B4251CK5-3.1 View Datasheet(PDF) - Bay Linear
Part Name
Description
MFG CO.
'B4251CK5-3.1' PDF : 5 Pages View PDF
B4251
Absolute Maximum Ratings
Parameter
Input Voltage
Output Current
Output Voltage
On/Off Voltage
Continual Total Power Dissipation
Operating Ambient Temperature
Storage Temperature
SOT-25
SOT-89
Symbol
VIN
IOUT
VOUT
On/Off
Pd
TOPR
TSTG
Ratings
12
500
VSS -0.3 to VIN 0.3
VSS -0.3 to VIN+ 0.3
150
300
-30 to 80
-40 to 125
Units
V
mA
V
V
mW
°C
°C
Electrical Characteristics (Ta = 25°C, VIN = VOUT + 0.5V; unless otherwise noted)
Parameter
Conditions
MIN TYP MAX
Output Voltage Accuracy
Line Regulation
∆VOUT/∆VIN-VOUT
IO = 1mA
IO = 0 to 150mA
IO= 100mA,
(VOUT + 0.1V)<VIN<6V
-1.4% - +1.4%
-2%
-
+2%
0.2 0.3
UNIT
V
%/V
Load Regulation
VIN 6V, 0mA < IO < 120mA COUT = 1µF
0.01 0.04 %/mV
Maximum Output Current
Current Limit
Shutdown Supply Current
Shutdown Input Bias Current
Shutdown Exit Delay
Shutdown Input Threshold Low
Shutdown Input Threshold High
Ground Pin Current
Dropout Voltage
Thermal Shutdown Temperature
TA=25°C
VSHDN=VIN, TA=25°C
CBP=0µF COUT=1µF, IO = 1mA
Vin=2.5 to 5.5V
Vin=2.5 to 5.5V
IOUT = 0mA……150mA
IO = 150mA
IO = 250 mA
250
mA
160 500
0.01 1
µA
0.01 100 nA
30 150 µsec
0.4
V
2
V
2
5
µA
160
200
250
280
mV
155
°C
Marking Format
SOT-25
FXWW
F = B4251
Variables
X = Voltage Codes WW = Work Week Code
B = 2.0 F = 3.3
SOT-25 = 01 to 99
C = 2.5 G = 3.5
D = 2.8 H = 5.0
E = 3.0
Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com
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