參數(shù)資料
型號: TPS65171RHAR
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 4 A SWITCHED CAPACITOR REGULATOR, 900 kHz SWITCHING FREQ-MAX, PQCC40
封裝: 6 X 6 MM, GREEN, PLASTIC, MO-220VJJD-2, VQFN-40
文件頁數(shù): 42/46頁
文件大?。?/td> 3644K
代理商: TPS65171RHAR
www.ti.com
SLVSA22A – OCTOBER 2009 – REVISED JANUARY 2010
DEVICE INFORMATION
PACKAGE
NOTE: The thermally enhance Power Pad is connected to GND
PIN FUNCTIONS
PIN
I/O
DESCRIPTION
NAME
NO.
GD
1
I
Gate drive pin for the external isolation MOSFET.
AVIN
2
I
Input voltage supply pin for the analog circuit.
VIN1, VIN2
3,4
I
Input supply for the buck converter generating Vlogic
NC
5
Not connected
SW3, SW4
6,7
O
Switch pin for the buck converter generating Vlogic
NC
8
Not connected
VSNS
9
I
Reference voltage input for the buck-boost and negative shunt regulator
FB2
10
I
Feedback pin for the buck converter.
PG
11
I
Power good output latched high when VS and VONE are in regulation
DLY1
12
O
Delay pin EN2 high to enable boost converter VS
EN1
13
I
Enable of the buck converter Vlogic
EN2
14
I
Enable of the negative supplies VSS and VOFFE, enable DLY1 and DLY2
HVS
15
I
Logic pin to enable high voltage stress test. This allows programming the boost converter VS to a
higher voltage
FB3
16
I
Feedback of the negative supply VSS
Copyright 2009–2010, Texas Instruments Incorporated
5
Product Folder Link(s): TPS65171
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