Datasheet

NCP1216, NCP1216A
http://onsemi.com
3
Q
Set
Reset
1 V
HV1
2
3
4
5
6
7
8
Drv
GND
NC
Current
Sense
Adj
FB
Skip Cycle Comparator
1.1 V
Overload?
Fault Duration
20 k
19 k
Clock Jittering
57 k
25 k
96 k
25 k
5 V
Figure 2. Internal Circuit Architecture
+
+
Pullup Resistor
UVLO High and Low
Internal Regulator
HV Current Source
Q FlipFlop
D
Cmax
= 75%
Reset
65 kHz
100 kHz
133kHz
Ramp
Compensation
+
V
ref
220 ns
L.E.B
$500 mA
V
CC
Internal V
CC
1 ms SS*
* Available for ”A” version only.
MAXIMUM RATINGS
Rating Symbol Value Unit
Power Supply Voltage, V
CC
Pin V
CC
16 V
Maximum Voltage on Low Power Pins (except Pin 8 and Pin 6) 0.3 to 10 V
Maximum Voltage on Pin 8 (HV), Pin 6 (V
CC
) Decoupled to Ground with 10 mF
500 V
Maximum Voltage on Pin 8 (HV), Pin 6 (V
CC
) Grounded 450 V
Minimum Operating Voltage on Pin 8 (HV) 28 V
Maximum Current into all Pins except V
CC
(Pin 6) and HV (Pin 8) when 10 V ESD Di-
odes are Activated
5.0 mA
Thermal Resistance JunctiontoAir, PDIP7 Version
Thermal Resistance JunctiontoAir, SOIC8 Version
R
q
JA
R
q
JA
100
178
°C/W
Maximum Junction Temperature T
JMAX
150 °C
Temperature Shutdown TSD 155 °C
Hysteresis in Shutdown 30 °C
Storage Temperature Range 60 to +150 °C
ESD Capability, HBM Model (All Pins except V
CC
and HV) 2.0 kV
ESD Capability, Machine Model 200 V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.