el7571c ETC-unknow, el7571c Datasheet - Page 13

• Manufacturer Part Number: el7571c
• Description: Programmable Controller
• Manufacturer: ETC-unknow

Block Diagram
4.5V to
12.6V
L
2
1.5µH
240pF
220pF
(0:4)
3mF
VID
C
1
C
SLOPE
C
ENABLE
OSC
V
IN
OTEN
Reference
Oscillator
4V
3.5V
+
+
-
-
UVLO HI
UVLO LOW
0.1µF
REF
Ramp Control
DAC
FB
C
S
+
+
+
+
+
+
-
-
-
-
-
-
Soft
Start
13
Regulation
Current Reversal
ENABLE
In
PWRGD
Control Logic
PWM
Programmable PWM Controller
GND
V
GNDP
LSD
INP
V
LX
HI
HSD
EL7571C
0.1µF
5.1µH
7.5m
L
1
V
OUT
C
6mF
2