B1581T-3.0 View Datasheet(PDF) - Bay Linear
Part Name
Description
MFG CO.
'B1581T-3.0' PDF : 6 Pages View PDF
Absolute Maximum Rating
Parameter
Maximum Input Voltage
Power Dissipation
Thermal Resistance Junction to Case
Thermal Resistance Junction to
Ambient
Operating Junction
Temperature Range
Control Section
Power Transistor
Storage Temperature Range
Lead Temperature (Soldering 10
Sec.)
Symbol
VIN
PO
θJC
θJA
TJ
TSTG
TLEAD
Value
7
Internally Limited
3
50
0 to 125
0 to 150
-65 to 150
260
B1581
Unit
V
W
°C/W
°C
Electrical Characteristics
(VIN = 4.75V to 5.25V; IO = 10mA to 5.0Amp, unless otherwise specified)
Parameter
Symbol Conditions
Output Voltage
VO
VCONT=4V, VPWR=2V
VCONT=3V, VPWR=2.3V, ILOAD=10mA to 5A
VCONT=5V, VPWR=3.3V
VCONT=4V, VPWR=3.3V, ILOAD=10mA to 5A
VCONT=5.5V, VPWR=3.5V
VCONT=4.5V, VPWR=3.8V, ILOAD=10mA - 5A
Reference Voltage
Line Regulation (1)
Vref
REG (line)
VCONT=5.8V, VPWR=3.8V
VCONT=4.8V, VPWR=4.1V, ILOAD=10mA - 5A
VCONT=7.5V, VPWR=5.5V
VCONT=6.5V, VPWR=5.8V, ILOAD=10mA- 5A
VCONT=2.75V, VPWR=2V, ILOAD=10mA
VCONT=2.7V, to 12V
VPWR=3.3V to 5.5V, ILOAD=10mA to 5A
IO = 10mA, VIN =5V, T= 25 °C
MIN
1.485
1.475
2.475
2.460
2.970
2.950
3.267
3.247
4.950
4.920
1.238
1.230
Load Regulation (1)
REG (LOAD) IO = 10mA, VIN =5V, T= 25 °C
Dropout Voltage
VPWR-VOUT VCONT=VOUT+2.5V, ILOAD=10mA
VCONT=VOUT+2.5V, ILOAD=5A
Minimum load Current
Imin
Current Limit
IS
(Vin-Vout)=3V
5.5
Ground Pin Current
IQ
VIN =5V
Temperature Stability
TS
IO = 10mA, VIN =5V
Thermal Regulation
T= 25 °C, 30ms pulse
Ripple Rejection
RA
T= 25 °C, VIN =5V
60
Thermal Resistance
-
TO-220
Junction to Tab
Junction to Ambient
DD Package
Junction to Tab
Junction to Ambient
TYP
1.5
2.5
3.0
3.3
5.0
1.250
0.04
MAX
1.515
1.525
2.525
2.540
3.030
3.050
3.333
3.353
5.050
5.080
1.262
1.270
UNIT
V
V
0.2
%
0.08 0.40
0.10 0.17
V
0.55 0.70
5
10
mA
6.8
A
6
10
mA
0.5
%
0.003
%/W
80
dB
3.0
3.0 °C/W
60
60
3.0
3.0
60
60
Note: Output Switch tests are performed under pulsed conditions to minimize power dissipation
Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com
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