NCP1015 Просмотр технического описания (PDF) - ON Semiconductor
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NCP1015 Datasheet PDF : 22 Pages
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NCP1015
ELECTRICAL CHARACTERISTICS (For typical values TJ=25°C, for min/max values TJ=−40°Cto125°C, VCC=8V unless otherwise noted)
Symbol
Rating
Pin
Min
Typ
Max
Unit
SUPPLY SECTION AND VCC MANAGEMENT
VCC(off) VCC increasing level at which the current source turns−off
VCC(on) VCC decreasing level at which the current source turns−on
VCCLATCH Decreasing level at which the Latch−off phase Ends
DVCC
Hysteresis between VCC(off)
ICC1 Internal IC consumption, MOSFET switching at 65 kHz
1
7.9
8.5
9.1
V
1
6.9
7.5
8.1
V
1
4.4
4.7
5.1
V
1
−
1.0
−
1
−
0.92
1.1
mA
ICC1 Internal IC consumption, MOSFET switching at 100 kHz
1
−
0.95 1.15
mA
Vclamp Active zener voltage positive offset to VCC(off)
POWER SWITCH CIRCUIT
1
140
200
300
mV
RDS(on)
Vdsb
IDS(off)
Power Switch Circuit on−state resistance (Id = 50 mA)
TJ = 25°C
TJ = 125°C
Power Switch Circuit & Startup breakdown voltage
(IDS(off) = 100 mA, TJ = 25°C)
Power Switch & Startup breakdown voltage off−state leakage current
TJ = −40°C (Vds = 650 V)
TJ = 25°C (Vds = 700 V)
TJ = 125°C (Vds = 700 V)
W
5
−
11
19
5
−
−
24
5
700
−
−
V
mA
5
−
70
120
5
−
50
−
5
−
30
−
Switching characteristics (RL = 50 W, Vds set for Ids = 0.7 x Idslim)
ton
Turn−on time (90% − 10%)
toff
Turn−off time (10% − 90%)
ns
5
−
20
−
5
−
10
−
INTERNAL START−UP CURRENT SOURCE
IC1
High−voltage current source, VCC = 8 V
0°C < TJ < 125°C 1
−40°C < TJ < 125°C
5.0
8.0
10
mA
5.0
8.0
11
IC2
High−voltage current source, VCC = 0
CURRENT COMPARATOR TJ = 255C (Note 2)
Ipeak
Maximum internal current set−point
ILskip
Default internal current set−point for skip cycle operation,
percentage Ipeakmax
1
−
10
−
mA
5
405
450
495
mA
−
−
25
−
%
tDEL
Propagation delay from current detection to drain OFF state
tLEB
Leading Edge Blanking Duration
INTERNAL OSCILLATOR
−
−
125
−
ns
−
−
250
−
ns
fOSC
Oscillation frequency, 65 kHz version, TJ = 25°C (Note 2)
fOSC
Oscillation frequency, 100 kHz version, TJ = 25°C (Note 2)
fdither
Frequency dithering compared to switching frequency (with active DSS)
Dmax
Maximum Duty−cycle
FEEDBACK SECTION
59
65
71
kHz
90
100
110
kHz
−
±3.3
−
%
62
67
72
%
Rup
Internal pull−up resistor
tss
Internal soft−start (guaranteed by design)
SKIP CYCLE GENERATION
4
−
18
−
kW
−
−
1.0
−
ms
Vskip
Default skip mode level on FB pin
TEMPERATURE MANAGEMENT
4
0.5
V
TSD
Temperature shutdown
150
°C
Hysteresis in shutdown
50
°C
2. See characterization curves for temperature evolution
http://onsemi.com
4
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