TK75002DIMG/75002 Ver la hoja de datos (PDF) - Toko America Inc
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TK75002DIMG/75002 Datasheet PDF : 10 Pages
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TK75002
ABSOLUTE MAXIMUM RATINGS
Supply Voltage ........................................................... 7 V
Power Dissipation (Note 1) ................................ 825 mW
Storage Temperature Range ................... -55 to +150 °C
Operating Temperature Range ...................-20 to +70 °C
Extended Temperature Range (I) .............. -40 to +85 °C
Operating Voltage Range ............................... 1.6 to 12 V
Junction Temperature .......................................... 150 °C
Lead Soldering Temperature (10 s) ..................... 235 °C
TK75002 ELECTRICAL CHARACTERISTICS
Test conditions: VCC = 5 V, TA = Full Operating Range. Typical numbers apply at TA = 25 °C, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNITS
ICC(OFF)
Standby Supply Current
VCC = 3.5 V
ICC(ON)
Operating Supply Current
DRV Pin Open
VCC
Operating Voltage Range
VCC(ON)
UVLO High Threshold
VCOMP = Vref(EA)
VCC(HYST)
UVLO Hysteresis
VCOMP = Vref(EA)
ERROR AMPLIFIER SECTION (INV AND COMP PINS)
100 600 1000 µA
9.5
15
mA
4.7
7
V
3.5
4.1
4.7
V
15
120 300 mV
Vref(EA)
AOL
GBW
Equivalent Internal Reference
Voltage
Open Loop Gain
Gain-Bandwidth Product
TA = 25 ° C
TA = Full Range
1.330
1.31
53
1.350
65
4.5
1.370
1.39
V
V
dB
MHz
PSSR
Power Supply Rejection Ratio
50
70
dB
ICOMP(SINK)
Maximum Sink Current
V = Short to V
COMP
CC
ICOMP(SRC)
Maximum Source Current
VCOMP = Short to GND
IINV
Bias Current
VINV = VCOMP
PULSE AMPLITUDE MODULATOR SECTION (DRV PIN)
2
4
6
mA
-25
-18
-5
mA
-2
0.2
2
µA
IDRV(PK)
tOFF,D
Peak Drive Current Threshold
Turn-off Delay from Peak
Detection to DRV Pin
L = 5 µH
30
55
75
mA
50
175 350
ns
V -V
CC
DRV(ON)
Peak Voltage Across Pulse
Transformer
I=
DRV
I
,
DRV(PK)
V
CC
≥
5
V
2.8
3.5
4.8
V
VDRV(OFF) - VCC
Peak Voltage Across Clamp
Diode
IDRV = 50 mA
0.6
0.8
1.2
V
VTRD,TH
Transformer Reset Detector
Threshold
290 650 950 mV
k
Gain of Level Shifter Stage
1.00 1.25 1.45 V/V
Note 1: Power dissipation is 825 mW when mounted as recommended. Derate at 6.6 mW/°C for operation above 25 °C.
Page 2
January 1999 TOKO, Inc.
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