EXPOSED PAD (PIN 17) IS PGND, MUST BE SOLDERED TO PCB
PGND 10
FE PACKAGE
20-LEAD PLASTIC TSSOP
T
JMAX
= 125°C,
θ
JA
= 31.5°C/W,
θ
JC
= 4.1°C/W
EXPOSED PAD (PIN 21) IS PGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LTC3113EDHD#PBF
LTC3113IDHD#PBF
LTC3113EFE#PBF
LTC3113IFE#PBF
TAPE AND REEL
LTC3113EDHD#TRPBF
LTC3113IDHD#TRPBF
LTC3113EFE#TRPBF
LTC3113IFE#TRPBF
PART MARKING*
3113
3113
LTC3113FE
LTC3113FE
PACKAGE DESCRIPTION
16-Lead (5mm
×
4mm) Plastic DFN
16-Lead (5mm
×
4mm) Plastic DFN
20-Lead Plastic TSSOP
20-Lead Plastic TSSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
3113f
2
LTC3113
ELECTRICAL CHARACTERISTICS
PARAMETER
Input Operating Range
Output Voltage Adjust Range
Feedback Voltage
Feedback Input Current
Quiescent Current–Burst Mode Operation
Quiescent Current–Shutdown
Quiescent Current–Active
Input Current Limit
Peak Current Limit
Burst Mode Peak Current Limit
Reverse Current Limit
NMOS Switch Leakage
PMOS Switch Leakage
NMOS Switch On-Resistance
PMOS Switch On-Resistance
Maximum Duty Cycle
Minimum Duty Cycle
Frequency Accuracy
Error Amp AVOL
Error Amp Source Current
Error Amp Sink Current
BURST Input Logic Threshold
BURST Input Current
RUN Input Logic Threshold
RUN Input Current
Soft-Start Time
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2:
The LTC3113 is tested under pulsed load conditions such that
T
J
≈ T
A
. The LTC3113E is guaranteed to meet performance specifications
from 0°C to 85°C junction temperature. Specifications over the
–40°C to 125°C operating temperature range are assured by design,
characterization and correlation with statistical process controls. The
LTC3113I is guaranteed to meet performance specifications over the
–40°C to 125°C operating junction temperature range.
V
RUN
= 5.5V
V
BURST
= 5.5V
l
The
l
denotes specifications which apply over the full junction temperature
range, otherwise specifications are at T
A
= 25°C (Note 2). V
IN
= 3.3V, V
OUT
= 3.8V unless otherwise noted.
CONDITION
l
l
l
MIN
1.8
1.8
588
TYP
MAX
5.5
5.5
UNITS
V
V
mV
nA
μA
μA
μA
A
A
A
A
μA
μA
μA
μA
mΩ
mΩ
mΩ
mΩ
%
%
V
BURST
= 0V
V
FB
= 0.7V
V
BURST
= 3.3V
V
OUT
= 0V, V
RUN
= 0V, Not Including Switch Leakage
V
FB
= 0.7V, V
BURST
= 0V, R
T
= 90.9k
600
0
40
0.1
300
612
50
55
1
500
9.8
16.0
2.9
–0.4
10
10
20
20
l
5.8
6.5
0.9
–1.6
7.8
11.1
1.9
–1
0.01
0.01
0.01
0.01
25
35
30
40
Switch B, SW1 = 5.5V, V
IN
= 5.5V, V
OUT
= 5.5V
Switch C, SW2 = 5.5V, V
IN
= 5.5V, V
OUT
= 5.5V
Switch A, V
IN
= 5.5V, V
OUT
= 5.5V, SW1 = 0V
Switch D, V
IN
= 5.5V, V
OUT
= 5.5V, SW2 = 0V
Switch B, V
OUT
= 3.8V
Switch C, V
OUT
= 3.8V
Switch A, V
IN
= 3.3V
Switch D, V
OUT
= 3.8V
Boost (% Switch C On)
Buck (% Switch A On)
R
T
= 90.9k
V
C
= 0V, V
FB
= 0V
V
C
= 1.2V, V
FB
= 0.7V
l
l
l
l
l
80
100
0.8
90
0
1
100
500
160
1.2
%
MHz
dB
μA
μA
0.3
0.3
0.7
0
0.7
0
2
1.2
1
1.2
1
V
μA
V
μA
ms
Note 3:
This IC includes overtemperature protection that is intended to
protect the device during momentary overload conditions. The maximum
rated junction temperature will be exceeded when the protection is active.
Continuous operation above the specified absolute maximum operating
junction temperature may impair device reliability or permanently damage
the device.
Note 4:
Voltage transients on the switch pins beyond the DC limit specified
in the absolute maximum ratings are non-disruptive to normal operation
when using good layout practices, as shown on the demo board or
described in the data sheet and application notes.
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