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參數資料
型號: TPS65162RGZR
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩壓器
英文描述: 4.2 A SWITCHING REGULATOR, 900 kHz SWITCHING FREQ-MAX, PQCC48
封裝: 7 X 7 MM, PLASTIC, VQFN-48
文件頁數: 23/36頁
文件大小: 1034K
代理商: TPS65162RGZR
ELECTRICAL CHARACTERISTICS
www.ti.com ............................................................................................................................................................... SLVS771B – MAY 2007 – REVISED JUNE 2008
Vin=12 V, EN1=EN2=FREQ=high, Vs=15 V, Vlogic=3.3 V ,TA = –40°C to 85°C, typical values are at TA = 25°C (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
VI
Input voltage range
8
14.7
V
Shutdown current into VIN
EN1=EN2=GND
0.03
1
ISD
A
Shutdown current into PVIN
EN1=EN2=GND
0.01
1
IQIN
Quiescent current into VIN
1.7
4
mA
ISUP
Shutdown current into SUP
EN1=EN2=GND
0.01
1
A
Shutdown current into AVIN
EN1=EN2=GND
50
220
A
IAVIN
Quiescent current into AVIN
8
10
mA
VUVLO
Undervoltage lockout threshold
Vin falling
7.6
7.95
V
VREF
Reference voltage
1.253
1.265
1.277
V
Thermal shutdown
Temperature rising
160
°C
Thermal shutdown hysteresis
10
°C
LOGIC SIGNALS EN1, EN2, FREQ, VFLK, VDPM
VIH
High level input voltage EN1, EN2, VDPM,
2.0
V
FREQ
VIL
Low level input voltage EN1, EN2, VDPM,
0.8
V
FREQ
VIH
High level input voltage VFLK
1.7
V
VIL
lOW level input voltage VFLK
0.4
V
II
Input leakage current
EN1=EN2=FREQ=VFLK=VDPM=GND or VIN
0.01
0.1
A
CONTROL AND SOFT START DLY1, DLY2, SS
Ichrg
DLY1, DLY2 charge current
3.5
5
6
Vthreshold = 1.280 V
A
ISS
SS charge current
6
9.2
12
Vthr
Delay threshold
1.280
V
INTERNAL OSCILLATOR
FREQ = high
600
750
900
fosc
Oscillator frequency
kHz
FREQ = low
400
500
600
BOOST CONVERTER (Vs)
VS
Output voltage range
19
V
VFB
Feedback regulation voltage
1.255
1.268
1.280
V
IFB
Feedback input bias current
10
100
nA
N-MOSFET on-resistance (Q1)
Vs = 15 V, I(SW) = 500 mA
130
200
m
RDS(on)
P-MOSFET on-resistance (Q2)
Vs = 15 V,I(SW) = 200 mA
9
15
IMAX
Maximum P-MOSFET peak switch current
1
A
ILIM
N-MOSFET switch current limit (Q1)
2.8
3.6
4.2
A
Ileak
Switch leakage current
V(SW) = 15 V
1
10
A
Vswovp
Switch overvoltage protection
Vout rising
19.5
20
21
V
Line Regulation
8V
≤Vin≤14V, Iout = 2mA
0.007
%/V
Load Regulation
2mA
≤Iout≤1.5A
0.03
%/A
ISOLATION SWITCH
RDSon
Isolation switch RDSon
ISW = 1 A, Vs = 15 V
200
m
I
Switch current
2
A
ISC
Short circuit current limit
SWI = 12V, SWO = 0V
350
mA
Copyright 2007–2008, Texas Instruments Incorporated
3
Product Folder Link(s): TPS65162
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