LTC1514-3.3 LINER [Linear Technology], LTC1514-3.3 Datasheet - Page 2

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LTC1514-3.3

Manufacturer Part Number
LTC1514-3.3
Description
Step-Up/Step-Down Switched Capacitor DC/DC Converters with Low-Battery Comparator
Manufacturer
LINER [Linear Technology]
Datasheet
ABSOLUTE
ELECTRICAL CHARACTERISTICS
V
PARAMETER
V
V
V
V
V
Output Ripple
Switching Frequency
LBI Trip Point
LBI Trip Point Hysteresis
LBI Input Current
LBO V
LBO Leakage Current
SHDN Input Threshold
SHDN Input Current
I
t
LTC1514-3.3/LTC1514-5
(Note 1)
V
V
SHDN, LBI, LBO to GND ........................... – 0.3V to 12V
V
Operating Temperature Range
Storage Temperature Range ................. – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
The
temperature range.
Note 1: Absolute Maximum Ratings are those values beyond which the life of
the device may be impaired.
2
OUT
ON
IN
OUT
OUT
IN
IN
IN
IN
OUT
OUT
Commercial ............................................. 0 C to 70 C
Industrial ........................................... – 40 C to 85 C
Operating Voltage
Operating Current
Shutdown Current
= 2V to 10V, SHDN = 3V, C1 = 0.22 F, C
Short-Circuit Current
to GND ................................................ – 0.3V to 12V
(LTC1514-3.3)
(LTC1514-5)
OL
denotes specifications which apply over the full operating
to GND ............................................. – 0.3V to 12V
Short-Circuit Duration ............................. Indefinite
W
MAXIMUM
W W
RATINGS
CONDITIONS
LTC1514-3.3
V
V
SHDN = 0V, V
SHDN = 0V, V
LBI Ramping Negative
LTC1514-5
2V V
3V V
2.7V V
3.3V V
Full Load (Note 2)
LBI = 1.145V
I
V
V
V
SHDN = V
SHDN = 0V
V
Soft Start Turn-On Time
IN
SINK
IN
IN
LBO
IL
IH
OUT
= C
> 5V, I
= 100 A, V
= 5V, LBI = V
= 0V
5V, I
OUT
IN
IN
U
IN
IN
IN
OUT
OUT
8V, I
8V, I
= 10 F, unless otherwise noted (Note 2).
10V, I
10V, I
IN
IN
= 0, SHDN = 3V
= 0, SHDN = 3V
OUT
OUT
> 5V
IN
5V
IN
= 3V
OUT
OUT
15mA
50mA
15mA
50mA
PACKAGE/ORDER
Consult factory for Military grade parts.
Note 2: For V
SHDN
GND
LBO
LBI
T
JMAX
IN
1
2
3
4
8-LEAD PLASTIC SO
= 125 C,
S8 PACKAGE
8V, C
TOP VIEW
OUT
JA
= 110 C/ W
1.110
= 22 F.
MIN
3.17
3.17
500
– 50
2.0
2.7
4.8
4.8
0.4
– 1
– 1
– 1
8
7
6
5
V
V
C1
C1
OUT
IN
+
INFORMATION
1.145
0.025
U
TYP
100
650
3.3
3.3
60
75
10
12
5
5
1
1
1
4
S8 PART MARKING
LTC1514CS8-3.3
LTC1514CS8-5
LTC1514IS8-3.3
LTC1514IS8-5
15143
15145
ORDER PART
NUMBER
W
1.180
MAX
3.43
3.43
100
120
800
5.2
5.2
0.4
1.6
10
20
35
50
40
8
1
1
1
1514I3
1514I5
UNITS
mV
U
kHz
mA
ms
P-P
nA
%
V
V
V
V
V
V
A
A
A
A
V
V
A
V
V
A
A

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