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TK11817

TOKO
Part Number TK11817
Manufacturer TOKO
Description DC-DC CONVERTER
Published Apr 16, 2005
Detailed Description TK11816, TK11817, TK11818, TK11819 DC-DC CONVERTER FEATURES s s s s s s Miniature Package (SOT-23L-6) Few External Compo...
Datasheet PDF File TK11817 PDF File

TK11817
TK11817

Overview
TK11816, TK11817, TK11818, TK11819 DC-DC CONVERTER FEATURES s s s s s s Miniature Package (SOT-23L-6) Few External Components Internal Rectifier and Regulator Wide Input Voltage Range (1.
1 to 18 V) Selectable Output Voltages Single Battery Cell Operation APPLICATIONS s s s s s s s s s Variable Capacitance and PIN Diode Bias Portable Instrumentation Radio Control Systems Mobile Radios Cellular Telephones Cordless Telephones Fiber-Optic Receivers Local Area Network (LAN) Receivers Battery Operated Equipment DESCRIPTION The TK1181x series devices generate DC output voltages ranging from 7.
2 to 32 V.
Each device provides two regulated output voltages selectable by a single jumper.
Designed for step-up operation, these devices will operate with an input voltage as low as 1.
1 V, thus allowing single battery cell operation.
These converters have a built-in relaxation oscillator.
The frequency of operation is determined by external component values.
The built-in rectifier combined with an internal temperature compensated reference allows stable output voltages with minimal external components.
These devices are available in a miniature SOT-23L-6 surface mount package.
An optimized surface mount inductor is available from TOKO (P/N: 395GN-0091IB).
BLOCK DIAGRAM VIN OSC 01 S TK11816 TK11818 TK11817 TK11819 VIN OSC DK T1 GND VOUT ORDERING INFORMATION DK STARTUP CIRCUIT TK11816M TK11817M TK11818M TK11819M Tape/Reel Code TAPE/REEL CODE TL: Tape Left GND OSCILLATOR VOUT FEEDBACK CONTROL REFERENCE VOLTAGE T1 January 1999 TOKO, Inc.
Page 1 TK11816, TK11817, TK11818, TK11819 ABSOLUTE MAXIMUM RATINGS Input Voltage 20 V Power Dissipation (Note 1) .
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200 mW Junction Temperature .
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150 °C Operating Voltage Range (TK11816) .
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.
1.
1 to 13 V Operating Voltage Range (TK11817) .
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1.
1 to 15 V Operating Voltage Range (TK11818) .
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