AZ2940_11 Datasheet, PDF (1/22 Pages) BCD Semiconductor Manufacturing Limited – 1A ULTRA LOW DROPOUT LINEAR REGULATOR

Data Sheet
1A ULTRA LOW DROPOUT LINEAR REGULATOR
General Description
Features
AZ2940
The AZ2940 is a low dropout three-terminal regulator _{· Minimum Guaranteed Output Current: 1A}
with a typical dropout of 280mV at 1A output current. _{· Dropout Voltage at IOUT=1A: 280mV Typ.}
(Except 1.2V and 1.8V Versions)
The AZ2940 provides current limit and thermal shut-
down. On-chip thermal shutdown provides protection
against any combination of high current and ambient
·
·
Output Accuracy: ± 1%
Low Ground Current
temperature that would create excessive junction tem- ^{· Internal Current Limit and Thermal Protection}
peratures.
· Reversed-battery and Reversed-lead Insertion
Protection
The AZ2940 has 1.2V, 1.8V, 2.5V, 3.3V and 5.0V ver- · Fast Transient Response
sions.
The AZ2940 series is available in the industry standard
TO-220-3, TO-263-3, TO-252-2 (1), TO-252-2 (3) and
SOT-223 power packages. (Detailed information
please refer to page 4)
Applications
· LCD TV
· Set Top Box
· LCD Monitor
· SMPS Post Regulator
· Laptop, Palmtop and Notebook
· Portable Instrumentation
· USB Power Supply
TO-220-3
TO-263-3
SOT-223
Sept. 2011 Rev. 2. 4
TO-252-2 (1)
TO-252-2 (3)
Figure 1. Package Types of AZ2940
BCD Semiconductor Manufacturing Limited
1