AP1507-33D5L-U Diodes Inc, AP1507-33D5L-U Datasheet - Page 2

• 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

Pin Assignments
Block Diagram
AP1507 Rev. 2
FB
Metal Tab GND
Current
Source
TO252-5L
Bias
(Top View)
Reference
1.235V
+
_
Amp
3 GND
1 V
5 SD
2 Output
4 FB
Frequency
Compen-
IN
Regulator
sation
2.5V
www.diodes.com
Comp
2 of 11
+
_
150KHz, 3A PWM BUCK DC/DC CONVERTER
Start
150kHz
OSC.
Up
SD
Pin Descriptions
Output
Name
GND
V
SD
FB
Driver
Pre-
IN
Comp
Shutdown
Comp
Thermal
200mV
_
+
+
_
Operating Voltage Input
Switching Output
Ground
Output Voltage Feedback Control
ON /OFF Shutdown
220mV
Description
Switch
3A
FEBRUARY 2008
©
Output
AP1507
V
GND
Diodes Incorporated
IN