參數(shù)資料
型號： TPS70751PWP
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 POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP SYSTEMS
中文描述： 兩用低壓差最多可劈開電壓DSP系統(tǒng)序列電源電壓穩(wěn)壓器的輸出
文件頁數(shù)： 33/34頁
文件大?。?/td> 505K
代理商： TPS70751PWP
TPS70745, TPS70748, TPS70751, TPS70758, TPS70702
DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
WITH POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP SYSTEMS
SLVS291 – MAY 2000
8
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) (continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Minimum input voltage for valid RESET
I(RESET) = 300 A,
V(RESET) ≤ 0.8 V
1.0
1.3
V
Trip threshold voltage
VO decreasing
92%
95%
98%
VO
Hysteresis voltage
Measured at VO
0.5%
VO
RESET
t(RESET)
RESET pulse duration
80
120
160
ms
tr(RESET)
Rising edge deglitch
30
s
Output low voltage
VI = 3.5 V,
I(RESET) = 1 mA
0.15
0.4
V
Leakage current
V(RESET) = 6 V
1
A
Minimum input voltage for valid PG1
IO(PG1) = 300 A,
V(PG1) ≤ 0.8 V
1.0
1.3
V
Trip threshold voltage
VO decreasing
92%
95%
98%
VO
PG1
Hysteresis voltage
Measured at VO
0.5%
VO
PG1
tf(PG1)
Falling edge deglitch
30
s
Output low voltage
VI = 2.7 V,
I(PG1) = 1 mA
0.15
0.4
V
Leakage current
V(PG1) = 6 V
1
A
High level EN input voltage
2
V
EN
Low level EN input voltage
0.7
V
Input current (EN)
–1
1
A
High level SEQ input voltage
2
V
SEQ
Low level SEQ input voltage
0.7
V
SEQ pull up current source
6
A
High level input voltage
2
V
MR1 / MR2
Low level input voltage
0.7
V
Pull up current source
6
A
V
VOUT2 UV comparator – positive-going input
threshold voltage of VOUT1 UV comparator
80% VO
83% VO 86% VO
V
VOUT2 UV comparator – hysteresis
0.5% VO
mV
VOUT2
VOUT2 UV comparator – falling edge deglitch
VSENSE_2 decreasing below threshold
140
s
Peak output current
2 ms pulse width
375
mA
Discharge transistor current
VOUT2 = 1.5 V
7.5
mA
V
VOUT1 UV comparator – positive-going input
threshold voltage of VOUT1 UV comparator
80% VO
83% VO 86% VO
V
VOUT1 UV comparator – hysteresis
0.5% VO
mV
V
VOUT1 UV comparator – falling edge deglitch
VSENSE_1 decreasing below threshold
140
s
VOUT1
Dropout voltage (see Note 4)
IO = 250 mA,
VIN1 = 3.2 V,
TJ = 25°C
83
mV
g(
)
IO = 250 mA,
VIN1 = 3.2 V
140
Peak output current
2 ms pulse width
750
mA
Discharge transistor current
VOUT1 = 1.5 V
7.5
mA
VOUT1 UVLO
UVLO threshold
2.4
2.65
V
FB
Input current – TPS70702
FB = 1.8 V
1
A
NOTE 4: Input voltage(VIN1 or VIN2) = VO(Typ) – 100 mV. For the 1.5 V, 1.8 V and 2.5 V regulators, the dropout voltage is limited by input voltage
range. The 3.3 V regulator input voltage is to 3.2 V to perform this test.
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相關代理商/技術參數(shù)
參數(shù)描述
TPS70751PWPG4 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS70751PWPR 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS70751PWPRG4 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS70758 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP SYSTEMS
TPS70758PWP 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
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