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| 型號： | TPS7348Y |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED DELAYED RESET FUNCTION |
| 中文描述： | 低技術，集成延遲復位功能降穩(wěn)壓器 |
| 文件頁數(shù)： | 13/43頁 |
| 文件大?。?/td> | 638K |
| 代理商： | TPS7348Y |
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TPS7301Q, TPS7325Q, TPS7330Q, TPS7333Q, TPS7348Q, TPS7350Q
LOW-DROPOUT VOLTAGE REGULATORS
WITH INTEGRATED DELAYED RESET FUNCTION
SLVS124F – JUNE 1995 – REVISED JANUARY 1999
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TPS7350Q electrical characteristics at I
O
= 10 mA, V
I
= 6 V, EN = 0 V, C
o
= 4.7
μ
F (CSR
= 1
), SENSE
shorted to OUT (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TJ
25
°
C
MIN
TYP
MAX
UNIT
Output voltage
5
V
6 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
4.9
5.1
IO= 10 mA
IO = 10 mA,
VI= 4 88 V
VI = 4.88 V
2.9
6
8
Dropout voltage
IO= 100 mA
IO = 100 mA,
VI= 4 88 V
VI = 4.88 V
27
35
mV
50
IO= 500 mA
IO = 500 mA,
VI= 4 88 V
VI = 4.88 V
146
170
230
Pass element series resistance
Pass-element series resistance
(4.88 V – VO)O,
IO = 500 mA
VI = 4.88 V,
0.27
0.35
0.5
Input regulation
VI= 6 V to 10 V
VI = 6 V to 10 V,
μ
≤
50
A
IO
≤
500 mA
4
25
mV
45
IO= 5 mA to 500 mA
IO = 5 mA to 500 mA,
≤
6 V
≤
VI
≤
10 V
30
45
mV
Output regulation
86
IO= 50
μ
IO = 50
A to 500 mA,
≤
6 V
VI
≤
10 V
45
65
mV
140
IO= 50
μ
IO = 50
A
43
53
Ripple rejection
f = 120 Hz
38
dB
IO= 500 mA
IO = 500 mA
41
51
36
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
430
Output noise voltage
10 Hz
≤
f
≤
100 kHz
345
μ
Vrms
220
RESET trip-threshold voltage
VO decreasing
–40
°
C to 125
°
C
4.55
4.75
V
RESET hysteresis voltage
25
°
C
25
°
C
28
mV
RESET output low voltage
IO(RESET)=
IO(RESET) = –1.2 mA, VI = 4.25 V
1 2 mA
VI= 4 25 V
0.15
0.4
0.4
V
–40
°
C to 125
°
C
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.
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