双输出(正负)
DC-DC转换器,用于CCD及LCD
典型工作特性(续)
图3 ,V的(电路
OUT +
= 15V, V
OUT-
= -7.5V ,T
A
= + 25 ℃,除非另有说明。 )
MAX685
V
OUT +
负载瞬态响应
MAX685-08
V
OUT-
负载瞬态响应
-1mA
I
OUT-
-11mA
MAX685-09
11mA
I
OUT +
1mA
5mA/div
5mA/div
100mV/div
100mV/div
V
OUT +
V
OUT-
2ms/div
2ms/div
线路瞬态响应
MAX685-10
100mV/div
V
OUT +
100mV/div
V
OUT-
2V/div
V
DD
副总裁
1ms/div
INPUT 4V至5V , + 15V在10mA , -7.5V在10mA
START- UP ( SEQ =高)
MAX685-12
START- UP ( SEQ = LOW )
MAX685-11
V
OUT +
5V/div
5V/div
V
OUT +
5V/div
V
OUT-
5V/div
V
OUT-
2ms/div
START -UP , SEQ = HIGH ,V
DD
= VP = 5.0V ,
+ 15V在10mA , -7.5V在10mA
2ms/div
START -UP , SEQ = LOW ,V
DD
= VP = 5.0V ,
+ 15V在10mA , -7.5V在10mA
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5