Bay Linear, Inc 2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com
1.0Amp Low Dropout Voltage Regulator
B033
Adjustable & Fix (0.40Volt Dropout)
Pin Connection
Ordering Information
Devices
Package
Temp.
B033D-X
TO-252
0
°C to 125 °C
B033N-X
TO-223
0
°C to 125 °C
B033T-X
TO-220
0
°C to 125 °C
B033S-X
TO-263
0
°C to 125 °C
Description
The Bay Linear B033 is a three terminal positive NPN
regulator offered as adjustable or fix voltages of 1.8V, 2.5V,
3.0V, 3.3V, and 5Volts. The output current has a capability up
to
1.0Amp,. This device has been optimized for low voltage
where transient response and minimum input voltage are
critical. The 2.85V version is designed specifically to be used
in active terminators for SCSI bus.
Current limit is trimmed to ensure specified output current and
controlled short-circuit current. On-Chip thermal limiting
provides protection against any combination of overload and
ambient temperatures that would create excessive junction
temperatures.
The B033 is offered in a 3-pin SOT-223, and TO-252 (DPAK)
packages compatible with other 3 terminal regulators. 5-pin
version in TO-263 with lower dropout of 0.4 volt is
available.
Features
•
Adjustable Output Down to 1.2V
•
Output Current of 1.0Amp
•
Low Dropout 1.0V for B033
•
Dropout of 0.40 V in for B033A
•
Adjustable & Fix 1.8V, 2.5V, 3.0V, 3.3V,
5.0V
•
Current & Thermal Limiting
•
Lower Cost SOT-89 Package
•
Available in SOT-223, and TO-252, &
TO-263
• Similar to industry BAOOT/FP
Applications
•
Active SCSI terminators
•
High efficiency Linear Regulator
•
Post regulators fro Switching Supplies
•
Battery Charger
•
5V to 3.3V linear Regulators
•
Motherboard Clock Supplies
V
POWER
OUTPUT
1
2
3
4
5
V
CONTROL
ADJ/GND.
SENSE
TO-263-5 Package
V
POWER
V
POWER
OUTPUT
1
2
3
4
5
V
CONTROL
V
CONTROL
ADJ/GND.
SENSE
TO-263-5 Package
Bay Linear
Inspire the Linear Power
Tab V
OUT
SOT-223
Tab V
OUT
Front View
SOT-223-5
4
1
5
23
#1 Sense
#2 Adj/GND
#3 OUT
#4 Control
#5 VIN
Tab V
OUT
SOT-223
Tab V
OUT
Front View
SOT-223-5
4
1
5
23
#1 Sense
#2 Adj/GND
#3 OUT
#4 Control
#5 VIN
Front View
TO-252
Vcc
Vout
GND
1
23
Front View
TO-252
Vcc
Vout
GND
1
23
IN
OUT
Adj/GND
Tab V
Front View
SOT-223
OUT
GND
VCC
Tab GND
Front View
SOT-223
IN
OUT
Adj/GND
Tab V
Front View
SOT-223
OUT
GND
VCC
Tab GND
Front View
SOT-223
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