AN30888A
Product Standards
Page 1 of 21
FEATURES DESCRIPTION
High Brightness LED Driver IC
AN30888A is a Boost / Buck-Boost / Buck DCDC
controller that drives an external power NMOS switch.
It is suitable for driving high brightness LED for LED
lighting applications.
Battery operation : 3 V to 20 V
Output current range : 0 A to a few Amperes depending on
rating of external NMOS and mode
of operation
Current mode control architecture
LED dimming function available by using PWM signal
32 mV / 202 mV reference voltage
Low standby current
Configurable as either Boost / Buck-Boost / Buck mode
converter
Built-in various protection circuit : Under voltage lock out
Over voltage protection
Soft start function
16 pin Plastic Shrink Small Outline Package (SSOP Type)
・LED lighting module
・LED lantern applications
・White LED backlighting for LCD panel
・White LED flash light driving applications
・General LED back lighting
APPLICATIONS
OVP
GNDP
V
IN
L
D
R1
R2
R
CS
V
OUT
I
LED
V
FB
I
PK
2.2 µF
GND
ENB
SW
CS
EN
UVLO
PWM
3.65 V
VREG
1.262 V
VFB_SEL
CONTROL
BGR
VREG
Reference
voltage
11
12
5
6
9
8
1
16
14
4
1 µF
VIN
Buck-Boost Mode
TYPICAL APPLICATION
http://www.semicon.panasonic.co.jp/en/
Notes : This application circuit is an example. The operation of the mass production set is not guaranteed. Customers shall
perform enough evaluation and verification on the design of mass production set. Customers shall be fully responsible
for the incorporation of the above application circuit and information in the design of the equipment.
