參數(shù)資料
型號： LF25AB
廠商： 意法半導(dǎo)體
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
中文描述： 極低降穩(wěn)壓器與抑制研究
文件頁數(shù)： 6/34頁
文件大?。?/td> 649K
代理商： LF25AB
LF00 SERIES
6/34
ELECTRICAL CHARACTERISTICS FOR LF15C
(refer to the test circuits, T
j
= 25°C, C
I
= 0.1 μF,
C
O
= 2.2
μ
F unless otherwise specified.)
ELECTRICAL CHARACTERISTICS FOR LF18AB
(refer to the test circuits, T
j
= 25°C, C
I
= 0.1 μF,
C
O
= 2.2
μ
F unless otherwise specified.)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
O
Output Voltage
I
O
= 50 mA, V
I
= 3.5 V
I
O
= 50 mA, V
I
= 3.5 V, T
a
= -25 to 85°C
I
O
= 500 mA
1.47
1.44
2.5
1.5
1.53
1.56
16
V
V
I
I
O
Operating Input Voltage
Output Current Limit
Line Regulation
Load Regulation
Quiescent Current
V
A
1
2
2
V
O
V
O
I
d
V
I
= 2.5 to 16 V,
V
I
= 2.8 V,
V
I
= 2.5 to 16V, I
O
= 0mA
V
I
= 2.8 to 16V, I
O
= 500mA
V
I
= 6 V
I
O
= 5 mA
V
I
= 3.5 ± 1 V
I
O
= 5 mA
I
O
= 5 to 500 mA
10
10
1
12
100
mV
mV
mA
ON MODE
0.5
OFF MODE
f = 120 Hz
f = 1 KHz
f = 10 KHz
50
82
77
65
50
1
μA
dB
SVR
Supply Voltage Rejection
eN
V
d
V
IL
V
IH
I
I
C
O
Output Noise Voltage
Dropout Voltage
Control Input Logic Low
Control Input Logic High
Control Input Current
Output Bypass Capacitance ESR = 0.1 to 10
B = 10 Hz to 100 KHz
I
O
= 200 mA
T
a
= -40 to 125°C
T
a
= -40 to 125°C
V
I
= 6 V,
μV
V
V
V
μA
μF
0.8
2
V
C
= 6 V
10
10
I
O
= 0 to 500 mA
2
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
O
Output Voltage
I
O
= 50 mA, V
I
= 3.3 V
I
O
= 50 mA, V
I
= 3.3 V, T
a
= -25 to 85°C
I
O
= 500 mA
1.782
1.764
3
1.8
1.818
1.836
16
V
V
I
I
O
Operating Input Voltage
Output Current Limit
Line Regulation
Load Regulation
Quiescent Current
V
A
1
2
2
V
O
V
O
I
d
V
I
= 2.8 to 16 V,
V
I
= 3.3 V,
V
I
= 2.5 to 16V, I
O
= 0mA
V
I
= 3.1 to 16V, I
O
= 500mA
V
I
= 6 V
I
O
= 5 mA
V
I
= 3.5 ± 1 V
I
O
= 5 mA
I
O
= 5 to 500 mA
12
10
1
12
100
mV
mV
mA
ON MODE
0.5
OFF MODE
f = 120 Hz
f = 1 KHz
f = 10 KHz
50
82
77
60
50
0.7
μA
dB
SVR
Supply Voltage Rejection
eN
V
d
V
IL
V
IH
I
I
C
O
Output Noise Voltage
Dropout Voltage
Control Input Logic Low
Control Input Logic High
Control Input Current
Output Bypass Capacitance ESR = 0.1 to 10
B = 10 Hz to 100 KHz
I
O
= 200 mA
T
a
= -40 to 125°C
T
a
= -40 to 125°C
V
I
= 6 V,
μV
V
V
V
μA
μF
0.8
2
V
C
= 6 V
10
10
I
O
= 0 to 500 mA
2
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LF25ABDT-TRY 功能描述:IC REG LDO 2.5V .5A DPAK RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:45 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:5V 輸入電壓:6 V ~ 30 V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.47V @ 250mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:250mA 電流 - 限制（最?。?- 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:TO-220-3 供應(yīng)商設(shè)備封裝:TO-220-3 包裝:管件 產(chǎn)品目錄頁面:1289 (CN2011-ZH PDF) 其它名稱:*LP2954AIT*LP2954AIT/NOPBLP2954AIT
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