Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 989-7144, Fax: (925) 940-9556 www.baylinear.com
B1085
Absolute Maximum Rating
Parameter Symbol Value Unit
Maximum Input Voltage VIN 30 V
Power Dissipation PO Internally Limited W
Thermal Resistance Junction to Case θJC 3
Thermal Resistance Junction to
Ambient θJA 50 °C/W
Operating Junction
Temperature Range
Control Section
Power Transistor
TJ
0 to 125
0 to 150
Storage Temperature Range TSTG -65 to 150
Lead Temperature (Soldering 10
Sec.) TLEAD 300
°C
Electrical Characteristics
(VIN = 4.75V to 5.25V; IO = 10mA to 3.0Amp, unless otherwise specified)
Parameter Symbol Conditions MIN TYP MAX UNIT
1.238 1.262 Reference Vo ltage VO IO = 10mA,T= 25 °C, Vin-Vout =3V
10mA≤IOUT≤IFULL LOAD
1.5V≤(Vin-Vout) ≤25V (Note3)
1.225
1.250
1.270
V
Line Regulation (1) REG ( line) ILOAD = 10mA, 1.5V≤(VIN – VOUT) ≤15V
T= 25 °C
15V≤(Vin-Vout) ≤30V
0.015
0.035
0.05
0.20
0.20
0.50
Load Regulation (1) REG (LOAD) (Vin-Vout)=3V
10mA≤IOUT≤IFULL LOAD
T= 25 °C
0.1
0.2
0.30
0.40
%
Dropout V oltag e VD T= 25 °C
Over Temperature 1.3 1.5 V
Current Limit IS (Vin-Vout)=5V
(Vin-Vout)=25V 3.2
0.2 4
0.5 A
Mi ni mu m L o a d Cu r r e nt IMIN LOAD (Vin-Vout)= 25V 10 10 mA
Temperature Regulation T A T= 25 °C, 30m s pulse 0.004 0.02 %/W
Long Term Stability - T= 25 °C, 1000Hrs 0.3 1
Temperature Stability TS 0.5 %
Adjust pin Current - T= 25 °C
Over Temp. 55
120 µA
Ripple Rejection RA F=120Hz, CADJ=25µF, COUT=25µF Tantalum
IOUT=IFULL LO AD , (Vin-Vout)=3V (Note 5) 60 75 dB
Thermal Resistance - TO-220 Junction to Tab
Junction to Ambient
DD Package Junction to Tab
Junction to Ambient
3.0
60
3.0
60
3.0
60
3.0
60
°C/W
Note: Output Switch tests are performed under pulsed conditions to minimize power dissipation