TK75005 Ver la hoja de datos (PDF) - Toko America Inc
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TK75005 Datasheet PDF : 9 Pages
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TK75005
TEST CIRCUIT
DRV
GND
OVP
CT
1 nF
CT
680pF
100 k
EAOUT
EAIN
FB
3k
3k
INV AMP IN
VCC
CCC
4.7 µF
TYPICAL PERFORMANCE CHARACTERISTICS
SUPPLY CURRENT vs.
SUPPLY VOLTAGE
20
16
DEVICE ON
12
FREQUENCY AT DRV PIN VS. TIMING
CAPACITANCE (-25 TO 85 °C)
10000
1000
0.8
STANDBY
0.4
0.0
0
4
8 12 16 20
VCC (V)
100
10
10
100
1000
CT (pF)
10000
SUPPLY CURRENT vs.
FREQUENCY AT DRV
50
REFERENCE VOLTAGE vs.
TEMPERATURE
2.6
40
2.56
CDRV = 1 nF
30
2.52
20
CDRV = 470 pF
2.48
10
2.44
CDRV = 0 pF
0
2.40
0
400 800 1200 1600
-50
0
50
100
FREQUENCY (kHz)
TEMPERATURE (°C)
SLOPE COMPENSATION PEAK
CURRENT vs. TEMPERATURE
-100
-140
-180
-220
-260
-50
0
50
100
TEMPERATURE (°C)
SLOPE COMPENSATION RAMP
600
ISC(PK)
450
300
ISC(PK) - ISC(VL)
150
0
RFB = 3 k TO GND
CT = 680 pF, EAOUT(HIGH)
0
5
10
15
TIME (µs)
ISC(VL)
20
Page 4
January 1999 TOKO, Inc.
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