high. PSON from low to high resets the protection latch. UVP function is enabled 75 ms after PSON is set low and debounced. Furthermore, there is a 2.3-ms delay (and an additional 38-ms debounce) at turnoff. There is no delay during turnon. Power good feature monitors PGI, 3.3 V and 5 V and issues a power good signal when the output is ready. The TPS3510/1 is characterized for operation from –40 °C to 85°C. typical application 1 2 3 4 8 7 6 5 PGI GND FPO PSON PGO VDD VS5 VS33 PSON (From Motherboard) 5 VSB PGO 0.5 V Drop PGI 12 V VSB 5 V 3.3 V Copyright 2002, Texas Instruments Incorporated 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. 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. 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. 1 2 3 4 8 7 6 5 PGI GND FPO PSON PGO VDD VS5 VS33 D OR P PACKAGE (TOP VIEW) |
类似零件编号 - TPS3510 |
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类似说明 - TPS3510 |
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