LM317L Datasheet, PDF (1/1 Pages) Texas Instruments – 3-TERMINAL ADJUSTABLE REGULATOR

WS317L
THREE-TERMINAL
POSITIVE VOLTAGE REGULATOR IC
ABSOLUTE MAXIMUM RATINGS
Power dissipation
Input-Output Voltage Differential
Operating Junction Temperature Range
Storage Temperature
Lead Temperature(Soldering, 4seconds)
Output is Short Circuit Protected
ESD rating to be determined
Internally limited
38V
-20℃ to +85℃
–55℃ to +150℃
260℃
TO-92
WS317LZ
INPUT
OUTPUT
ADJ
A
O
I
ELECTRICAL CHARACTERRISTISTICS
PARAMETER
CONDITIONS
Line Regulation
Load Regulation
Reference Voltage
3V≦(V_IN-V_OUT)≦40V,I_L≦20mA
5mA≦I_OUT≦100mA
5mA≦I_OUT≦100mA
P≦625mW
Adjustment Pin Current
3V≦(V_IN-V_OUT)≦40V
5mA≦IL≦100mA,
Adjustment Pin Current Change
3V≦(VIN-VOUT)≦40V
P≦625mW
Minimum Load Current
Current Limit
RMS Output Noise % of V_OUT
(V_IN-V_OUT)≦40V
3V≦(V_IN-V_OUT)≦15V
3V≦(V_IN-V_OUT)≦13V
(V_IN-V_OUT)=40V
T_J=25,10_HZ≦F≦10KH_Z
Ripple Rejection Ratio
V_OUT=10V,F=120H_Z,C_ADJ=10F
MIN
TYP MAX UNIT
0.02 0.07 %/V
0.3
1.5
%
1.20 1.25 1.30 V
50
100 µA
0.2
5
µA
3.5
5
1.5
2.5 ^mA
90
25
200
50
300
120
mA
0.03
%
58
65
80
dB
Note1:
Note2:
Note3:
Unless otherwise noted, these specifications apply: 0℃≦T_J≦70℃ for the WS317L;V_IN-V_OUT=5V and I_OUT= 40mA.
Although power dissipation is internally limited, these specifications are applicable for power dissipation up to
625mW. I_MAX is 100mA
Regulation is measure at constant junction temperature, using pulse testing with a low duty cycle. Changes in
output voltage due to heating effects are covered under the specification for thermal regulation.
Thermal resistance of the TO-92 package is 180℃/W junction to ambient with 0.4” leads from a PC board and 160
℃/W junction to ambient with 0.125” length to a PC board
Wing Shing Computer Components Co., (H.K.)Ltd.
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