Data sheet, White led step-up converter ap3019a, Pin configuration – Diodes AP3019A User Manual
Page 2: Pin description, Pin number pin name function
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Data Sheet
WHITE LED STEP-UP CONVERTER AP3019A
May. 2010 Rev. 1.8 BCD Semiconductor Manufacturing Limited
2
SW
GND
FB
CTRL
V
OUT
V
IN
1
2
3
4
5
Pin 1 Dot by Marking
6
Pin Configuration
K/KT Package
(SOT-23-6/TSOT-23-6)
Figure 2. Pin Configuration of AP3019A (Top View)
Pin Description
Pin Number
Pin Name
Function
1 SW
Switch pin. Connect external inductor
2 GND
Ground
3 FB
Voltage feedback pin. Reference voltage is 200mV
4 CTRL
Shutdown and dimming pin. Connect to 1.8V or higher to enable
device; Connect to 0.5V or less to disable device; Connect to a PWM
signal to achieve LEDs brightness dimming
5 V
OUT
Output pin. Connect to the cathode of internal Schottky diode
6 V
IN
Input supply pin. Must be connected to a local bypass capacitor