參數(shù)資料
型號(hào)： TPS70845PWP
廠商： Texas Instruments, Inc.
元件分類： 線性穩(wěn)壓
英文描述： DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS
中文描述： 兩用低壓差電壓帶的劈開(kāi)SVS的系統(tǒng)集成穩(wěn)壓器的輸出電壓
文件頁(yè)數(shù)： 29/29頁(yè)
文件大?。?/td> 449K
代理商： TPS70845PWP
TPS70845, TPS70848, TPS70851, TPS70858, TPS70802
DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS
SLVS301B – JUNE 2000 – REVISED OCTOBER 2002
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating junction temperature (TJ = –40°C to 125°C)
VIN1 or VIN2 = VO(nom) + 1 V, IO = 1 mA, EN = 0, CO = 33 F(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Reference voltage
2.7 V < VIN < 6 V,
FB connected to VO
TJ = 25°C
1.22
Reference voltage
2.7 V < VIN < 6 V,
FB connected to VO
1.196
1.244
1 2 V output
2.7 V < VI < 6 V,
TJ = 25°C
1.2
1.2 V output
2.7 V < VI < 6 V
1.176
1.224
1 5 V output
2.7 V < VI < 6 V,
TJ = 25°C
1.5
V
VO
Output voltage
(see Notes 1 and 3)
1.5 V output
2.7 V < VI < 6 V
1.47
1.53
V
VO
(see Notes 1 and 3)
1 8 V output
2.8 V < VI < 6 V,
TJ = 25°C
1.8
1.8 V output
2.8 V < VI < 6 V
1.764
1.836
2 5 V output
3.5 V < VI < 6 V,
TJ = 25°C
2.5
2.5 V output
3.5 V < VI < 6 V
2.45
2.55
3 3 V output
4.3 V < VI < 6 V,
TJ = 25°C
3.3
V
3.3 V output
4.3 V < VI < 6 V
3.234
3.366
V
Quiescent current (GND current) for regulator 1 and
See Note 3,
TJ = 25°C
190
A
Quiescent current (GND current) for regulator 1 and
regulator 2, EN1 = EN2 = 0 V, (see Note 1)
See Note 3
230
A
Output voltage line regulation (
VO/VO) for
VO + 1 V < VI ≤ 6 V,
TJ = 25°C, See Note 1
0.01%
V
Out ut voltage line regulation (
VO/VO) for
regulator 1 and regulator 2 (see Note 2)
VO + 1 V < VI ≤ 6 V,
See Note 1
0.1%
V
Load regulation for VOUT1 and VOUT2
TJ = 25°C
1
mV
V
Output noise voltage
Regulator 1
BW
300 Hz to 50 kHz
CO 33 FT
25
°C
65
Vrms
Vn
Output noise voltage
Regulator 2
BW = 300 Hz to 50 kHz, CO = 33 F, TJ = 25°C
65
Vrms
Output current limit
Regulator 1
VO 0V
1.6
1.9
A
Output current limit
Regulator 2
VO = 0 V
0.750
1
A
Thermal shutdown junction temperature
150
°C
I () Standby current
Regulator 1 and
EN1 = VI, EN2 = VI,TJ = 25°C
2
A
II(standby) Standby current
Regulator 1 and
Regulator 2
EN1 = VI, EN2 = VI
6
A
PSRR
Power supply ripple rejection
Regulator 1
f = 1 kHz, CO = 33 F,
TJ = 25°C,
IOUT1 = 250 mA
60
dB
PSRR
Power supply ripple rejection
Regulator 2
f = 1 kHz, CO = 33 F,
TJ = 25°C,
IOUT2 = 125 mA
50
dB
RESET terminal
Minimum input voltage for valid RESET
I(RESET) = 300 A,
V(RESET) ≤ 0.8 V
1.0
1.3
V
t(RESET)
RESET pulse duration
80
120
160
ms
Output low voltage
VI = 3.5 V,
I(RESET) = 1 mA
0.15
0.4
V
Leakage current
V(RESET) = 6 V
1
A
NOTES:
1. Minimum input operating voltage is 2.7 V or VO(typ) + 1 V, whichever is greater. Maximum input voltage = 6 V, minimum output
current 1 mA.
2. If VO < 1.8 V then VImax = 6 V, VImin = 2.7 V:
Line regulation (mV)
+ % V
V
O
V
Imax *
2.7 V
100
1000
If VO > 2.5 V then VImax = 6 V, VImin = Vo + 1 V:
Line regulation (mV)
+ % V
V
O
V
Imax *
V
O )
1
100
1000
3. IO = 1 mA to 250 mA for regulator 1 and 1 mA to 125 mA for regulator 2.
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參數(shù)描述
TPS70845PWPG4 功能描述:低壓差穩(wěn)壓器 - LDO Dual-Output LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS70845PWPR 功能描述:低壓差穩(wěn)壓器 - LDO Dual-Output LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS70845PWPRG4 功能描述:低壓差穩(wěn)壓器 - LDO Dual-Output LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS70848 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS
TPS70848PWP 功能描述:低壓差穩(wěn)壓器 - LDO 3.3V/1.2V 250/125mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
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