參數(shù)資料
型號(hào)： TPS77228
廠(chǎng)商： Texas Instruments, Inc.
英文描述： 150-mA LDO REGULATORS WITH INTEGRATED RESET OR PG
中文描述： 150毫安LDO穩(wěn)壓器與集成復(fù)位或PG
文件頁(yè)數(shù)： 9/23頁(yè)
文件大小： 357K
代理商： TPS77228
TPS77101, TPS77118, TPS77127, TPS77128, TPS77133 WITH RESET OUTPUT
TPS77201, TPS77218, TPS77227, TPS77228, TPS77233 WITH POWER GOOD OUTPUT
150-mA LDO REGULATORS WITH INTEGRATED RESET OR PG
SLVS225A – FEBRUARY 2000 – REVISED MARCH 2000
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating junction temperature range (–40
°
C to
125
°
C), V
I
= V
O(typ)
+ 1 V, I
O
= 1 mA, EN = 0 V, C
O
= 10
μ
F (unless otherwise noted) (continued)
PARAMETER
TEST CONDITIONS
I(RESET) = 300
μ
A
VO decreasing
Measured at VO
VI = 2.7 V,
V(RESET) = 5 V
MIN
TYP
1.1
MAX
UNIT
V
Minimum input voltage for valid RESET
Trip threshold voltage
92
98
%VO
%VO
V
μ
A
ms
Reset
(TPS771xx)
Hysteresis voltage
0.5
Output low voltage
I(RESET) = 1 mA
0.15
0.4
Leakage current
1
RESET time-out delay
220
2.8 V
Output
IO = 150 mA,
IO = 150 mA,
IO = 150 mA,
IO = 150 mA
TJ = 25
°
C
150
VDO
Dropout voltage (see Note 5)
265
mV
3.3 V
Output
TJ = 25
°
C
115
200
NOTE 5: IN voltage equals VO(Typ) – 100 mV; 1.8 V, and 2.7 V dropout voltage limited by input voltage range limitations (i.e., 3.3 V input voltage
needs to drop to 3.2 V for purpose of this test).
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
2, 3
VO
Output voltage
vs Output current
vs Junction temperature
4, 5
Ground current
vs Junction temperature
6
Power supply rejection ratio
vs Frequency
7
Output spectral noise density
vs Frequency
8
Zo
Output impedance
vs Frequency
9
VDO
Dropout voltage
vs Input voltage
10
vs Junction temperature
11
Line transient response
12, 14
Load transient response
13, 15
Output voltage
vs Time
16
Equivalent series resistance (ESR)
vs Output current
18 – 21
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS77228DGK 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Transient-Resp 150-mA 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(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS77228DGKG4 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Transient-Resp 150-mA 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(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS77228DGKR 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Transient-Resp 150-mA 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(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS77228DGKRG4 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Transient-Resp 150-mA 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(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS77233DGK 功能描述:低壓差穩(wěn)壓器 - LDO Fast-Transient-Resp 150-mA 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(lèi)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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