L4938N - L4938ND - L4938NPD
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VS
DC Supply Voltage
28
V
Transient Supply Voltage (T < 1s)
40
V
Tj, Tstg Junction and Storage Temperature Range
–55 to 150
°C
ISI
Sense Input Current (VSI ≤0.3V or VSI > VS)
±1
mA
IEN
Enable Input Current (VEN ≤0.3V)
±1
mA
VEN
Enable Input Voltage
VS
VRES, VSO Reset and Sense Output Voltage
20
V
IRES, ISO Reset and Sense Output Current
PD
Power Dissipation
) Note : The circuit is ESD protected according to MIL–STD–883C.
duct(s APPLICATION CIRCUIT
5
mA
875
mW
bsolete PPrrooduct(s) VS1
) - O lete CS
ct(s bso REFERENCE
rodu ) - O VS2
P t(s EN
solete roduc 1.23V
REG1
REG2
2µ
Ob lete P RESET
o SI
Obs SENSE 1.23V
1.23V
2.0V
VO1
CO1
VO2
ADJ
CO2
CT
RES
SO
CT
RRES
VO1
RSO
GND
(optional)
D94AT144A
CS ≥ 1µF ; C01 ≥ 6µF ; C02 ≥ 10µF, ESR < 10Ω at 10KHz
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