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Bay Linear
Bay Linear

B033 Datasheet Preview

B033 Datasheet

1.0 Amp Low Dropout Voltage Regulator

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B033 pdf
Bay Linear
Inspire the Linear Power
1.0Amp Low Dropout Voltage Regulator
Adjustable & Fix (0.40Volt Dropout)
B033
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
Pin Connection
TO-252
1 23
Vcc GND Vout
Front View
SOT -223
Tab VGND
Adj/GVNCCD OGUNTD IONUT
Front View
Ordering Information
Devices
B033D-X
B033N-X
B033T-X
B033S-X
Package
TO-252
TO-223
TO-220
TO-263
Temp.
0 °C to 125 °C
0 °C to 125 °C
0 °C to 125 °C
0 °C to 125 °C
SOT -223-5
Tab V OUT
1234 5
Front View
#1 Sense
#2 Adj/GND
#3 OUT
#4 Control
#5 VIN
5 VPOWER
4 VCONTROL
3 OUTPUT
2 ADJ/GND.
1 SENSE
TO-263-5 Package
Bay Linear, Inc 2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com



Bay Linear
Bay Linear

B033 Datasheet Preview

B033 Datasheet

1.0 Amp Low Dropout Voltage Regulator

No Preview Available !

B033 pdf
B033
Absolute Maximum Rating
Parameter
Maximum Input Voltage
Operating Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering 10 Sec.)
Min Max
7.0
0 125
-65 150
300
Unit
V
°C
Electrical Characteristics
(VIN = 7V; TJ=25°C IO = 10mA to 1.0Amp, unless otherwise specified)
Parameter
Symbol Conditions
Reference Voltage
VO B033-adj, IOUT=10mA, VIN-VOUT=2V, TJ=25°C
1.5V(VIN-VOUT) 5.75V
10mAIOUTIFULL LOAD
Line Regulation (1)
REG (line) (VOUT+1.5)VIN7V, IOUT=10mA
MIN
1.213
1.200
-3%
Load Regulation (1)
Output Voltage
Dropout Voltage (3 pin)
Dropout Voltage (5pin)
Current Limit
Minimum Load Current
Temperature Regulation
Long Term Stability
Temperature Stability
Adjust pin Current
Ripple Rejection
Thermal Shutdown
Thermal Shutdown
Hysterics
Thermal Resistance
Junction to case
REG (LOAD)
VO
VD
VD
IS
(Vin-Vout)=2V
10mAIOUTIFULL LOAD
T= 25 °C
B033-1.8 IOUT=10mA, VIN=3.8V, TJ=25°C
0IOUT1.0Amp, 3.2VVIN7V
B033-2.5 IOUT=10mA, VIN=4.5V, TJ=25°C
0IOUT1.0Amp, 4.0VVIN7V
B033-3.0 IOUT=10mA, VIN=4.85V, TJ=25°C
0IOUT1.0Amp, 4.35VVIN7V
B033-3.3 IOUT=10mA, VIN=5.0V, TJ=25°C
0IOUT1.0Amp, 4.8VVIN7V
B033-5.0 IOUT=10mA, VIN=6.0V, TJ=25°C
0IOUT1.0Amp, 6.5VVIN7V
Control Input
VPOWER=VOUT+0.8, ILOAD =10mA
VPOWER=VOUT+0.8, ILOAD =1.0Amp,
Power Input
VCONTROL=VOUT-+2.5V, ILOAD=1.0Amp,
(Vin-Vout)=2V
IMIN LOAD
TA
-
TS
-
RA
1.5V(VIN-VOUT) 5.75V
T= 25 °C, 30ms pulse
T= 25 °C, 1000Hrs
T= 25 °C
F=120Hz, CADJ=22µF, COUT=22µF Tantalum
IOUT=IFULL LOAD, (Vin-Vout)=3V (Note 5)
-
SOT-223
DD Package
1.710
2.375
2.850
3.13
4.750
1.0
10
60
TYP
1.250
1.250
0.010
MAX
1.288
1.300
+3%
0.6
UNIT
V
V
%
0.10 0.9
1.80 1.890
2.50 2.625
3.00 3.150
3.30 3.470
5.00 5.250
V
V
V
V
V
0.80 1.00
0.80 1.10
0.35 0.40
V
V
1.1 A
mA
0.004 0.02 %/W
0.03 1.0
%
0.5 %
35 120 µA
75 dB
155 °C
10 °C
15 15 °C/W
3.0 3.0
Note: Output Switch tests are performed under pulsed conditions to minimize power dissipation
Bay Linear, Inc 2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com


Part Number B033
Description 1.0 Amp Low Dropout Voltage Regulator
Maker Bay Linear
Total Page 7 Pages
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