![](http://datasheet.mmic.net.cn/Micrel-Inc/MIC2070-2PCQS-TR_datasheet_98992/MIC2070-2PCQS-TR_11.png)
January 2005
11
M9999-101104
MIC2010/2070
Micrel
AUX Ramped to Short by MOSFET
TIME (25ms/div)
V
AUX = 5V
V
MAIN = S3# = 0V, EN = [ON]
RL
OAD toggles from >1k to <0.5
C
LOAD = 1F
FA
U
LT
(5V/div)
V
OUT
(2V/div)
I OUT
(100mA/div)
Main Turn-On into Short
TIME (2.5ms/div)
1.2A
V
MAIN = VAUX =5V
S3# = 5V
EN toggles from [OFF] to [ON]
R
LOAD = Short
C
LOAD = 1F
EN
(5V/div)
FA
U
LT
(5V/div)
V
OUT
(5V/div)
I IN
(500mA/div)
AUX Turn-On into Short
TIME (2.5ms/div)
V
AUX =5V
V
MAIN = S3# = 0V
EN toggles from [OFF] to [ON]
C
LOAD = 100F
EN
(5V/div)
FA
U
LT
(5V/div)
V
OUT
(2V/div)
I OUT
(100mA/div)
AUX Inrush Current into Large C
LOAD
TIME (2.5ms/div)
230mA
V
AUX =5V
V
MAIN = S3#= 0V
EN toggles from [OFF] to [ON]
I
LOAD < 10mA
C
LOAD = 220F
EN
(5V/div)
FA
U
LT
(10V/div)
V
OUT
(5V/div)
I IN
(50mA/div)
AUX Inrush Current into Small C
LOAD
TIME (100s/div)
V
AUX =5V
V
MAIN = S3# = 0V
EN toggles from [OFF] to [ON]
I
LOAD < 10mA
C
LOAD = 10F
EN
(5V/div)
FA
U
LT
(10V/div)
V
OUT
(5V/div)
I IN
(50mA/div)
Main-to-AUX Cross Conduction
TIME (250s/div)
950s
V
MAIN = VAUX = 5V
S3# toggles from [HI] to [LO]
EN = [ON]
R
LOAD = 50
C
LOAD = 1F
S3#
(5V/div)
I AU
X
(50mA/div)
V
OUT
(5V/div)
I MAIN
(50mA/div)