參數(shù)資料
型號(hào): TPS65167ARHARG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 4.9 A SWITCHING REGULATOR, 900 kHz SWITCHING FREQ-MAX, PQCC40
封裝: 6 X 6 MM, GREEN, PLASTIC, MO-220VJJD-2, QFN-40
文件頁數(shù): 6/41頁
文件大小: 1270K
代理商: TPS65167ARHARG4
www.ti.com
APPLICATION INFORMATION
EN
AVIN
UVLO
Undervoltage
lockout
5.35Vtyp
Thermal
Shutdownlatch
155 Ctyp
o
Vref
1.213V
REF
30 A
m
Vref
3.5k
StartBoost
converter, and
positivecharge
Ichg
Control
Regulator
4.8Vtyp
GDLY
Vref
3.5k
EnableGatevoltage
shapingblock
Ichg
Control
REGOUT
FB
PowerGood
BoostConverter
EN
Temperature
Sensor
200 A
m
PowerGood
BuckConverter
FBB
Startnegative
chargepump
TEMP
VREF
GD
StartBuckConverter
StartLDOController
EN
Idischg
AVIN
5k
Control
GND
Regulator REGOUT and Reference REF
SLVS760C – APRIL 2007 – REVISED MARCH 2008
Figure 21. Control Block TPS65167
The 4.8 V regulator REGOUT and reference REF is always on as long as the input voltage is above the device
undervoltage lockout of typically 5.2 V. To ensure a correct start-up, the reference voltage REF needs to come
up faster than the regulator voltage REGOUT. In other words as REF = 1.213 V then REGOUT must remain
< 4.25 V to assure proper start-up (Figure 22).
14
Copyright 2007–2008, Texas Instruments Incorporated
Product Folder Link(s): TPS65167 TPS65167A
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