5V / 3.3V或可调,低压差,
我低
Q
, 200mA线性稳压器
MAX882/MAX883/MAX884
典型工作特性(续)
(V
IN
= 7V的MAX883 ,V
IN
= 5.3V的MAX882 / MAX884 ,关闭或待机= V
IN
, SET = GND , LBI = V
IN
,
LBO
= OPEN ,C
IN
= C
OUT
= 2.2µF,
R
L
= 1kΩ的,T
A
= + 25 ℃,除非另有说明。 )
线路瞬态响应
负载瞬态响应
A
A
B
B
500µs/div
MAX883 : V
OUT
= 5V ,C
IN
= 0μF ,T
R
=为15μs ,T
F
= 13µs
答: V
IN
= 8V (高) / V
IN
= 7V ( LOW )
B:输出电压( 100mV的/ DIV )
1ms/div
MAX883 : V
OUT
= 5V ,T
R
= 24μs ,T
F
= 44µs
答:输出电压( 100mV的/ DIV )
B:我
OUT
= 250毫安(高) / I
OUT
= 50毫安( LOW )
过冲和时间
EXITING关断模式
5
R
L
= 100Ω
B
A
5V
4
LBO低电压( V)
LBO低电压
与灌电流
MAX882/4-10
3
MAX882/MAX884
2
MAX883
1
0V
500µs/div
答: OFF引脚电压( 1V / DIV ) :
上升时间=器件为9μs
B: MAX883输出电压( 1V / DIV ) :
DELAY = 135μs ,上升时间= 67μs ,
冲= 0 %
0
0.1
1
灌电流(mA )
10
50
6
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