參數(shù)資料
型號: TC120333EHA
廠商: Microchip Technology Inc.
英文描述: PWM/PFM Step-Down Combination Regulator/Controller
中文描述: PWM / PFM切換降壓組合穩(wěn)壓器/控制器
文件頁數(shù): 9/14頁
文件大小: 436K
代理商: TC120333EHA
2002 Microchip Technology Inc.
DS21365B-page 9
TC120
FIGURE 3-5:
USING EXTERNAL TRANSISTOR SWITCH
FIGURE 3-6:
EXTERNAL (EXT) AND EXTENDED EXTERNAL (EXTW) SWITCHING
TRANSISTOR DRIVE OUTPUT
TC120XX03
CPC
V
IN
EXTW
L
X
EXT
GND
SENSE
SHDN/SS
C
SS
4.7 nF
IN5817
L1
22
μ
H
V
OUT
V
IN
C
IN
47
μ
F
Tantalum
C
OUT
47
μ
F
Tantalum
EXT
EXTW
100nsec
100nsec
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