AP1509-12SL-13 Diodes Inc, AP1509-12SL-13 Datasheet - Page 3

• Manufacturer Part Number: AP1509-12SL-13
• Description: IC CONV DC/DC SD 2A 12V 8-SOIC
• Manufacturer: Diodes Inc
• Type: Step-Down (Buck)r

Specifications of AP1509-12SL-13

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 12V
• Current - Output: 2A
• Frequency - Switching: 150kHz
• Voltage - Input: 4.5 ~ 22 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Output Voltage: 12 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 Descriptions
Functional Block Diagram
AP1509
Document number: DS31016 Rev. 4 - 2
Pin Name
FB
Output
GND
SD
V
FB
IN
Current
Source
bias
Operating voltage input
Switching output
Ground
Output voltage feedback control
ON/OFF Shutdown
Reference
1.235V
+
_
Amp
Description
Frequecy
compen-
Regulator
sation
2.5V
www.diodes.com
Comp
+
_
3 of 13
Start
150kH
150KHz, 2A PWM BUCK DC/DC CONVERTER
OSC.
up
SD
z
driver
Pre-
Comp
Comp
200mV
Shutdown
Thermal
_
+
+
_
220mV
Switch
2A
AP1509
© Diodes Incorporated
GND
Output
V
IN
June 2010