參數(shù)資料
型號: TPS65170RHDT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 4.2 A SWITCHING REGULATOR, 900 kHz SWITCHING FREQ-MAX, PQCC28
封裝: 5 X 5 MM, GREEN, PLASTIC, QFN-28
文件頁數(shù): 30/35頁
文件大?。?/td> 4698K
代理商: TPS65170RHDT
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28
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VL
SWB
CTRLN
FBN
FBB
RST
AGND
NC
AGND
DLY
CRST
SS
COMP
FB
FBP
CTRLP
GD
SW
PGND
VIN
TopView
Exposed
ThermalDie
SLVSA27 – OCTOBER 2009
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
VIN = 12V; VS = 17V; VLOGIC = 3.3V; TA = –40°C to 85°C; typical values are at 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Load regulation
VGL = –7V, IGH = 10mA to 50mA,
±1
%/A
including external components
RESET GENERATOR
VRST
Output voltage low
IRST 1mA (sinking)
0.5
V
IRST
Output current high
VRST = 3.3V (sinking)
1
A
ICRST
Reset delay capacitor charge
VCRST = 1.24V
10
A
current
VCRST
Reset delay threshold voltage
VCRST rising
1.24
V
ISOLATION SWITCH CONTROL
VGD
Output voltage low
IGD = 500A (sinking)
0.5
V
ILKG
Leakage Current
VGD = 20V
0.05
1
A
DELAY DLY
IDLY
Delay capacitor charge current
VDLY = 1.24V
10
A
VDLY
Delay threshold voltage
VDLY rising
1.24
V
THERMAL SHUTDOWN
TSD
Thermal shutdown threshold
150
°C
THYS
Thermal shutdown hysteresis
10
°C
DEVICE INFORMATION
PIN ASSIGNMENT
4
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s) :TPS65170
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