NCP1031 ON, NCP1031 Datasheet - Page 5

• Manufacturer Part Number: NCP1031
• Description: Low Power PWM Controller with On-Chip Power Switch and Startup Circuits for 48V Telecom Systems
• Manufacturer: ON

1. Production testing for NCP1030DMR2 is performed at 25 C only; limits at −40 C and 125 C are guaranteed by design.
DC ELECTRICAL CHARACTERISTICS
V
STARTUP CONTROL
ERROR AMPLIFIER
LINE UNDER/OVERVOLTAGE DETECTOR
Startup Circuit Output Current (V
NCP1030
NCP1031
V
Undervoltage Lockout Threshold Voltage, V
Minimum Startup Voltage (Pin 8)
Reference Voltage (V
Line Regulation (V
Input Bias Current (V
COMP Source Current
COMP Sink Current (V
COMP Maximum Voltage (I
COMP Minimum Voltage (I
Open Loop Voltage Gain
Gain Bandwidth Product
Undervoltage Lockout (V
Overvoltage Lockout (V
COMP
CC
Supply Monitor (V
= 2.5 V, T
T
T
T
T
Startup Threshold Voltage (V
Minimum Operating V
Hysteresis Voltage
I
T
T
Voltage Threshold (V
Voltage Hysteresis
Input Bias Current
Voltage Threshold (V
Voltage Hysteresis
Input Bias Current
START
J
J
J
J
J
J
= 25 C
= −40 C to 125 C
= 25 C
= −40 C to 125 C
= 25 C
= −40 C to 125 C
J
= 0.5 mA, V
= −40 C to 125 C, typical values shown are for T
CC
V
V
V
V
V
V
V
V
FB
COMP
CC
CC
CC
CC
CC
CC
CC
CC
= 8 V to 16 V, T
FB
FB
FB
= 2.3 V)
FB
= 0 V
= V
= 0 V
= V
= 0 V
= V
= 0 V
= V
= 2.7 V)
= 2.7 V)
SNK
= V
SRC
= V
= V
CC(on)
CC(on)
CC(on)
CC(on)
CC
Characteristics
COMP
FB
= 0 mA, V
COMP
in
in
= 0 mA)
CC
=V
FB
Increasing)
Increasing)
, Follower Mode)
− 0.2 V
− 0.2 V
− 0.2 V
− 0.2 V
After Turn−on (V
CC(on)
)
= V
)
J
= 25 C)
COMP
CC
FB
− 0.2 V
Increasing)
CC
= 2.7 V)
)
(V
Decreasing (V
DRAIN
CC
NCP1030, NCP1031
= 48 V, V
Increasing)
http://onsemi.com
FB
CC
= V
= 12 V, C
J
COMP
5
= 25 C unless otherwise noted.) (Note 1)
)
T
= 560 pF, V
V
V
REG
START(min)
Symbol
V
V
V
V
V
V
V
I
CC(reset)
START
CC(hys)
GBW
OV(hys)
V
A
UV(hys)
I
C(max)
CC(on)
CC(off)
I
I
C(min)
V
V
SRC
SNK
I
I
VFB
REF
VOL
UV
OV
OV
UV
LINE
UV
= 3 V, V
2.400
0.075
2.400
0.075
2.45
2.40
Min
200
6.0
8.0
2.0
8.0
4.0
9.6
7.0
6.0
4.5
10
13
80
11
−
−
−
−
−
−
−
−
−
OV
= 2 V, V
2.550
0.175
2.550
0.175
12.5
10.2
16.8
Typ
110
550
8.6
7.6
2.6
6.6
2.5
2.5
1.0
0.1
1.0
16
12
80
−
−
−
−
0
0
−
−
FB
= 2.3 V,
2.700
0.275
2.700
0.275
Max
10.6
18.5
2.55
2.60
140
900
8.0
7.0
5.0
1.0
1.0
1.0
1.0
15
12
16
13
19
16
21
18
−
−
−
−
MHz
Unit
mA
mV
mA
mA
mA
dB
mA
mA
V
V
V
V
V
V
V
V
V
V