SC250 Просмотр технического описания (PDF) - Semtech Corporation
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SC250 Datasheet PDF : 18 Pages
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POWER MANAGEMENT
Typical Characteristics (Cont.)
450
400
350
300
250
200
150
100
50
0
-45
RDSON vs. Temperature, VIN = 3.6V
PMOS
NMOS
PASS
5
55
105
155
TJ (°C)
VDAC Step Response (Pass-through)
VOUT (1V/div)
VDAC (1V/div)
V (2V/div)
LX
Time (40μs/div)
Condition VIN=3.6V, Load=15Ω, VDAC=0.7 to 1.7V
VDAC Step Response
V (1V/div)
OUT
VDAC (500mV/div)
VLX (2V/div)
Time (40μs/div)
Condition VIN=4.2V, Load=15Ω, VDAC=0.5 to 1.1V
SC250
PRELIMINARY
RDSON vs. VIN
400
350
PMOS
300
NMOS
250
200
150
100
PASS
50
0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VIN(V)
V Step Response (100% duty)
DAC
VOUT (1V/div)
VDAC (500mV/div)
VLX (2V/div)
Time (40μs/div)
Condition V =3V, Load=15Ω, V =0.7 to 1V
IN
DAC
Enable Transient
VOUT (1V/div)
VLX (2V/div)
Time (40μs/div)
Condition VIN=3.6V, Load=15Ω, VDAC=0.7V
V (2V/div)
EN
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