ncp1523b ON Semiconductor, ncp1523b Datasheet - Page 2

• Manufacturer Part Number: ncp1523b
• Description: 3 Mhz, 600 Ma, Highefficiency, Adjustable Output Voltage Stepdown Converter
• Manufacturer: ON Semiconductor

V
Enable
4.7 mF
BATTERY
GND
GND
V
EN
C1
A2
A1
B2
IN
Thermal Shutdown
OFF
Logic Control &
V
IN
C
Figure 2. Simplified Block Diagram
IN
ON
Figure 1. NCP1523 Typical Applications
Control
TYPICAL APPLICATIONS
Mode
C1
A2
A1
B2
http://onsemi.com
V
GND
GND
EN
Q1
Reference Voltage
IN
NCP1523
I
LIMIT
2
Q2
V
ADJ
OUT
SW
FB
Comp
D1
C2
D2
B1
SW
V
ADJ
FB
B1
D1
C2
D2
OUT
L
R1
R2
V
C
OUT
OUT
2.2 mH
R1
R2
4.7 mF