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UCC28220 Datasheet(Arkusz danych) 5 Page - Texas Instruments

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Numer części UCC28220
Szczegółowy opis  INTERLEAVED DUAL PWM CONTROLLER WITH PROGRAMMABLE MAX DUTY CYCLE
Pobierz  24 Pages
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Producent  TI [Texas Instruments]
Strona internetowa  http://www.ti.com
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UCC28220, UCC28221
SLUS544A − SEPTEMBER 2003 − REVISED AUGUST 2004
5
www.ti.com
ELECTRICAL CHARACTERISTICS:
VDD = 12 V, 0.1-µF capacitor from VDD to GND, 0.1-µF capacitor from REF to GND, FOSC = 1 MHz, TA = −40°C to
105
°C, TA = TJ, (unless otherwise noted).
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNITS
Output Section (OUT1, OUT2)
Low level
IOUT = 10 mA
0.4
1
V
High level
IOUT = −10 mA, VREF – VOUT
0.4
1
V
Rise time
CLOAD = 50 pF
10
20
ns
Fall time
CLOAD = 50 pF
10
20
ns
LINE Sense section
LINEOV threshold
TA = 25°C
1.240
1.260
1.280
LINEOV threshold
TA =−40°C to 105°C
1.235
1.260
1.285
LINEUV threshold
TA = 25°C
1.240
1.260
1.280
V
LINEUV threshold
TA =−40°C to 105°C
1.235
1.260
1.285
V
LINEHYST pull up voltage
LINEOV = 2 V, LINEUV = 2 V
3.1
3.25
3.4
LINEHYST off leakage
LINEOV = 0 V, LINEUV = 2 V
−500
0
500
nA
LINEHYS pull-up resistance
I = −20
µA
100
500
LINEHYS pull-down resistance
I = 20
µA
100
500
LINEOV, LINEUV bias I
LINEOV = 1.25 V, LINEUV = 1.25 V
−500
500
nA
NOTES: (1). Ensured by design. Not 100% tested in production.




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