ADP1612
FEATURES
Current limit 1.4 A for the ADP1612 2.0 A for the ADP 1613
Minimum input voltage 1.8 V for the ADP1612 2.5 V for the ADP1613
Pin-selectable 650 k Hz or 1.3 MHz PWM frequency Adjustable output voltage up to 20 V Adjustable soft start Undervoltage lockout Thermal shutdown 8-lead MSOP Supported by ADIsim Power™ design tool ADIsim Power downloadable design tools for boost, coupled-
SEPIC, and SEPIC Cuk configurations
APPLICATIONS
TFT LCD bias supplies
Portable applications
Industrial/instrumentation equipment
TYPICAL APPLICATION CIRCUIT
L1
ADP1612/
VIN ADP1613
6 VIN
SW 5
3 EN
CIN 1.3MHz
650k Hz
7 FREQ
(DEFAULT)
FB 2
8 SS
P 1
GND 4
D1 VOUT R1
R2
RP CP
COUT
Figure 1. Step-Up Regulator Configuration
06772-001
GENERAL DESCRIPTION
The ADP1612/ADP1613 are step-up dc-to-dc switching converters with an integrated power switch capable of providing an output voltage as high as 20 V. With a package height of less than 1.1 mm, the ADP1612/ADP1613 are optimal...