參數(shù)資料
型號(hào)： 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)： 34/46頁
文件大?。?/td> 3644K
代理商： TPS65171RHAR
SLVSA22A – OCTOBER 2009 – REVISED JANUARY 2010
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
AVIN=VIN1=VIN2=VIN3=12V, EN1=EN2=VIN, VS=15V, Vlogic=3.3V, TA = –40°C to 85°C, typical values are at TA = 25°C
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ILIM
N-MOSFET switch current limit
1
A
Ileak
Switch leakage current
Vsw = 0V
1
mA
Line regulation
8.5V
≤ VIN ≤ 14.7V, Iout = 1mA
0.006
%/V
1mA
≤ Iout ≤ 100mA
0.042
%/mA
Load regulation
100mA
≤ Iout ≤ 1A
0.06
%/A
NEGATIVE SHUNT REGULATOR (Vss)
VBase1
Base1 voltage range
Transistor leakage maximum 5mA
–9.5
0.3
V
IBase1
Base1 drive source current
VFB3 = VFB3nominal – 5%
5
mA
0.75 ×
VFB3
Feedback regulation voltage
–5%
5%
V
Vlogic
IFB3
Feedback input bias current
VFB3 = 1.24V
10
100
nA
Line regulation
8.5V
≤ VIN ≤ 14.7V, Iout = 1mA
0.006
%/V
Load regulation
1mA
≤ Iout ≤ 50mA
0.0004
%/mA
NEGATIVE BUCK BOOST CONVERTER (VOFFE)
Vovp
VIN3 overvoltage protection
15
V
VOFFE
Adjustable output voltage range
–22
-5
V
RDS(on)
P-MOSFET on resistance
ISW5 at current limit
0.9
1.6
ILIM
P-MOSFET current limit
0.8
1
A
Regulation accuracy upper limit
VTS = 1V, VSET = 1.9V
1.8
1.9
2.0
V
VFB5
Regulation accuracy
VTS = 1V, VSET = 2.4V
1.9
2
2.1
V
Regulation accuracy lower limit
VTS = 0.7V, VSET = 2.4V
1.57
1.65
1.73
V
IFB5
Feedback input bias current
VFB5 = 2V
10
100
nA
ITS
TS input bias current
VTS = 1V
10
100
nA
ISET
SET input bias current
VSET = 3V
3
5
mA
Line regulation
8.5V
≤ VIN ≤ 14.7V, Iout = 1mA
0.003
%/V
Load regulation
1mA
≤ Iout ≤ 150mA, VOFFE = –11V
0.0005
%/mA
POSITIVE CHARGE PUMP (VONE)
Base2 drive sink current
VFB4 = VFB4nominal-5%
8
14
mA
IBase2
Base2 drive sink current (SC-Mode)
VFB4 = GND
40
50
70
mA
VBase2
Base drive voltage range
20
V
VFB4
Feedback regulation voltage
1.18
1.24
1.30
V
IFB4
Feedback input bias current
VFB4 = 1.24V
10
100
nA
Line regulation
8.5V
≤ VIN ≤ 14.7V, Iout = 1mA
0.9
%/V
Load regulation
1mA
≤ Iout ≤ 75mA
0.004
%/mA
HIGH VOLTAGE STRESS TEST (HVS), RHVS
RHVS
RHVS pull down resistance
HVS = high, IHVS = 500mA
350
450
550
IRHVS
RHVS leakage current
HVS = low, VRHVS = 5V
100
nA
4
Copyright 2009–2010, Texas Instruments Incorporated
Product Folder Link(s): TPS65171
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