NCP1203 ON Semiconductor, NCP1203 Datasheet - Page 3

• Manufacturer Part Number: NCP1203
• Description: Current Mode Controller Fixed Frequency Operation
• Manufacturer: ON Semiconductor

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.
CURRENT
MAXIMUM RATINGS
Power Supply Voltage
Power Supply Voltage on all other pins except Pin 5 (Drv), Pin 6 (V
Maximum Current into all pins except Pin 6 (V
10 V ESD diodes are activated
Thermal Resistance, Junction-to-Air, PDIP-8 Version
Thermal Resistance, Junction-to-Air, SOIC Version
Thermal Resistance, Junction-to-Case
Maximum Junction Temperature
Temperature Shutdown
Hysteresis in Shutdown
Operating Temperature Range
Storage Temperature Range
ESD Capability, HBM Model, All pins except Pin 6 (V
ESD Capability, Machine Model
Maximum Voltage on Pin 8 (HV) with Pin 6 (V
GROUND
SENSE
Adj
FB
1
2
3
4
20 k
+
-
V
250 ns
L.E.B.
REF
80 k
57 k
25 k
1.2 V
24 k
Rating
40-60-100 kHz
Figure 2. Internal Circuit Architecture
CC
CC
CLOCK
) Decoupled to Ground with 10 mF
) and Pin 8 (HV) when
1 V
+
-
CC
+
-
) and Pin 8 (HV)
SKIP CYCLE
COMPARATOR
http://onsemi.com
NCP1203
SET
CC
3
) and Pin 8 (HV)
INTERNAL V
DCmax = 80%
Q FLIP-FLOP
RESET
CC
Q
INTERNAL REGULATOR
UVLO HIGH AND LOW
V
Symbol
TJ
CC
R
R
R
T
T
qJA
qJA
qJC
MAX
-
-
-
-
stg
-
-
-
, Drv
J
±250 mA
MANAGEMENT
OVERLOAD
HV CURRENT
SOURCE
-40 to +125
-60 to +150
-0.3 to 10
Value
100
178
150
170
200
500
5.0
2.0
16
57
30
°C/W
Unit
mA
°C
°C
°C
°C
°C
kV
V
V
V
V
HV
NC
V
Drv
8
7
6
5
CC