ncp1234ad100r2g ON Semiconductor, ncp1234ad100r2g Datasheet - Page 7
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ncp1234ad100r2g
Manufacturer Part Number
ncp1234ad100r2g
Description
Ncp1234 Fixed Frequency Current Mode Controller For Flyback Converters
Manufacturer
ON Semiconductor
Datasheet
1.NCP1234AD100R2G.pdf
(33 pages)
- Current page: 7 of 33
- Download datasheet (273Kb)
ELECTRICAL CHARACTERISTICS
V
LATCH−OFF INPUT
TEMPERATURE SHUTDOWN
High threshold
Low threshold
Current source for direct NTC
connection
Blanking duration on high latch
detection
Blanking duration on low latch
detection
Clamping voltage
Temperature shutdown
Temperature shutdown
hysteresis
CC
= 11 V unless otherwise noted)
During normal operation
During soft−start
Characteristics
V
V
V
65 kHz version
100 kHz version
I
I
T
T
Latch
Latch
J
J
Latch
Latch
Latch
going up
going down
(For typical values T
= 0 mA
= 1 mA
going up
going down
= 0 V
Test Condition
http://onsemi.com
J
= 25°C, for min/max values T
7
V
V
I
NTC(SSTART)
t
t
clamp0(Latch)
clamp1(Latch)
T
Latch(OVP)
Latch(OTP)
Symbol
TSD(HYS)
V
V
T
I
NTC
OVP
OTP
TSD
J
= −40°C to +125°C, V
2.35
0.76
Min
130
135
1.0
2.0
65
35
25
20
−
Typ
190
350
150
2.5
0.8
1.2
2.4
95
50
35
30
HV
= 125 V,
Max
2.65
0.84
105
210
165
1.4
3.0
70
45
40
−
Unit
mA
°C
°C
ms
ms
V
V
V
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