NCV4275A
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4
ELECTRICAL CHARACTERISTICS (V
I
= 13.5 V; −40°C < T
J
< 150°C; unless otherwise noted.)
Characteristic Symbo
Test Conditions 5.0V Output Voltage 3.3V Output Voltage Unit
Min Typ Max Min Typ Max
Output
Output Voltage
V
Q
100 A v I
Q
v 400 mA
6.0V v V
I
v 28V (5.0V Version)
4.4V v V
I
v 28V (3.3V version)
4.9 5.0 5.1 3.23 3.3 3.37 V
Output Voltage V
Q
100 A v I
Q
v 200 mA
6.0V v V
I
v 40V (5.0V Version)
4.4V v V
I
v 40V (3.3V version)
4.9 5.0 5.1 3.23 3.3 3.37 V
Output Current Limitation I
Q
V
Q
= 0.9 x V
Q,typ
450 700 − 450 700 − mA
Quiescent Current
I
q
= I
I
− I
Q
I
q
I
Q
= 1.0 mA − 140 200 − 135 200 A
I
Q
= 1.0 mA, T
J
= 25°C − 140 150 − 135 150 A
I
Q
= 250 mA − 10 15 − 10 15 mA
I
Q
= 400 mA − 23 35 − 23 35 mA
Dropout Voltage V
dr
I
Q
= 300 mA
V
dr
= V
I
− V
Q
(Note 7)
− 250 500 − 1100 1170 mV
Load Regulation
V
Q
I
Q
= 5.0 mA to 400 mA −30 15 30 −30 15 30 mV
Line Regulation
V
Q
V
I
= 8.0 V to 32 V,
I
Q
= 5.0 mA
−15 5.0 15 −15 5.0 15 mV
Power Supply Ripple Rejection PSRR f
r
= 100 Hz, V
r
= 0.5 V
pp
− 60 − − 60 − dB
Temperature Output Voltage
Drift
dV
Q
/dT −− − 0.5 − − 0.5 − mV/K
Reset Timing D and Output RO
Reset Switching Threshold V
Q,rt
−− 4.53 4.65 4.8 3.0 3.1 3.2 V
Reset Output Low Voltage V
ROL R
ext
≥ 5.0 k, V
Q
≥ 1.0V
− 0.2 0.4 − 0.2 0.4 V
Reset Output Leakage Current I
ROH
V
ROH
= 5.0V − 0 10 − 0 10 A
Reset Charging Current I
D,C
V
D
= 1.0V 3.0 5.5 9.0 2.0 4.0 9.0 A
Upper Timing Threshold V
DU
−− 1.5 1.8 2.2 0.7 1.3 1.6 V
Lower Timing Threshold V
DL
−− 0.2 0.4 0.7 0.2 0.4 0.7 V
Reset Delay Time t
rd
C
D
= 47nF 10 16 22 10 16 22 ms
Reset Reaction Time t
rr
C
D
= 47nF − 1.5 4.0 − 1.5 4.0 s
Thermal Shutdown
Shutdown Temperature (Note 8) T
SD
−− 150 − 210 150 − 210 °C
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
7. Measured when output voltage V
Q
falls 100 mV below the regulated voltage at V
I
= 13.5 V. V
dr
= V
I
− V
Q
.For output voltage set < 4.4 V, V
dr
will be constrained by the minimum input voltage.
8. Guaranteed by design, not tested in production.
