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Technical content

Page 1

3-terminal 1 A positive voltage regulator

PDF page 1 diagram

Features

  • Output Current up to 1 A
  • Thermal Overload Protection
  • Short Circuit Protection
  • Output Transistor Safe Operating Area Protection

TO-220 Plastic Package

Absolute Maximum Ratings (Ta = 25 OC)

Parameter Symbol Value Unit
Input Voltage V I 35 V
Thermal Resistance Junction-Cases R θJC 5 OC/W
Thermal Resistance Junction-Air R θJA 65 OC/W
Operating Temperature Range T OPR 0 to + 125 OC
Storage Temperature Range T S - 65 to + 150 OC

Electrical Characteristics

(0 OC < TJ < 125 OC, IO = 500 mA, VI = 16 V, CI = 0.33 µF, CO = 0.1 µF, unless otherwise specified)

Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage V O T = 25 OC J 9.6 10 10.4 V
5 mA  I  1 A, P  15 W O O V = 12.5 V to 25 V I 9.5 10 10.5
Line Regulation 1) Regline T = 25 OC J V = 12.5 V to 25 V I - - 200 mV
V = 13 V to 20 V I - - 100
Load Regulation 1) Regload T = 25 OC J I = 5 mA to 1.5 A O - - 200 mV
I = 250 mA to 750 mA O - - 100
Quiescent Current I Q T = 25 OC J - - 8 mA
Quiescent Current Change I Q I = 5 mA to 1 A O - - 0.5 mA
V = 13 V to 29 V I - - 1
Output Voltage Drift V /T O I = 5 mA O - -1 - mV/OC
Output Noise Voltage V N f = 10 Hz to 100 KHz, T = 25 OC a - 58 - µV
Ripple Rejection RR f = 120 Hz, V = 14 V to 24 V I 56 - - dB
Dropout Voltage V Drop I = 1 A, T = 25 OC O J - 2 - V
Output Resistance R O f = 1 KHz - 17 - mΩ
Short Circuit Current I SC V = 35 V, T = 25 OC I a - 250 - mA
Peak Current I PK T = 25 OC J - 2.2 - A

1) Load and line regulation are specified at constant junction temperature, Changes in VO due to heating effects must be taken into account separately, Pulse testing with low duty is used.

Page 2

Typical Performance Characteristics

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Page 3

TO-220 PACKAGE OUTLINE

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PDF page 3 diagram