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NCP1050P100G Datasheet(PDF) 8 Page - ON Semiconductor

Part # NCP1050P100G
Description  Monolithic High Voltage Gated Oscillator Power Switching Regulator
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1050P100G Datasheet(HTML) 8 Page - ON Semiconductor

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NCP1050, NCP1051, NCP1052, NCP1053, NCP1054, NCP1055
http://onsemi.com
8
ELECTRICAL CHARACTERISTICS (VCC = 8.0 V, for typical values TJ = 25°C, for min/max values, TJ is the operating junction
temperature range that applies (Note 2), unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
POWER SWITCH CIRCUIT
Power Switch Circuit On−State Resistance
NCP1050, NCP1051, NCP1052 (ID = 50 mA)
TJ = 25°C
TJ = 125°C
NCP1053, NCP1054, NCP1055 (ID = 100 mA)
TJ = 25°C
TJ = 125°C
RDS(on)
22
42
10
23
30
55
15
28
W
Power Switch Circuit & Startup Breakdown Voltage
(ID(off) = 100 mA, TA = 25°C)
V(BR)DS
700
V
Power Switch Circuit & Startup Circuit Off−State Leakage Current
(VDS = 650 V) TJ = 25°C
(VDS = 650 V) TJ = 125°C
IDS(off)
25
15
40
80
mA
Switching Characteristics (RL = 50 W, VDS set for ID = 0.7 IIim)
Turn−on Time (90% to 10%)
Turn−off Time (10% to 90%)
ton
toff
20
10
ns
CURRENT LIMIT AND THERMAL PROTECTION
Current Limit Threshold (TJ = 25°C) (Note 5)
NCP1050
NCP1051
NCP1052
NCP1053
NCP1054
NCP1055
Ilim
93
186
279
372
493
632
100
200
300
400
530
680
107
214
321
428
567
728
mA
Conversion Power Deviation (TJ = 25°C) (Note 6)
I2fOSC
0
10
%A2Hz
Propagation Delay, Current Limit Threshold to Power Switch Circuit Output
NCP1050, NCP1051, NCP1052
NCP1053, NCP1054, NCP1055
tPLH
135
160
ns
Thermal Protection (VCC = 8.6 V) (Note 2, 3, 4)
Shutdown (Junction Temperature Increasing)
Hysteresis (Junction Temperature Decreasing)
Tsd
TH
140
160
75
°C
STARTUP CONTROL
Startup/VCC Regulation
Startup Threshold/VCC Regulation Peak (VCC Increasing)
Minimum Operating/VCC Valley Voltage After Turn−On
Hysteresis
VCC(on)
VCC(off)
VH
8.0
7.0
8.5
7.5
1.0
9.0
8.0
V
Undervoltage Lockout Threshold Voltage, VCC Decreasing
VCC(reset)
4.0
4.5
5.0
V
Startup Circuit Output Current (Power Switch Circuit Output = 40 V)
VCC = 0 V
TJ = 25°C
TJ = −40 to 125°C
VCC = VCC(on) − 0.2 V
TJ = 25°C
TJ = −40 to 125°C
Istart
5.4
4.5
4.6
3.5
6.3
5.6
7.2
8.0
6.6
7.0
mA
Minimum Start−up Drain Voltage (Istart = 0.5 mA, VCC = VCC(on) − 0.2 V)
Vstart(min)
13.4
20
V
Output Fault Condition Auto Restart
(VCC Capacitor = 10 mF, Power Switch Circuit Output = 40 V)
Average Switching Duty Cycle
Frequency
Drst
frst
6.0
3.5
%
Hz
2. Tested junction temperature range for the NCP105X series:
Tlow = −40°CThigh = +125°C
3. Maximum package power dissipation limits must be observed.
4. Guaranteed by design only.
5. Adjust di/dt to reach Ilim in 4.0 msec.
6. Consult factory for additional options including test and trim for output power accuracy.


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