參數資料
型號: TK65428
廠商: TOKO Inc.
英文描述: STEP-DOWN CONVERTER WITH BATTERY MONITOR
中文描述: 降壓轉換器與電池監(jiān)視器
文件頁數: 19/28頁
文件大?。?/td> 762K
代理商: TK65428
September 1999 TOKO, Inc.
Page 19
TK654xx
ADVANCED INFORMATION
APPLICATION INFORMATION
C1
22 μF
L1
100 μH
VOUT = 3 V
LBI
GND
VIN
LBO
VOUT
SW
VIN = 5 V
FIGURE 6: MINIMUM DEVICE COUNT
C1
22 μF
L1
100 μH
VOUT = 3 V
SB
GND
VIN
LBO
VOUT
SW
VIN = 5 V
STANDBY
FIGURE 7: CONVERTER WITH STANDBY
C1
20 μF
L1
100 μH
R3
300 k
VIN = 5 V
R1
634 K
R2
287 K
LBI
GND
VIN
LBO
VOUT
SW
VOUT = 3 V
LB OUT
C2
10 μF
D1
FIGURE 9: EVALUATION BOARD SCHEMATIC
FIGURE 9B: EVALUATION BOARD ARTWORK
V
OUT
GND
LBO
V
IN
FIGURE 8: LOW BATTERY DETECTOR
C1
22 μF
L1
100 μH
R3
300 k
VIN = 5 V
R1
634 K
R2
287 K
LBI
GND
VIN
LBO
VOUT
SW
VOUT = 3 V
LB OUT
FIGURE 9C: EVALUATION BOARD COMPONENT
PLACEMENT
V
OUT
GND
LBO
V
IN
R
R
C2
C1
C1
L1
R
*
D
*D1 Optional
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