NCP2993
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS Limits apply for T
A
between −40°C to +85°C (Unless otherwise noted).
Characteristic Symbol Conditions
Min
(Note 6)
Typ
Max
(Note 6)
Unit
Supply Quiescent Current I
dd
V
p
= 2.5 V, No Load
V
p
= 5.0 V, No Load
−
−
1.8
1.95
3.5
mA
V
p
= 2.5 V, 8
V
p
= 5.0 V, 8
−
−
1.8
1.95
3.5
Common Mode Voltage V
cm
− − V
p
/2 − V
Shutdown Current I
SD
− 0.02 0.5 A
Shutdown Pull−Down R
SD
− 300 − k
Shutdown Voltage High V
SDIH
− 1.2 − − V
Shutdown Voltage Low V
SDIL
− − − 0.4 V
Turn On Time (Note 8) T
WU
TON = GND
TON = VP
− 30
15
− ms
Turn Off Time T
OFF
− − 1.0 − s
Output Impedance in Shutdown Mode Z
SD
− − 8.5 − k
Output Swing V
loadpeak
V
p
= 2.5 V, R
L
= 8.0
V
p
= 5.0 V, R
L
= 8.0 (Note 7)
T
A
= +25°C
1.9
3.8
2.3
4.6
−
−
V
RMS Output Power P
O
V
p
= 2.5 V, R
L
= 4.0
THD + N < 1%
V
p
= 2.5 V, R
L
= 8.0
THD + N < 1%
V
p
= 5.0 V, R
L
= 8.0
THD + N < 1%
−
−
0.5
0.32
1.3
−
−
W
Maximum Power Dissipation (Note 8) P
Dmax
V
p
= 5.0 V, R
L
= 8.0 − − 0.65 W
Output Offset Voltage V
OS
V
p
= 2.5 V
V
p
= 5.0 V
− 1.0 − mV
Signal−to−Noise Ratio SNR V
p
= 2.5 V, G = 2.0
20 Hz < F < 20 kHz
− 91 − dB
Positive Supply Rejection Ratio PSRR V+ G = 2.0, R
L
= 8.0
C
by
= 1.0 F
Input Grounded
F = 217 Hz
V
p
= 5.0 V
V
p
= 4.2 V
V
p
= 3.0 V
F = 1.0 kHz
V
p
= 5.0 V
V
p
= 4.2 V
V
p
= 3.0 V
−
−
−
−
−
−
−88
−88
−88
−88
−88
−88
−
−
−
−
−
−
dB
Efficiency V
p
= 2.5 V, P
orms
= 320 mW
V
p
= 5.0 V, P
orms
= 1.0 W
−
−
70
60
−
−
%
Thermal Shutdown Temperature T
sd
− 160 − °C
Total Harmonic Distortion THD V
p
= 2.5 V, F = 1.0 kHz
R
L
= 4.0 A
V
= 2.0
P
O
= 0.32 W
V
p
= 5.0 V, F = 1.0 kHz
R
L
= 8.0 A
V
= 2.0
P
O
= 1.0 W
−
−
−
−
−
−
−
0.015
−
−
0.01
−
−
−
−
−
−
−
%
6. Min/Max limits are guaranteed by design, test or statistical analysis.
7. This parameter is guaranteed but not tested in production in case of a 5.0 V power supply.
8. See page 10 for a theoretical approach of this parameter.
