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参数资料
| 型号： | TPS54616QPWPRQ1 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 12 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封装： | GREEN, PLASTIC, HTSSOP-28 |
| 文件页数： | 7/20页 |
| 文件大小： | 403K |
| 代理商： | TPS54616QPWPRQ1 |
TPS54611Q1,TPS54612Q1
TPS54613Q1,TPS54614Q1
TPS54615Q1,TPS54616Q1
SGLS266G OCTOBER 2004 REVISED JUNE 2008
www.ti.com
15
control of the slow-start circuit, heating up due to the fault,
and then shutting down upon reaching the thermal
shutdown trip point.
Power Good (PWRGD)
The power good circuit monitors for under voltage
conditions on VSENSE. If the voltage on VSENSE falls
10% below the reference voltage, the open-drain PWRGD
output is pulled low. PWRGD is also pulled low if VIN is
less than the UVLO threshold, or SS/ENA is low, or
thermal shutdown is asserted. When VIN = UVLO
threshold, SS/ENA = enable threshold, and VSENSE >
90% of Vref, the open drain output of the PWRGD pin is
high. A hysteresis voltage equal to 3% of Vref and a 35-s
falling edge deglitch circuit prevent tripping of the power
good comparator due to high-frequency noise.
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