參數(shù)資料
型號： TPS7350Y
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(帶延遲復位功能的低壓差穩(wěn)壓器)
中文描述： 低壓差穩(wěn)壓器（帶延遲復位功能的低壓差穩(wěn)壓器）
文件頁數(shù)： 13/37頁
文件大?。?/td> 839K
代理商： TPS7350Y
TPS7301Q, TPS7333Q, TPS7348Q, TPS7350Q
LOW-DROPOUT VOLTAGE REGULATORS
WITH INTEGRATED DELAYED RESET FUNCTION
SLVS124D – JUNE 1995 – REVISED JANUARY 1997
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TPS7333Y electrical characteristics at I
O
= 10 mA, V
I
= 4.3 V, EN = 0 V, C
O
= 4.7
μ
F(CSR
= 1
),
T
J
= 25
°
C, SENSE shorted to OUT (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output voltage
VI = 4.3 V,
IO = 10 mA,
IO = 100 mA,
IO = 500 mA,
(3.23 V – VO)/IO,
IO = 500 mA
VI = 4.3 V to 10 V,
IO = 5 mA to 500 mA,
IO = 50
μ
A to 500 mA,
IO = 10 mA
VI = 3.23 V
VI = 3.23 V
VI = 3.23 V
VI = 3.23 V,
3.3
V
4.5
Dropout voltage
44
mV
235
Pass-element series resistance
0.44
Input regulation
50
μ
A
≤
IO
≤
500 mA
4.3 V
≤
VI
≤
10 V
4.3 V
≤
VI
≤
10 V
IO = 50
μ
A
IO = 500 mA
6
mV
Output regulation
21
mV
31
mV
Ripple rejection
f = 120 Hz
51
dB
49
Output noise-spectral density
f = 120 Hz
2
μ
V/
√
Hz
Output noise voltage
≤
≤
10 Hz
f
100 kHz,
CSR = 1
CO = 4.7
μ
F
CO = 10
μ
F
CO = 100
μ
F
274
228
Vrms
μ
159
RESET hysteresis voltage
18
mV
RESET output low voltage
VI = 2.8 V,
O(RESET) = –1 mA
0.17
V
TPS7348Y electrical characteristics at I
O
= 10 mA, V
I
= 5.85 V, EN = 0 V, C
O
= 4.7
μ
F(CSR
= 1
),
T
J
= 25
°
C, SENSE shorted to OUT (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output voltage
VI = 5.85 V,
IO = 10 mA,
IO = 100 mA,
IO = 500 mA,
(4.75 V – VO)/IO,
IO = 500 mA
VI = 5.85 V to 10 V,
IO = 5 mA to 500 mA,
IO = 50
μ
A to 500 mA,
IO = 10 mA
VI = 4.75 V
VI = 4.75 V
VI = 4.75 V
VI = 4.75 V,
4.85
V
2.9
Dropout voltage
28
mV
150
Pass-element series resistance
0.28
Input regulation
50
μ
A
≤
IO
≤
500 mA
5.85 V
≤
VI
≤
10 V
5.85 V
≤
VI
≤
10 V
IO = 50
μ
A
IO = 500 mA
9
mV
Output regulation
28
mV
42
mV
Ripple rejection
f = 120 Hz
53
dB
50
Output noise-spectral density
f = 120 Hz
2
μ
V/
√
Hz
Output noise voltage
≤
≤
10 Hz
f
100 kHz,
CO = 4.7
μ
F
CO = 10
μ
F
CO = 100
μ
F
410
328
Vrms
μ
CSR = 1
212
RESET hysteresis voltage
26
mV
RESET output low voltage
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.
IO(RESET) = –1.2 mA,
VI = 4.12 V
0.2
V
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