LM117K/883 National Semiconductor, LM117K/883 Datasheet - Page 16

• Manufacturer Part Number: LM117K/883
• Description: Standard Regulator Pos 1.2V to 37V 1.5A 3-Pin (2+Tab) TO-3 Bag
• Manufacturer: National Semiconductor
• Type: Linearr

Specifications of LM117K/883

• Package: 3TO-3
• Function: Standard
• Number Of Outputs: 1
• Input Voltage Range: 41.25 to 4.25 V
• Output Voltage: 1.2 to 37 V
• Maximum Output Current: 1.5 A
• Output Type: Adjustable
• Operating Temperature: -55 to 125 °C
• Polarity: Positive
• Reference Voltage: 1.3 V
• Voltage Regulator Type: Linear
• Topology: Standard
• Regulator Output Type: Adjustable
• Polarity Type: Positive
• Input Voltage (min): 4.25V
• Input Voltage (max): 41.25V
• Package Type: TO-3
• Output Current: 1.5A
• Power Dissipation: 20W
• Load Regulation: 0.3%
• Line Regulation: 22.2mV
• Operating Temp Range: -55C to 125C
• Operating Temperature Classification: Military
• Pin Count: 2 +Tab
• Mounting: Through Hole
• Lead Free Status / Rohs Status: Not Compliant

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10μF capacitance.
diodes included for use with outputs greater than 25V and
high values of output capacitance.
D1 protects against C1
D2 protects against C2
Typical Applications
*Min. output
†Solid tantalum
*Discharges C1 if output is shorted to ground
FIGURE 3. Regulator with Protection Diodes
5V Logic Regulator with Electronic Shutdown*
≊
1.2V
Figure 3
shows an LM117 with protection
Adjustable Regulator with Improved Ripple Rejection
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16
When a value for θ
heatsink must be selected that has a value that is less than
or equal to this number.
θ
in the catalog, or shown in a curve that plots temperature rise
vs power dissipation for the heatsink.
(H−A)
is specified numerically by the heatsink manufacturer
Slow Turn-On 15V Regulator
20143610
(H−A)
is found using the equation shown, a
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