NCV4274C
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4
ELECTRICAL CHARACTERISTICS
−40°C < T
J
< 150°C; V
I
= 13.5 V unless otherwise noted.
Parameter Symbol Test Conditions Min Typ Max Unit
REGULATOR
Output Voltage (5.0 V Version)
V
Q
5 mA < I
Q
< 400 mA
6 V < V
I
< 28 V
4.9 5.0 5.1 V
Output Voltage (5.0 V Version) V
Q
5 mA < I
Q
< 200 mA
6 V < V
I
< 40 V
4.9 5.0 5.1 V
Output Voltage (3.3 V Version) V
Q
5 mA < I
Q
< 400 mA
4.5 V < V
I
< 28 V
3.23 3.3 3.37 V
Output Voltage (3.3 V Version) V
Q
5 mA < I
Q
< 200 mA
4.5 V < V
I
< 40 V
3.23 3.3 3.37 V
Current Limit (All Versions) I
Q
V
Q
= 90% V
QTYP
400 600 − mA
Quiescent Current I
q
I
Q
= 1 mA
V
Q
= 5.0 V
V
Q
= 3.3 V
I
Q
= 250 mA
V
Q
= 5.0 V
V
Q
= 3.3 V
I
Q
= 400 mA
V
Q
= 5.0 V
V
Q
= 3.3 V
−
−
−
−
−
−
125
125
5
5
10
10
250
250
15
15
35
35
mA
mA
mA
mA
mA
mA
Dropout Voltage
5.0 V Version
V
DR
I
Q
= 250 mA,
V
DR
= V
I
− V
Q
V
I
= 5.0 V − 250 500 mV
Load Regulation (3.3 V and 5 V Versions)
DV
Q
I
Q
= 5 mA to 400 mA − 3 20 mV
Line Regulation (3.3 V and 5 V Versions)
DV
Q
DV
I
= 12 V to 32 V
I
Q
= 5 mA
− 4 25 mV
Power Supply Ripple Rejection PSRR ƒr = 100 Hz,
V
r
= 0.5 V
PP
− 60 − dB
Thermal Shutdown Temperature* T
SD
I
Q
= 5 mA 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.
*Guaranteed by design, not tested in production
Figure 2. Measuring Circuit
NCV4274C
R
load
V
Q
C
Q
10 mF
or
22 mF
C
12
100 nF
C
11
1.0 mF
V
Q
I
Q
QII
I
V
I
V
I
I
GND
GND
13
2,4
Figure 3. Application Circuit
Output
C
Q
*C
I
100 nF
GND
NCV4274C
13
2,4
Input
V
Q
V
I
*C
Q
= 10 mF for V
Q
≤ 3.3 V
C
Q
= 22 mF for V
Q
≥ 5 V
