SC4518H 데이터 시트보기 (PDF) - Semtech Corporation
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SC4518H Datasheet PDF : 15 Pages
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SC4518H
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless specified: VIN = 12V, VCOMP = 0.8V, VBST = VIN + 5V, EN = tied to VIN, SYNC = 0, SW = open.
TA = TJ = -40°C to 125°C.
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
Enable Input Threshold Voltage
VETH
Enable Output Bias Current
IEOL
IEOH
SYNC Threshold Voltage
EN = 50mV below threshold
EN = 50mV above threshold
1.1 1.3
8
10
1.5
SYNC Input Frequency (4)
800
SYNC Pin Resistance
VSYNC = 0.5V
20
Notes:
(1) The device may not function properly outside its operating input voltage.
(2) The required input voltage for a regulated output depends on the output voltage and load condition.
(3) Guaranteed by design.
(4) Please contact factory for SYNC applications.
MAX UNITS
1.5
V
µA
µA
V
1200 kHz
kΩ
2007 Semtech Corp.
4
www.semtech.com
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