NCP2820 Series
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4
ELECTRICAL CHARACTERISTICS (Limits apply for TA = +25°C unless otherwise noted) (NCP2820FCT1G & NCP2820FCT2G)
Characteristic
Symbol
Conditions
Min
Typ
Max
Unit
Operating Supply Voltage
Vp
TA = 40°C to +85°C
2.5
5.5
V
Supply Quiescent Current
Idd
Vp = 3.6 V, RL = 8.0 W
Vp = 5.5 V, No Load
Vp from 2.5 V to 5.5 V, No Load
TA = 40°C to +85°C
2.15
2.61
4.6
mA
Shutdown Current
Isd
Vp = 4.2 V
TA = +25°C
TA = +85°C
0.42
0.45
0.8
mA
Vp = 5.5 V
TA = +25°C
TA = +85°C
0.8
0.9
1.5
mA
Shutdown Voltage High
Vsdih
-
1.2
V
Shutdown Voltage Low
Vsdil
-
0.4
V
Switching Frequency
Fsw
Vp from 2.5 V to 5.5 V
TA = 40°C to +85°C
190
250
310
kHz
Gain
G
RL = 8.0 W
285 kW
Ri
300 kW
Ri
315 kW
Ri
V
Output Impedance in Shutdown Mode
ZSD
-
300
W
Resistance from SD to GND
Rs
300
kW
Output Offset Voltage
Vos
Vp = 5.5 V
6.0
mV
Turn On Time
NCP2820
NCP2820A
Ton
Vp from 2.5 V to 5.5 V
9.0
1.0
3.0
ms
Turn Off Time
NCP2820
NCP2820A
Toff
Vp from 2.5 V to 5.5 V
5.0
0.5
ms
Thermal Shutdown Temperature
Tsd
160
°C
Output Noise Voltage
Vn
Vp = 3.6 V, f = 20 Hz to 20 kHz
no weighting filter
with A weighting filter
65
42
mVrms
RMS Output Power
Po
RL = 8.0 W, f = 1.0 kHz, THD+N < 1%
Vp = 2.5 V
Vp = 3.0 V
Vp = 3.6 V
Vp = 4.2 V
Vp = 5.0 V
0.32
0.48
0.7
0.97
1.38
W
RL = 8.0 W, f = 1.0 kHz, THD+N < 10%
Vp = 2.5 V
Vp = 3.0 V
Vp = 3.6 V
Vp = 4.2 V
Vp = 5.0 V
0.4
0.59
0.87
1.19
1.7
W
RL = 4.0 W, f = 1.0 kHz, THD+N < 1%
Vp = 2.5 V
Vp = 3.0 V
Vp = 3.6 V
Vp = 4.2 V
Vp = 5.0 V
0.49
0.72
1.06
1.62
2.12
W
RL = 4.0 W, f = 1.0 kHz, THD+N < 10%
Vp = 2.5 V
Vp = 3.0 V
Vp = 3.6 V
Vp = 4.2 V
Vp = 5.0 V
0.6
0.9
1.33
2.0
2.63
W