參數(shù)資料
型號(hào)： TPS7348Y
廠商： Texas Instruments, Inc.
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED DELAYED RESET FUNCTION
中文描述： 低技術(shù)，集成延遲復(fù)位功能降穩(wěn)壓器
文件頁(yè)數(shù)： 9/43頁(yè)
文件大?。?/td> 638K
代理商： TPS7348Y
TPS7301Q, TPS7325Q, TPS7330Q, TPS7333Q, TPS7348Q, TPS7350Q
LOW-DROPOUT VOLTAGE REGULATORS
WITH INTEGRATED DELAYED RESET FUNCTION
SLVS124F – JUNE 1995 – REVISED JANUARY 1999
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TPS7325Q electrical characteristics at I
O
= 10 mA, V
I
= 3.5 V, EN = 0 V, C
o
= 10
μ
F (CSR
= 1
), SENSE
shorted to OUT (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TJ
25
°
C
MIN
TYP
MAX
UNIT
Output voltage
2.45
2.5
2.55
V
3.5 V
≤
VI
≤
10 V,
5 mA
≤
IO
≤
500 mA
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
2.425
2.575
§
IO= 10 mA
IO = 10 mA,
VI= 2 97 V
VI = 2.97 V
5
14
Dropout voltage§
IO= 100 mA
IO = 100 mA,
VI= 2 97 V
VI = 2.97 V
50
80
mV
150
IO= 500 mA
IO = 500 mA,
VI= 2 97 V
VI = 2.97 V
270
400
600
Pass element series resistance§
Pass-element series resistance§
(2.97 V – VO)O,
IO = 500 mA
VI = 2.97 V,
0.5
0.7
1.4
Input regulation
VI= 3 5 V to 10 V
VI = 3.5 V to 10 V,
μ
≤
50
A
IO
≤
500 mA
6
20
mV
25
IO= 5 mA to 500 mA
IO = 5 mA to 500 mA,
3 5 V
≤
3.5 V
≤
VI
≤
10 V
20
32
mV
Output regulation
50
IO= 50
μ
IO = 50
A to 500 mA,
3 5 V
≤
3.5 V
VI
≤
10 V
28
60
mV
100
IO= 50
μ
IO = 50
A
50
53
Ripple rejection
f = 120 Hz
49
dB
IO= 500 mA
IO = 500 mA
49
53
32
Output noise-spectral density
f = 120 Hz
2
μ
V/
√
Hz
Co = 4.7
μ
F
Co = 10
μ
F
Co = 100
μ
F
25
°
C
25
°
C
25
°
C
274
Output noise voltage
10 Hz
≤
f
≤
100 kHz
228
μ
Vrms
159
RESET trip-threshold voltage
VO decreasing
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
2.23
2.32
2.39
V
RESET output low voltage
VI= 2 1 V
VI = 2.1 V,
IO(RESET)=
IO(RESET) = –0.8 mA
0 8 mA
0.14
0.4
0.4
V
CSR refers to the total series resistance, including the ESR of the capacitor, any series resistance added externally, and PWB trace resistance
to Co.
Pulse-testing techniques are used to maintain virtual junction temperature as close as possible to ambient temperature; thermal effects must
be taken into account separately.
§Dropout test and pass-element series resistance test are not production tested. Test method requires SENSE terminal to be disconnected from
output voltage.
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