LM317K STMicroelectronics, LM317K Datasheet - Page 11
LM317K
Manufacturer Part Number
LM317K
Description
IC REG LDO ADJ 1.5A TO-3
Manufacturer
STMicroelectronics
Type
Voltage Regulatorr
Specifications of LM317K
Regulator Topology
Positive Adjustable
Voltage - Output
1.2 ~ 37 V
Number Of Regulators
1
Current - Output
1.5A (Min)
Operating Temperature
0°C ~ 125°C
Mounting Type
Through Hole
Package / Case
TO-204, TO-3
Polarity
Positive
Number Of Outputs
1
Output Type
Adjustable
Output Voltage
1.2 V to 37 V
Output Current
500 mA
Line Regulation
0.04 % / V
Load Regulation
0.5 %
Input Voltage Max
40 V
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
0 C
Mounting Style
Through Hole
Reference Voltage
1.3 V
Current, Output
1.5 A
Output Noise, Rms
0.003 %
Package Type
TO-3
Pin Current, Adjustable
50 μA (Typ.)
Power Dissipation
Internally Limited
Regulation, Line
0.02 %/V
Regulation, Load
20 mV
Regulator Type
Positive Voltage Out
Resistance, Thermal, Junction To Case
4 °C/W
Temperature, Operating, Maximum
125 °C
Temperature, Operating, Minimum
0 °C
Temperature, Operating, Range
0 to +125 °C
Temperature, Stability
1 %
Voltage Input-output Differential
40 V
Voltage, Noise
0.003 %/V
Voltage, Output
1.2 to 37 V
Voltage, Supply, Rejection Ratio
80 dB
Output Voltage Range
1.2 to 37v
Voltage Regulator Type
Linear
Topology
Standard
Regulator Output Type
Adjustable
Polarity Type
Positive
Operating Temp Range
0C to 125C
Operating Temperature Classification
Commercial
Pin Count
2 +Tab
Mounting
Through Hole
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Input
-
Voltage - Dropout (typical)
-
Current - Limit (min)
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-6435
LM317K
LM317K
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Quantity
Price
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LM117, LM217, LM317
Figure 11. Digitally selected outputs
Figure 12. Battery charger (12 V)
(R
* R
2
S
charged battery.
sets maximum V
sets output impedance of charger Z
O
)
Doc ID 2154 Rev 16
O
= R
S
(1 + R
2
/R
1
). Use of R
S
allows low charging rates whit fully
Application information
11/25