B1129-3.3 View Datasheet(PDF) - Bay Linear
Part Name
Description
MFG CO.
'B1129-3.3' PDF : 4 Pages View PDF
ABSOLUTE MAXIMUM RATINGS
Lead Temp. (Soldering, 5 Seconds).................................260°C
Storage Temperature Range.............................. -65° to +150°C
Operating Junction Temperature Range
B1129/2941 Control Section ..................... -45°C +125°C
B1129/2941 Power Transistor....................-45°C +150°C
B1129
Input Voltage ........................................................26V
Maximum Output Current....................................3.5A
Input Supply Voltage (Note1) (Survival)-20V to +60V
ELECTRICAL CHARACTERISTICS (NOTE 1) at IOUT = 5mA, V IN =V OUT + 1V, I l = 1000mA, C L = 10µF. Ta=25°C, unless otherwise
specified. The B1129 is programmed to output 5V and has V SHUTDOWN ≤ 0.6V
PARAMETER
CONDITIONS
Typ
B1129
Units
Min
Max
3.3V Version2.
Output Voltage (Note 2)
5.0V Version
IOUT = 5mA
5mA ≤IOUT≤1.00A, 4.75V≤VIN ≤26V
3.30
3.250
3.350
V
3.30
3.200
3.400
Output Voltage (Note 2)
Output Voltage
Accuracy
All Voltage Options
Line Regulation
Load Regulation
Dropout Voltage
IOUT = 5mA
5mA ≤IOUT≤1.00A, 5.5V≤VIN ≤26V
5mA ≤IOUT≤1.0 A
IO = 5mA, (VOUT + 1V) ≤ VIN≤ 26V
VIN = VOUT + 5V, 5mA ≤ IOUT≤ 1 A
(Note 2, 6)
IO = 10mA
5.00
4.925
5.075
V
5.00
4.850
5.150
-1
1
%
-2
2
-2.5
2.5
1.5
10
mA
6
20
mA
40
200
mV
IO = 500mA
370
450
IO = 1.00A
450
550
Ground Current
IO = 10mA, VIN = VOUT, +1V
310
IO = 500mA, VIN = VOUT, +1V
25
IO = 1.00A
50
IGNDDO Ground Pin Current at VIN = 0.5V less than specified VOUT IOUT = 10mA
0.9
Dropout
450
µA
45
mA
80
mA
Current Limit
VOUT = 0V (Note 4)
1.7
1.5
A
Output Noise Voltage
(10Hz to 100kHz)
IL = 100mA
Reference Voltage
Reference Voltage
CL = 10µF
CL = 33µF
(Note 8)`
400
260
1.235
1.223
1.210
1.204
1.247
1.260
1.266
µV RMS
V
Vmax
V
Adjust Pin
Bias Current
Reference Voltage
Temperature
Coefficient
Adjust Pin Bias
Current Temperature
Coefficient
(Note 7)
40
80
nA
120
20
ppm/°C
0.1
nA/°C
Bay Linear, Inc 2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 989-7144, Fax: (925) 940-9556
www.baylinear.com
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