TK11811
DC-DC CONVERTER
FEATURES
s
Miniature Package (SOT-23L)
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Low Start-up Voltage [0.6 V (typ.)]
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Few External Components
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Selectable Output Voltage (1.9 V or 2.8 V)
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High and Low Current Optimized Designs
APPLICATIONS
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Pagers
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Cassette Recorders
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Cordless Telephones
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Portable Instrumentation
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Radio Control Systems
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Mobile Radios
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Battery Operated Equipment
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Local Area Network (LAN) Receivers
DESCRIPTION
The TK11811 is a low power, low input voltage DC-DC
converter.
This device can be optimized for use in high or low current
applications through component selection. The output
voltage is selectable for 1.9 or 2.8 V operation and can be
trimmed to any voltage in between.
20P
TK11811
VIN
FB
OSC
T
GND
The frequency of the built-in relaxation oscillator is set by
external components. The internal voltage regulator
provides a stable output voltage. Optimized Toko inductor
components are available.
The TK11811 is available in a miniature SOT-23L surface
mount package.
VOUT
BLOCK DIAGRAM
VIN
FB
OSC
VOUT
ORDERING INFORMATION
TK11811M
Tape/Reel Code
OSCILLATOR
Vref
T
-
+
TAPE/REEL CODE
TL: Tape Left
GND
January 1999 TOKO, Inc.
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