NCP1406
TYPICAL CHARACTERISTICS
L1 = 8.2 mH, C1 = 10 mF, C2 = 3.3 mF, V = 3.7 V
L1 = 8.2 mH, C1 = 10 mF, C2 = 4.7 mF, V = 3.7 V
IN
IN
1. V
= 25 V (AC Coupled), 100 mV/div
1. V
= 15 V (AC Coupled), 100 mV/div
OUT
OUT
2. I
= 1.0 mA to 15 mA, 20 mA/div
2. I
= 1.0 mA to 20 mA, 20 mA/div
OUT
OUT
Figure 35. Load Transient Response (VOUT = 25 V)
Figure 36. Load Transient Response (VOUT = 15 V)
L1 = 8.2 mH, C1 = 10 mF, C2 = 3.3 mF, I
= 15 mA
L1 = 8.2 mH, C1 = 10 mF, C2 = 4.7 mF, I
= 15 mA
OUT
OUT
1. V
= 25 V (AC Coupled), 100 mV/div
1. V
= 15 V (AC Coupled), 100 mV/div
OUT
OUT
2. V = 3.0 V to 4.0 V, 2.0 V/div
2. V = 3.0 V to 4.0 V, 2.0 V/div
IN
IN
Figure 37. Line Transient Response (VOUT = 25 V)
Figure 38. Line Transient Response (VOUT = 15 V)
L1 = 8.2 mH, C1 = 10 mF, C2 = 3.3 mF, V = 4.2 V,
L1 = 8.2 mH, C1 = 10 mF, C2 = 3.3 mF, V = 4.2 V,
IN
IN
V
OUT
= 25 V, I
= 5.0 mA
V
OUT
= 25 V, I
= 30 mA
OUT
OUT
1. V , 10 V/div
1. V , 10 V/div
LX
LX
2. I , 200 mA/div
2. I , 200 mA/div
L
L
3. V , 50 mV/div
ripple
3. V , 50 mV/div
ripple
Figure 39. Operating Waveforms (Light Load)
Figure 40. Operating Waveforms (Heavy Load)
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