p1686 Unisonic Technologies, p1686 Datasheet - Page 3

• Manufacturer Part Number: p1686
• Description: 600khz, 3a Step-down Current Mdoe Switching Regulator
• Manufacturer: Unisonic Technologies

P1686
COMP
SYNC
BLOCK DIAGRAM
EN
FB
6
5
7
8
1V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
REFERENCE
OSCILLATOR
-
EA
UVLO
0.7V
SOFT START
HICCUP
FB
I
S
I
S
SLOPE COMP
FREQUENCY
SLOPE
OL
+
ISEN
PWM
S
R
+
CLK
Q
LINEAR INTEGRATED CIRCUIT
POWER
TRANSISTOR
40m
QW-R103-039.C
1
4
2
3
IN
SW
BS
GND
3 of 6