页页次: 4/11
电气特性
(T
A
=25°C, V
IN
=5.0V unless otherwise specified)
SYMBOL
V
IN
参数“
输入电压
条件“
‐
V
IN
=V
OUT
+1.0V, I
OUT
=1mA, V
OUT
≧1.8V
FixedÊ
V
IN
=V
OUT
+1.0V, I
OUT
=1mA, V
OUT
<1.8V, V
IN
TYPE †
>2.4V
V
IN
=V
OUT
+1.2V, I
OUT
=1mA, V
OUT
≧1.8V
ADJ
V
IN
=V
OUT
+1.2V, I
OUT
=1mA, V
OUT
<1.8V, V
IN
TYPE †
>2.4V
V
OUT
+1.0V≦V
IN
≦7.0V, V
OUT
≧2.4V
I
OUT
=100mA, V
OUT
>3.0V
I
OUT
=600mA, V
OUT
>3.0V
V
OUT
+1.0V≦V
IN
≦7V, I
OUT
=1mA
V
IN
=V
OUT
+1V, 1mA≦I
OUT
≦100mA
I
负载
=0mA to 1.0A, V
IN
=V
OUT
+1.0V
V
IN
=V
OUT
+1V, EN=0V, No Load
‐
I
OUT
=30mA, F=1KHz, C
OUT
=3.3uF
I
OUT
=100mA , F=1KHz, C
OUT
=3.3uF
V
IN
≦5.0V
V
IN
≦5.0V
V
EN
=0V, For Fixed Voltage Type
V
OUT
=3.3V to 0V, C
OUT
=1uF, For Fixed Voltage Type
V
OUT
=3.3V, C
SS
=47nF, C
IN
=C
OUT
=1uF
分钟。
2.4
‐2%
‐35
‐2%
‐50
600
‐
‐
‐
‐
‐
‐
‐
‐
1.6
‐
‐
‐
‐
‐
100
500
0.2
0.01
60
0.7
250
65
40
‐
‐
30
70
10
V
OUT
(典型值) *
‐
马克斯。
7.0
+2%
+35
+2%
+50
‐
‐
‐
0.3
0.02
‐
‐
‐
‐
‐
‐
0.3
100
100
‐
盟
V
V
mV
V
mV
mA
mV
V
OUT
输出电压
I
最大
V
降
ΔV
LINE
ΔV
负载
I
Q
I
SD
I
SC
PSRR-
e
N
V
IH
V
IL
R
DIS
T
DIS
T
SS
输出电流(见注)
输入输出电压差
线路调整
%/V
负载调整率
% / mA的
接地引脚电流
uA
关断电流
uA
短路电流
mA
纹波抑制
dB
输出噪声
uV
( RMS)
EN引脚输入电压“ H”
V
EN引脚输入电压“ L”
V
放电电阻
Ω
放电时间
us
软启动时间
ms
热关断
o
T
SD
‐
‐
150
‐
C
温度是多少?
o
T
HYS
热关断迟滞
‐
‐
20
‐
C
NOTE:Measured using a double sided board with 1” x 2” square inches of copper area connected to the GND pins for “heat spreading”.
DS‐RS7302‐02
September, 2009
www.Orister.com