Table of Contents
Advertisement
5
MM1689FH (DTBR ASSY : IC307)
QQ
3 7 63 1515 0
• Dual Regulator
Pin Arrangement (Top view)
NC
GND
Vo2
8
7
6
1
2
3
PS2
PS1
VIN2
Pin Function
No.
Pin Name
TE
L 13942296513
1
PS2
2
PS1
3
VIN2
4
VIN1
5
VOUT1
6
VOUT2
7
GND
8
NC
www
.
5
http://www.xiaoyu163.com
6
Vo1
5
4
Heat Spreader Bottom
VIN1
ON/OFF Control pin
Cont
Vo
H
On
L
OFF
Cont pin must be connected with Vin pin, if it is not used.
ON/OFF Control pin
Input pin
The capacitor is required to connect with input pin more than 1 µ F.
Input pin
Output pin
The capacitor must be connected with output pin more than 1 µ F.
Output pin
Ground
No connection
x
ao
u163
y
i
6
http://www.xiaoyu163.com
7
2 9
8
Block Diagram
VIN1
4
Bias
PS1
2
Reference
Thermal
shutdown
GND
7
3
VIN2
Bias
PS2
1
Reference
Thermal
shutdown
Pin Function
Q Q
3
6 7
1 3
1 5
co
.
DVR-540HX-S
7
8
9 4
2 8
Current
Driver
Limitter
Current
Driver
Limitter
0 5
8
2 9
9 4
2 8
m
9 9
A
5
VO1
B
6 VO2
C
9 9
D
E
F
149
8
Advertisement
Table of Contents
