ap1506-50t5r Diodes, Inc., ap1506-50t5r Datasheet - Page 8

• Manufacturer Part Number: ap1506-50t5r
• Description: 150khz, 3a Pwm Buck Dc/dc Converter
• Manufacturer: Diodes, Inc.

Typical Application Circuit
(1) Fixed Type Circuit
(2) Adjustable Type Circuit
(3) Delay Start Circuit
Notes:
AP1506 Rev. 5
4. For up to 2A = DFLS230L (V
For up to 3A = B340LA, B340LB (V
Capacitor
Capacitor
Capacitor
DC Input
C
DC Input
DC Input
C
C
12V
in
in
12V
in
12V
0.1uF
C
DELAY
V
V
f
in
V
= 0.42V)
in
R2
R2
in
1
1
V
V
R2 = 1K ~ 3K
1
5
5
out
FB
5
f
SD
SD
= 0.45V)
SD
AP1506
AP1506
= 1.23V
R
= V
10K
AP1506
DELAY
- 33
4
4
4
FB
FB
FB
FB
www.diodes.com
×
3
(1 +
3
3
GND
2
GND
2
GND
2
8 of 12
R2
R1
Output
Output
150KHz, 3A PWM BUCK DC/DC CONVERTER
Output
)
Schottky Diode
R1
R1
Schottky Diode
Schottky Diode
D1*
Inductor
D1*
33 uH
D1*
47uH
47uH
L1
L1
L 1
Capacitor
Capacitor
Capacitor
Co
Co
Co
Output Load
Output Load
Output Load
3.3V/3A
5V/ 3A
5V/ 3A
©
AP1506
Diodes Incorporated
MAY 2008