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SC174 датащи(PDF) 5 Page - Semtech Corporation

номер детали SC174
подробное описание детали  4A EcoSpeedTM Synchronous Step-Down Regulator with Optional Ultrasonic Power Save
PDF  27 Pages
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производитель  SEMTECH [Semtech Corporation]
домашняя страница  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC174 датащи(HTML) 5 Page - Semtech Corporation

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© 2010 Semtech Corporation
Electrical Characteristics (continued)
Note:
(1) Typical value from EVB, not ATE tested.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Gate Drivers
BST Switch On resistance
25
45
Ω
Internal Power MOSFETs
Current Limit
Valley Current Limit, VDD=5V
4.5
A
Valley Current Limit, VDD=3V
3.5
4
LX Leakage Current
VIN=5.5V, LX=0V, High Side
1
10
µA
Switch Resistance
High Side
50
75
mΩ
Low Side
40
65
Non-overlap time (1)
30
ns
Unless specified: V
IN =5V, TA=+25°C for Typ, -40°C to +85°C for Min and Max, TJ < 125°C
5
SC174



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