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LTC1514-5 датащи(PDF) 2 Page - Linear Technology

номер детали LTC1514-5
подробное описание детали  Step-Up/Step-Down Switched Capacitor DC/DC Converters with Low-Battery Comparator
PDF  8 Pages
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производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
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LTC1514-5 датащи(HTML) 2 Page - Linear Technology

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LTC1514-3.3/LTC1514-5
ABSOLUTE MAXIMUM RATINGS
PACKAGE/ORDER INFORMATION
ORDER PART
NUMBER
S8 PART MARKING
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.
LTC1514CS8-3.3
LTC1514CS8-5
LTC1514IS8-3.3
LTC1514IS8-5
15143
15145
1514I3
1514I5
Consult factory for Military grade parts.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN Operating Voltage
LTC1514-3.3
q
2.0
8
V
LTC1514-5
q
2.7
10
V
VOUT (LTC1514-3.3)
2V
≤ VIN ≤ 8V, IOUT ≤ 15mA
q
3.17
3.3
3.43
V
3V
≤ VIN ≤ 8V, IOUT ≤ 50mA
q
3.17
3.3
3.43
V
VOUT (LTC1514-5)
2.7V
≤ VIN ≤ 10V, IOUT ≤ 15mA
q
4.8
5
5.2
V
3.3V
≤ VIN ≤ 10V, IOUT ≤ 50mA
q
4.8
5
5.2
V
VIN Operating Current
VIN ≤ 5V, IOUT = 0, SHDN = 3V
q
60
100
µA
VIN > 5V, IOUT = 0, SHDN = 3V
q
75
120
µA
VIN Shutdown Current
SHDN = 0V, VIN ≤ 5V
q
10
20
µA
SHDN = 0V, VIN > 5V
35
µA
Output Ripple
Full Load (Note 2)
100
mVP-P
Switching Frequency
q
500
650
800
kHz
LBI Trip Point
LBI Ramping Negative
q
1.110
1.145
1.180
V
LBI Trip Point Hysteresis
1%
LBI Input Current
LBI = 1.145V
q
–50
50
nA
LBO VOL
ISINK = 100µA, VIN = 3V
q
0.025
0.4
V
LBO Leakage Current
VLBO = 5V, LBI = VIN
q
–1
1
µA
SHDN Input Threshold
VIL
q
0.4
1
V
VIH
q
1
1.6
V
SHDN Input Current
SHDN = VIN
q
–1
1
µA
SHDN = 0V
q
–1
1
µA
IOUT Short-Circuit Current
VOUT = 0V
q
12
40
mA
tON
Soft Start Turn-On Time
4
ms
VIN = 2V to 10V, SHDN = 3V, C1 = 0.22µF, CIN = COUT = 10µF, unless otherwise noted (Note 2).
ELECTRICAL CHARACTERISTICS
1
2
3
4
8
7
6
5
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SO
SHDN
LBO
LBI
GND
VOUT
VIN
C1+
C1–
TJMAX = 125°C, θJA = 110°C/ W
Note 2: For VIN ≥ 8V, COUT = 22µF.
(Note 1)
VIN to GND ................................................ – 0.3V to 12V
VOUT to GND ............................................. – 0.3V to 12V
SHDN, LBI, LBO to GND ........................... – 0.3V to 12V
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



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