TK75020 データシートの表示（PDF） - Toko America Inc
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TK75020 Datasheet PDF : 11 Pages
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TK75020
ABSOLUTE MAXIMUM RATINGS
All Pins Except T / SS, T
,V ,C,
ON
OFF(MAX) REF T
ODP and EN (Low Impedance Source) ................... 16 V
TON / SS, T , OFF(MAX) ref, CT, ODP Pins .......................... 6 V
EN Pin ...................................................................... 16 V
Power Dissipation (Note 1) ................................ 500 mW
Maximum Current (VCC and ZVD Pins) .................. 20 mA
Storage Temperature Range ................... -55 to +150 °C
Operating Temperature Range ...................-20 to +85 °C
Junction Temperature .......................................... 150 °C
Lead Soldering Temperature (10 s) ..................... 235 °C
TK75020 ELECTRICAL CHARACTERISTICS
Test conditions: VCC = 12 V, VEN = 2.4 V, CT = 360 pF, ITON / SS = ITOFF(MAX) = 50 µA, DRV is Open, TA = Full Operating
Temperature Range, Typical numbers apply at TA = 25 °C, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNITS
ICC(OFF)
ICC(OFF,H)
ICC(UVLO)
ICC(ON)
Supply Current OFF
Supply Current OFF, HIGH
Supply Current, UVLO Mode
Supply Current ON
ICC(ON,DRV) Supply Current ON, DRV
VCC(ON)
UVLO High Threshold
VCC(OFF)
UVLO Low Threshold
V
UVLO Hysteresis
CC(HYST)
ON/OFF SECTION (EN PIN)
VEN = 0 V
VEN = 0 V, VCC = 16 V
VCC = 5 V
VCC = 6 V
6 V < VCC < 16 V
VCC = 6 V, CDRV = 1 nF
6 V < VCC < 16 V
2
100
µA
2
mA
700 1000
µA
4.7
6
mA
8
mA
5.6
8
mA
10
mA
5.2
5.6
6.0
V
5.0
5.3
5.6
V
80
500
mV
VEN
Threshold Voltage
6 V < VCC < 16 V
0.4
2.4
V
IEN
Input Current
VEN = 2.4 V
VEN = 0 V, (Note 2)
4
-100
µA
nA
REFERENCE SECTION (VREF PIN)
Vref
Reference Output Voltage
Iref = 0 mA
TA = 25 ° C
TA = Full Range
3.8
3.7
4.0
4.0
4.2
4.3
V
V
|∆Vref(LOAD)| Load Regulation
-1 mA < Iref < 0 mA
4.0
mV
|∆Vref(LINE)| Line Regulation
6 V < VCC < 16 V
15
mV
Iref(SC)
Short Circuit Current
Vref = 0 V
-12
mA
Note 1: Power Dissipation is 500 mW when mounted as recommended. Derate at 4 mW/°C for operation above 25°C.
Note 2: Guaranteed by design.
Page 2
January 1999 TOKO, Inc.
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