L6235PD 데이터 시트보기 (PDF) - STMicroelectronics
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L6235PD Datasheet PDF : 35 Pages
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L6235
Electrical characteristics
Symbol
Table 5. Electrical characteristics (continued)
(VS = 48 V, Tamb = 25 °C, unless otherwise specified)
Parameter
Test conditions
Min. Typ.
PWM comparator and monostable
IRCOFF Source current at pin RCOFF
VOFFSET Offset voltage on sense comparator
tprop Turn OFF propagation delay(3)
tblank Internal blanking time on sense comparator
tON(min) Minimum on time
tOFF PWM recirculation time
IBIAS Input bias current at pin VREF
TACHO monostable
VRCOFF = 2.5 V
Vref = 0.5 V
Vref = 0.5 V
ROFF = 20 k; COFF 1 nF
ROFF= 100 k; COFF 1 nF
3.5 5.5
±5
500
1
1.5
13
61
IRCPULSE Source current at pin RCPULSE
tPULSE Monostable of time
RTACHO Open drain ON resistance
VRCPULSE = 2.5 V
3.5 5.5
RPUL = 20 k; CPUL 1 nF
12
RPUL = 100 k; CPUL 1 nF
60
40
Overcurrent detection and protection
ISOVER Supply overcurrent protection threshold
ROPDR Open drain ON resistance
IOH OCD high level leakage current
tOCD(ON) OCD turn-ON delay time(4)
tOCD(OFF) OCD turn-OFF delay time(9)
TJ = -25 to 125 °C(6)
4.0 5.6
IDIAG = 4 mA
40
VDIAG = 5 V
1
IDIAG = 4 mA; CDIAG < 100 pF
200
IDIAG = 4 mA; CDIAG < 100 pF
100
1. Tested at 25 °C in a restricted range and guaranteed by characterization.
2. SeeFigure 3: Switching characteristic definition.
3. Measured applying a voltage of 1 V to pin SENSE and a voltage drop from 2 V to 0 V to pin VREF.
4. See Figure 4: Overcurrent detection timing definition.
Max.
2
10
60
7.1
60
Unit
mA
mV
ns
µs
µs
s
s
µA
mA
s
s
W
A
W
µA
ns
ns
DocID7618 Rev 2
9/35
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