AP8801SG-13 Diodes Zetex, AP8801SG-13 Datasheet - Page 3

• Manufacturer Part Number: AP8801SG-13
• Description: Conv DC-DC Single Step Down 8V to 48V 8-Pin SOP T/R
• Manufacturer: Diodes Zetex
• Type: Step Downr

Specifications of AP8801SG-13

• Package: 8SOP
• Number Of Outputs: 1
• Minimum Input Voltage: 8 V
• Maximum Input Voltage: 48 V
• Switching Frequency: 500 KHz
• Maximum Output Current: 0.5 A
• Output Type: Fixed
• Output Voltage: -0.3 to 50 V
• Switching Regulator: Yes
• Efficiency: 92 %
• Operating Temperature: -40 to 105 °C

Pin Descriptions
Block Diagram
AP8801 Rev. 4
DS31765
Pin Name
CTRL
GND
SET
SW
NC
V
IN
CTRL
Description
Switch Pin. Connect inductor/freewheeling diode here, minimizing track length at this pin to
reduce EMI.
GND pin
Set Nominal Output Current Pin. Configure the output current of the device.
Dimming and On/Off Control Input. Input voltage of 0.2V or lower forces the device into low
current standby mode and shuts off the output. A PWM signal allows the output current to be
adjusted above or below the level set by the resistor connected to SET input pin.
The input impedance is about 50kΩ, and if the pin is left open V
Input Supply Pin. Must be locally bypassed.
No connection
GND
V
IN
V
PWM/DC
REF
Control
1.25V
Figure 2: AP8801 Block Diagram
www.diodes.com
AP8801
3 of 11
Regulator
Voltage
5V
R
500mA LED Step-down Converter
Sensing
Block
CTRL
= V
SET SW
REF
DECEMBER 2009
©
AP8801
Diodes Incorporated