SC403BEVB 查看數據表（PDF） - Semtech Corporation
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SC403BEVB Datasheet PDF : 32 Pages
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SC403B
Typical Characteristics (continued)
Characteristics in this section are based on using the applicable Detailed Application Circuit — 2.
Frequency vs. Load — Forced Continuous Mode
VOUT = 1.2V, VDD = 5V, EN/PSV is floating, external bias
400
350
300
250
VIN = 12V
200
VIN = 20V
VIN = 6V
150
100
50
0
0.001
0.01
0.1
1
10
IOUT (ADC)
Frequency vs. Load — PSAVE Mode
VOUT = 1.2V, VDD = EN/PSV = 5V, external bias
400
350
VIN = 12V
300
250
VIN = 20V
200
VIN = 6V
150
100
50
0
0.001
0.01
0.1
1
10
IOUT (ADC)
VOUT vs. Line — Forced Continuous Mode
VOUT = 1.5V, VLDO = VDD = ENL = 5V, EN/PSV is floating
1.575
150
1.550
125
1.525
100
VOUT
1.500
75
1.475
50
VPKPK
1.450
25
1.425
0
6.0
8.8
11.5 14.3 17.0 19.8 22.5 25.3 28.0
VIN (VDC)
Frequency vs. Line — FCM Mode
VOUT = 1.5V, VLDO = VDD = ENL = 5V, EN/PSV is floating
400
350
300
250
200
150
100
50
0
6.0 8.8
11.5
14.3 17.0 19.8
VIN (VDC)
22.5 25.3 28.0
On Time vs. Line
VOUT = 1.5V, VLDO = VDD = ENL = 5V, IOUT = 0A
1200
1000
800
600
400
3.3V
5V
200
0
6.0
8.8
11.5 14.3 17.0 19.8 22.5 25.3 28.0
Input Voltage (V)
10
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