Bay Linear, Inc
2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 989-7144, Fax: (925) 940-9556
www.baylinear.com
TO-220-5 Package
Top View
BAY
B29151/52/53
12 3 4 5
OUTPUT
GND
FLAG
1)
3)
4)
5)
2) INPUT
ENABLE
OUTPUT
GND
ADJUST
1)
3)
4)
5)
2) INPUT
ENABLE
OUTPUT
GND
ADJUST
1)
3)
4)
5)
2) INPUT
FLAG
B29151
B29152
B29153
1.5A High Current Low Dropout
B29150
Voltage Regulator Adjustable & Fix Output
Preliminary Information
Pin Connection
Ordering Information
Devices
Package
Temp.
B29150T
TO-220-3
-40
°C to 125 °C
B29151/2/3T
TO-220-5
-40
°C to 125 °C
B29150S
TO-263-3
-40
°C to 125 °C
B29151/2/3S
TO-263-5
-40
°C to 125 °C
B29150J
LPDD-3
-40
°C to 125 °C
B29151/2/3J
LPDD-5
-40
°C to 125 °C
Description
The Bay Linear B29150 is a 1.5A high accuracy, low dropout
voltage regulator with only 350mV(Typ.)@ 1.5A). The B29150 is
designed for low voltage a application that requires lower dropout
voltage and faster transient response. This device is an excellent
choice for use in powering low voltage microprocessor that require
a lower dropout, faster transient response to regulate from +2.5V to
3.8V supplies and as a post regulator for switching supplies
applications.
The B29150 offers full protection against over-current faults,
reversed input polarity, reversed load insertion, and positive and
negative transient voltage. On-Chip trimming adjusts the reference
voltage to 1%. Features such as Enable pin, Error Flag pin are also
included in the 5 pin packages
. The B29150 is offer in a new LPDD
(Low Profile TO-263) package from 4.47 mm (DD) tickness down
to only 1.27 mm (LPDD) total tickness.
The B29150 are offered in a 3 & 5-pin TO-220 & TO-263 package
compatible with other 3 terminal regulators. For a 3A low dropout
regulator refer to the B39300 data sheet.
Features
•
Adjustable & Fix Output
•
1% output accuracy @2.5V, 3.3V, @ 5.0V
•
Output Current of 1.5A
•
Low Dropout Voltage of 350mV @ 1.5A
•
Extremely Tight Load & Line Regulation
•
Reverse-battery and “Load Dump” Protection
•
Zero Current Shutdown Mode (5-pin version)
•
Error Flag Signal Output-of-Regulation (5-pin
version)
•
Offer in TO-263, TO-220, & New Slim LPDD
• Similar to industry Standard MIC29150
Applications
•
Powering VGA & Sound Card
•
LCD Monitor
•
USB Power Supply
•
SMPS Post Regulator
•
High Efficiency ”Green” Computer System
•
Adjustable Power Supply
Bay Linear
Bay Linear
Bay Linear
Bay Linear
Inspire the Linear Power
Inspire the Linear Power
Inspire the Linear Power
Inspire the Linear Power
TO-263-3 Package
V
OUT
GND
V
IN
BAY
B29150
Front View
12
3
OUTPUT
TO-263-5 Package
Top View
45
BAY
B29151/52/53
3
2
1
GND
FLAG
1)
3)
4)
5)
2) INPUT
ENABLE
GND
ADJUST
1)
3)
4)
5)
2) INPUT
ENABLE
GND
ADJUST
1)
3)
4)
5)
2) INPUT
FLAG
OUTPUT
OUTPUT
B29151
B29152
B29153
Front View
TO-220-3 Package
BAY
B29150
V
IN
V
OUT
GND
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