ADP3303
FEATURES
High accuracy over line and load ±0.8% at +25°C, ±1.4% over temperature
Ultralow dropout voltage: 180 m V (typical) at 200 m A Requires only CO = 0.47 μF for stability any CAP = stable with all types of capacitors (including MLCC) 3.2 V to 12 V supply range Current and thermal limiting Low noise Dropout detector Low shutdown current: < 1 μA Thermally enhanced SOIC_N package Excellent Line and Load Regulation Performance
APPLICATIONS
Cellular telephones Notebook, palmtop puters Battery powered systems Portable instruments Post regulator for switching supplies Bar code scanners
FUNCTIONAL BLOCK DIAGRAMS
ERR Q2
Q1
THERMAL PROTECTION
DRIVER
CC gm
BANDGAP REF
Figure 1. Functional Block Diagram
OUT R1
R2
VIN C1
0.47µF
NR 3
ADP3303-5.0
7 IN 8
1 OUT
SD 5
ON OFF
ERR 6
GND 4
330kΩ EOUT
VOUT = +5V C2 0.47µF
Figure 2. Typical Application Circuit
GENERAL DESCRIPTION
The ADP3303 is a member of the ADP3300, ADP3301, and ADP3309 family of precision low...
