NCP1651
http://onsemi.com
5
ELECTRICAL CHARACTERISTICS (continued) (Unless otherwise noted: V
CC
= 14 volts, C
T
= 470 pF, C
12
= 0.1 F, T
j
= 25°C for
typical values. For min/max values T
j
is the applicable junction temperature.)
Characteristic Symbol Min Typ Max Unit
DRIVE OUTPUT
Source Resistance (1.0 Volt Drop) R
source
- 8.0 15
Sink Resistance (1.0 Volt Drop) R
sink
- 8.0 15
Rise Time (C
L
= 1.0 nF) t
r
- 50 - ns
Fall Time (C
L
= 1.0 nF) t
f
- 50 - ns
Output Voltage in UVLO Condition (Drive out = 100 A in, 1 nF load)
V
O(UV)
- 1.0 10 mV
VOLTAGE REFERENCE
Buffered Output (I
load
= 0 mA, V
CC
= 12 VDC, Temperature) Vref
OUT
6.24 6.50 6.76 V
Load Regulation (Buffered Output, Io = 0 to 10 mA, V
CC
> 10 V) DVref
OUT
0 - 40 mV
FB/SD PIN
Opto Current Source (Unit Operational, V
FB
= 0.5 V) I
OPTO
0.8 1.1 1.4 mA
Opto Current Source (Shutdown, V
FB
= 0.1 V) - 15 20 25
A
Input Voltage for 0 Duty Cycle (Note 2) - 1.5 - - -
Input Voltage for 95% Duty Cycle (Note 2)
-
- - 4.0 V
Open Circuit Voltage (Device Operational) (Note 2) V
OC
- - 12 V
Clamp Voltage (Device in Shutdown Mode) (Note 2) V
CL
0.9 1.5 1.6 V
Shutdown Start Up Threshold (Pin 8) (V
out
Increasing) V
SD
0.40 0.60 0.70 V
Shutdown Hysteresis (Pin 8) V
H
30 75 130 mV
STARTUP/UVLO
UVLO Startup Threshold (V
CC
Increasing) V
SU
10 10.75 11.5 V
UVLO Hysteresis (Shutdown Voltage = V
SU
– V
H
) V
H
0.8 1.0 1.2 V
Overtemperature Trip Point (Note 2) T
SD
140 160 180 °C
Overtemperature Hysteresis (Note 2) - - 30 - °C
HIGH VOLTAGE STARTUP (Pin 16 = 50 V)
Startup Current (out of pin 13) (V
CC
= UVLO - 0.2 V) I
SU
3.0 5.5 8.0 mA
Startup Current (out of pin 13) (V
CC
= 0 V) 5.0 8.5 12 mA
Min. Startup Voltage (pin 16, pin 13 current = 1 mA) V
SU
- 17 20 V
Line Pin Leakage (pin 16, Startup Circuit Inhibited)
(V
DS
= 400 V, T
A
= +25°C)
T
A
= +125°C
I
leak
-
-
25
15
40
80
A
TOTAL DEVICE
Operational Bias Current (C
L(Driver)
= 1.0 nF, f
osc
= 100 kHz) I
BIAS
- 4.0 5.0 mA
Bias Current in Undervoltage Mode I
Bshutdown
- 0.75 1.2 mA
2. Verified by design.
