TK11818 데이터 시트보기 (PDF) - Toko America Inc
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TK11818 Datasheet PDF : 8 Pages
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FEATURES
s Miniature Package (SOT-23L-6)
s Few External Components
s Internal Rectifier and Regulator
s Wide Input Voltage Range (1.1 to 18 V)
s Selectable Output Voltages
s Single Battery Cell Operation
DESCRIPTION
TK11816, TK11817,
TK11818, TK11819
DC-DC CONVERTER
APPLICATIONS
s Variable Capacitance and PIN Diode Bias
s Portable Instrumentation
s Radio Control Systems
s Mobile Radios
s Cellular Telephones
s Cordless Telephones
s Fiber-Optic Receivers
s Local Area Network (LAN) Receivers
s Battery Operated Equipment
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).
TK11816 TK11817
TK11818 TK11819
VIN
T1
01S
OSC
GND
DK
VOUT
BLOCK DIAGRAM
ORDERING INFORMATION
TK11816M
TK11817M
TK11818M
TK11819M
Tape/Reel Code
TAPE/REEL CODE
GND
TL: Tape Left
VIN
OSC
DK
STARTUP
CIRCUIT
OSCILLATOR
FEEDBACK
CONTROL
REFERENCE
VOLTAGE
VOUT
T1
January 1999 TOKO, Inc.
Page 1
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