參數(shù)資料
型號(hào)： TK65427
廠(chǎng)商： TOKO Inc.
英文描述： STEP-DOWN CONVERTER WITH BATTERY MONITOR
中文描述： 降壓轉(zhuǎn)換器與電池監(jiān)視器
文件頁(yè)數(shù)： 24/28頁(yè)
文件大?。?/td> 762K
代理商： TK65427
Page 24
TK654xx
September 1999 TOKO, Inc.
ADVANCED INFORMATION
SB
GND
TK11330
VIN
VOUT
VOUT
VIN
GND
SW
100 μH
Receive
10 μF
Control
GND
Noise
Noise
1000 pF
VIN
3.0 V
LBO
Note A
TK65430
Transmit/
100 μF
Note B
APPLICATION INFORMATION (CONT.)
Wireless Application Extend battery life, yet keep RF clean
Application results with waveforms for TK65430 in a Buck and Linear Mode
FIGURE 13: BUCK AND LINEAR SCHEMATIC
FIGURE 14: BUCK AND LINEAR APPLICATION BOARD LAYOUT
Figure 13 is a schematic of an application board available from Toko as APO14-99 from which the results shown
below were obtained. This application uses the TK11330 Low Dropout Regulator with the control function enabling
the regulator on when this control pin is low.
A
T
V
IN
GND
CON
V
OUT
TK113xxBM
1
TK654xx
1
D1
10 μF
10CN
875FU-xxxM
CL
Optional
100 μF
Note A: This is a low ESR
(80 m
) capacitor from
AVX TPSD107 M010R0080
Note B: Coil used to obtain
waveforms was D63LCB type
A921CY-101M from Toko
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