AP1507-33D5L-U Diodes Inc, AP1507-33D5L-U Datasheet - Page 8

• Manufacturer Part Number: AP1507-33D5L-U
• Description: IC CONV DC/DC 3.0A 3.3V TO252-5
• Manufacturer: Diodes Inc
• Type: Step-Down (Buck)r

Specifications of AP1507-33D5L-U

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 3A
• Frequency - Switching: 150kHz
• Voltage - Input: 4.5 ~ 22 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: DPak, TO-252 (5 leads + tab)
• Output Voltage: 3.3 V
• Switching Frequency: 150 KHz
• Operating Temperature Range: - 40 C to + 125 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 0 % to 100 %
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Typical Application Circuit
(1) Fixed Type Circuit
(2) Adjustable Type Circuit
(3) Delay Start Circuit
AP1507 Rev. 2
Capacitor
DC Input
DC Input
Capacitor
Capacitor
DC Input
12V
C
12V
in
12V
C
C
in
in
C
0.1uF
V
DELAY
V
in
V
in
R2
R2
in
1
V
V
R2 = 1K ~ 3K
1
1
out
FB
5
5
5
SD
SD
SD
AP1507
= 1.23V
R
AP1507
AP1507
= V
10K
DELAY
4
-33
4
4
FB
FB
FB
FB
www.diodes.com
×
3
3
3
(1 +
2
2
GND
GND
2
GND
8 of 11
150KHz, 3A PWM BUCK DC/DC CONVERTER
Output
Output
Output
R2
R1
)
Schottky Diode
Schottky Diode
R1
R1
Schottky
Diode
D1
D1
D1
Inductor
47uH
47uH
33uH
L1
L1
L1
Capacitor
Capacitor
Capacitor
Co
Output Load
Co
Output Load
Co
Output Load
5V/ 3A
3.3V/3A
5V/ 3A
FEBRUARY 2008
©
AP1507
Diodes Incorporated