參數(shù)資料
型號(hào)： TPS54610QPWPRG4Q1
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 12 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28
封裝： GREEN, PLASTIC, HTSSOP-28
文件頁(yè)數(shù)： 9/22頁(yè)
文件大?。?/td> 527K
代理商： TPS54610QPWPRG4Q1
www.ti.com
THERMAL SHUTDOWN
POWER GOOD (PWRGD)
SLVS726 – JANUARY 2007
The device uses the thermal shutdown to turn off the
The power-good circuit monitors for under-voltage
power MOSFETs and disable the controller if the
conditions on VSENSE. If the voltage on VSENSE is
junction temperature exceeds 150°C. The device is
10% below the reference voltage, the open-drain
released from shutdown automatically when the
PWRGD output is pulled low. PWRGD is also pulled
junction temperature decreases to 10°C below the
low if VIN is less than the UVLO threshold or
thermal shutdown trip point, and starts up under
SS/ENA is low, or a thermal shutdown occurs. When
control of the slow-start circuit.
VIN
≥ UVLO threshold, SS/ENA ≥ enable threshold,
and VSENSE > 90% of Vref, the open-drain output of
Thermal shutdown provides protection when an
the PWRGD pin is high. A hysteresis voltage equal
overload
condition
is
sustained
for
several
to 3% of Vref and a 35 s falling edge deglitch circuit
milliseconds. With a persistent fault condition, the
prevent-tripping of the power-good comparator due
device cycles continuously; starting up by control of
to high-frequency noise.
the soft-start circuit, heating up due to the fault
condition, and then shutting down upon reaching the
thermal shutdown trip point. This sequence repeats
until the fault condition is removed.
17
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS54610QPWPRQ1 制造商:Texas Instruments 功能描述:CONV DC-DC SGL-OUT STEP DOWN 28HTSSOP - Tape and Reel
TPS54611 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-V TO 6-V INPUT, 6-A OUTPUT SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETs
TPS54611-EP 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-V TO 6-V INPUT, 6-A OUTPUT SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETs (SWIFTa?￠)
TPS54611PWP 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Lo-In Voltage 6A Sync Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54611PWPG4 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Lo-In Voltage 6A Sync Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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