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NCP1030, NCP1031
DC ELECTRICAL CHARACTERISTICS (V DRAIN = 48 V, V CC = 12 V, C T = 560 pF, V UV = 3 V, V OV = 2 V, V FB = 2.3 V,
V COMP = 2.5 V, T J = --40 ? C to 125 ? C, typical values shown are for T J = 25 ? C unless otherwise noted.) (Note 1)
Characteristics
Symbol
Min
Typ
Max
Unit
STARTUP CONTROL
Startup Circuit Output Current (V FB = V COMP )
NCP1030
T J = 25 ? C
V CC = 0 V
V CC = V CC(on) -- 0.2 V
T J = --40 ? C to 125 ? C
V CC = 0 V
V CC = V CC(on) -- 0.2 V
NCP1031
T J = 25 ? C
V CC = 0 V
V CC = V CC(on) -- 0.2 V
T J = --40 ? C to 125 ? C
V CC = 0 V
V CC = V CC(on) -- 0.2 V
V CC Supply Monitor (V FB = 2.7 V)
Startup Threshold Voltage (V CC Increasing)
Minimum Operating V CC After Turn--on (V CC Increasing)
Hysteresis Voltage
Undervoltage Lockout Threshold Voltage, V CC Decreasing (V FB = V COMP )
Minimum Startup Voltage (Pin 8)
I START = 0.5 mA, V CC =V CC(on) -- 0.2 V
I START
V CC(on)
V CC(off)
V CC(hys)
V CC(reset)
V START(min)
10
6.0
8.0
2.0
13
8.0
11
4.0
9.6
7.0
--
6.0
--
12.5
8.6
--
--
16
12
--
--
10.2
7.6
2.6
6.6
16.8
15
12
16
13
19
16
21
18
10.6
8.0
--
7.0
18.5
mA
V
V
V
ERROR AMPLIFIER
Reference Voltage (V COMP = V FB , Follower Mode)
T J = 25 ? C
T J = --40 ? C to 125 ? C
Line Regulation (V CC = 8 V to 16 V, T J = 25 ? C)
Input Bias Current (V FB = 2.3 V)
COMP Source Current
COMP Sink Current (V FB = 2.7 V)
COMP Maximum Voltage (I SRC = 0 m A)
COMP Minimum Voltage (I SNK = 0 m A, V FB = 2.7 V)
Open Loop Voltage Gain
Gain Bandwidth Product
V REF
REG LINE
I VFB
I SRC
I SNK
V C(max)
V C(min)
A VOL
GBW
2.45
2.40
--
--
80
200
4.5
--
--
--
2.5
2.5
1.0
0.1
110
550
--
--
80
1.0
2.55
2.60
5.0
1.0
140
900
--
1.0
--
--
V
mV
m A
m A
m A
V
V
dB
MHz
LINE UNDER/OVERVOLTAGE DETECTOR
Undervoltage Lockout (V FB = V COMP )
Voltage Threshold (V in Increasing)
Voltage Hysteresis
Input Bias Current
Overvoltage Lockout (V FB = V COMP )
Voltage Threshold (V in Increasing)
Voltage Hysteresis
Input Bias Current
V UV
V UV(hys)
I UV
V OV
V OV(hys)
I OV
2.400
0.075
--
2.400
0.075
--
2.550
0.175
0
2.550
0.175
0
2.700
0.275
1.0
2.700
0.275
1.0
V
V
m A
V
V
m A
1. Production testing for NCP1030DMR2 is performed at 25 ? C only; limits at --40 ? C and 125 ? C are guaranteed by design.
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