L6228PD 데이터 시트보기 (PDF) - STMicroelectronics
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L6228PD Datasheet PDF : 26 Pages
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L6228
ELECTRICAL CHARACTERISTICS (continued)
(Tamb = 25°C, Vs = 48V, unless otherwise specified)
Symbol
Parameter
Test Conditions
Vth(ON) Turn-on Input Threshold
Vth(OFF) Turn-off Input Threshold
Vth(HYS) Input Threshold Hysteresis
Switching Characteristics
tD(ON)EN Enable to Output Turn-on Delay
Time (8)
ILOAD =1.4A, Resistive Load
tD(OFF)EN Enable to Output Turn-off Delay ILOAD =1.4A, Resistive Load
Time (8)
tRISE Output Rise Time (8)
ILOAD =1.4A, Resistive Load
tFALL Output Fall Time (8)
ILOAD =1.4A, Resistive Load
tDCLK Clock to Output Delay Time (9) ILOAD =1.4A, Resistive Load
tCLK(min)L Minimum Clock Time (10)
tCLK(min) Minimum Clock Time (10)
H
fCLK Clock Frequency
tS(MIN) Minimum Set-up Time (11)
tH(MIN) Minimum Hold Time (11)
tR(MIN) Minimum Reset Time (11)
tRCLK(MIN Minimum Reset to Clock Delay
)
Time (11)
tDT Dead Time Protection
fCP Charge Pump Frequency
Tj = -25°C to 125°C (7)
PWM Comparator and Monostable
IRCA, IRCB Source Current at pins RCA and VRCA = VRCB = 2.5V
RCB
Voffset Offset Voltage on Sense
Comparator
VREFA, VREFB = 0.5V
tPROP Turn OFF Propagation Delay (12)
tBLANK Internal Blanking Time on
SENSE pins
tON(MIN) Minimum On Time
tOFF PWM Recirculation Time
ROFF = 20KΩ; COFF = 1nF
ROFF = 100KΩ; COFF = 1nF
6/26
Min Typ Max Unit
1.8
2.0
V
0.8
1.3
V
0.25 0.5
V
500 650 800
ns
500 800 1000 ns
40
250
ns
40
250
ns
2
µs
1
µs
1
µs
100 KHz
1
µs
1
µs
1
µs
1
µs
0.5
1
0.6
µs
1
MHz
3.5
5.5
mA
±5
mV
500
ns
1
µs
2.5
3
µs
13
µs
61
µs
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