L4915 데이터 시트보기 (PDF) - STMicroelectronics
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L4915 Datasheet PDF : 7 Pages
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L4915
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol
Vi
Vi
IO
Ptot
Tstg
Parameter
Peak Input Voltage (300 ms)
DC Input Voltage
Output Current
Power Dissipation
Storage and Junction Temperature
Value
Unit
40
V
28
V
Internally Limited
Internally Limited
– 40 to 150
°C
THERMAL DATA
Symbol
Rth j-amb
Rth j-pins
Parameter
Thermal Resistance Junction-ambient
Thermal Resistance Junction-pins
Max.
Max.
Value
80
20
Unit
°C/W
°C/W
ELECTRICAL CHARACTERISTICS
(Tamb = 25oC; Vi = 13.5 V, VO = 8.5V, circuit of Fig. 1, unless otherwise specified)
Symbol
Vi
Vo
∆VI/O
∆VO
∆Vo
∆Vo
Vref
Iq
∆Iq
IAD
Parameter
Input Voltage
Output Voltage
Controlled Input-output Dropout Voltage
Line Regulation
Load Regulation
Load Regulation (filter mode)
Internal Voltage Reference
Quiescent Current
Quiescent Current Change
Adjust Input Current
Test Conditions
Vi = 6 to 18V, Io = 5 to 150mA
Io = 5 to 150mA, Vi = 6 to 10V
Vi = 12 to 18V, Io = 10mA
Io = 5 to 250mA,
ton = 30µs, toff = ≥ 1ms
Vi = 8.5V, Io = 5 to 150mA
ton = 30µs, toff =≥ 1ms
Io = 5 mA
Vi = 6 to 18V, Io = 5 to 150mA
Min. Typ. Max. Unit
20
V
4
11
V
1.6 2.1
V
1 20 mV
50 100 mV
150 250 mV
2.5
V
1
2
mA
0.05
mA
40
nA
2/7
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