ncp1001 ON Semiconductor, ncp1001 Datasheet - Page 3

• Manufacturer Part Number: ncp1001
• Description: Integrated Off-line Switching Regulator
• Manufacturer: ON Semiconductor

3. Maximum package power dissipation limits must be observed.
4. Tested junction temperature range for this device series: T
5. Guaranteed by design only.
ELECTRICAL CHARACTERISTICS
operating junction temperature that applies.)
OSCILLATOR
PWM COMPARATOR
START−UP CONTROL AND V
Frequency (l
Feedback Input PWM Gain (T
Gain Temperature Coefficient (T
PWM Duty Cycle (Pin 2)
PWM Ramp
Undervoltage Lockout (Figure 8)
Start−Up Circuit, Pin 1 Output Current (Pin 4 = 50 V)
Minimum Start−Up Voltage (V
Auto Restart (C
Start−Up Circuit Breakdown Voltage (I = 25 mA) (Note 5)
Start−Up Circuit Leakage Current (Pin 4 = 700 V
T
T
T
Maximum (l
Zero Duty Cycle Current
Peak
Valley
V
Start−Up Threshold (V
Minimum Operating Voltage After Turn−On
Hysteresis
V
V
Duty Cycle
Frequency
T
T
J
J
J
CC
CC
CC
J
J
= 25 C
= 0 C to 125 C
= −40 C to 125 C
= 25 C
= −40 C to 125 C
Clamp Voltage (I
= 0 V
= 8.0 V
fb
fb
= 1.1 mA) (Note 4) (Figure 7)
= 0.8 mA)
Pin 1
= 47 mF, Pin 4 = 50 V) (Note 5)
CC
clp
= 4.0 mA)
Increasing)
Characteristics
J
CC
CC
= 25 C) (l
J
= V
= −40 C to T
LIMITER
clp(on)
fb
(V
= 1.20 mA to 1.30 mA) (Figure 2)
−0.2 V, I
CC
NCP1000, NCP1001, NCP1002
J
= 8.6 volts, pin 2 grounded, T
= 125 C) (Note 4)
DC
start
)
= 0.5 mA)
http://onsemi.com
low =
−40 C, T
3
high
J
= +125 C
= 25 C for typical values. For min/max values, T
Symbol
V
V
V
D
clp(min)
V
f
V
DA
V
clp(on)
I
I
V
D
BR(st)
OSC
(max)
start
V
f
leak
A
I
start
rvly
rst
fb
rpk
clp
rst
H
v
v
−110
Min
700
1.8
8.3
8.2
7.2
2.0
1.5
4.0
90
85
75
68
−
−
−
−
−
−
−
−
*136
8.55
14.7
Typ
100
0.2
4.1
2.7
8.5
7.5
1.0
3.4
2.6
5.0
1.2
72
20
30
−
−
−
−
−170
Max
110
115
115
8.9
8.8
8.0
4.2
4.2
6.0
74
20
40
75
−
−
−
−
−
−
−
(%/mA)/ C
J
%/mA
is the
Unit
kHz
mA
mA
Hz
mA
%
%
V
V
V
V