LTC1516 데이터 시트보기 (PDF) - Linear Technology
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LTC1516 Datasheet PDF : 8 Pages
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LTC1516
ABSOLUTE MAXIMUM RATINGS
(Note 1)
VIN to GND ...................................................– 0.3V to 6V
VOUT to GND ................................................– 0.3V to 6V
SHDN to GND ..............................................– 0.3V to 6V
VOUT Short-Circuit Duration ............................. Indefinite
Operating Temperature Range
Commercial ............................................. 0°C to 70°C
Industrial ............................................ – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
C1+ 1
VIN 2
VOUT 3
C2+ 4
TOP VIEW
8 C1–
7 SHDN
6 GND
5 C2–
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 125°C, θJA = 150°C/ W
Consult factory for Military grade parts.
ORDER PART
NUMBER
LTC1516CS8
LTC1516IS8
S8 PART MARKING
1516
1516I
ELECTRICAL CHARACTERISTICS
VIN = 2V to 5V, C1 = C2 = 0.22µF, CIN = COUT = 10µF, TMIN to TMAX unless otherwise specified (Note 3).
SYMBOL PARAMETER
CONDITIONS
MIN
TYP MAX UNITS
VIN
Input Voltage
VOUT Output Voltage
ICC
Supply Current
Output Ripple
Efficiency
fOSC Switching Frequency
VIH
SHDN Input Threshold
VIL
IIH
SHDN Input Current
IIL
tON
VOUT Turn-On Time
q
2
5
V
2V ≤ VIN ≤ 5V, IOUT ≤ 20mA
3V ≤ VIN ≤ 3.6V, IOUT ≤ 50mA
3.6V ≤ VIN ≤ 5V, IOUT ≤ 50mA, TA = 25°C (Note 2)
q 4.8
q 4.8
4.8
5.2
V
5.2
V
5.2
V
2V ≤ VIN ≤ 5V, IOUT = 0mA, SHDN = 0V
q
2V ≤ VIN ≤ 5V, IOUT = 0mA, SHDN = VIN
q
12
20
µA
0.005
1
µA
Full Load
100
mV
VIN = 3V, IOUT = 20mA
Full Load
82
%
600
kHz
q (0.7)(VIN)
q
V
0.4
V
VSHDN = VIN
VSHDN = 0V
VIN = 3V, IOUT = 0mA (Note 3)
q –1
1
µA
q –1
1
µA
500
µs
The q denotes specifications which apply over the full operating
temperature range.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired
Note 2: At input voltages > 3.6V and ambient temperatures >70°C,
continuous power dissipation must be derated to maintain junction
temperatures below 125°C. Derate 6mW/°C above 70°C in SO-8.
Note 3: The LTC1516 is tested with the capacitors shown in Figure 1.
2
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