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LT1300 Datasheet(PDF) 2 Page - Linear Technology

Part No. LT1300
Description  Micropower High Efficiency 3.3/5V Step-Up DC/DC Converter
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LT1300 Datasheet(HTML) 2 Page - Linear Technology

   
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2
LT1300
ORDER PART
NUMBER
ABSOLUTE MAXIMUM RATINGS
PACKAGE/ORDER INFORMATION
VIN Voltage .............................................................. 10V
SW1 Voltage ............................................................ 20V
Sense Voltage .......................................................... 10V
SHUTDOWN Voltage................................................ 10V
SELECT Voltage ....................................................... 10V
ILIM Voltage ............................................................ 0.5V
Maximum Power Dissipation ............................. 500mW
Operating Temperature Range ..................... 0
°C to 70°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
S8 PART MARKING
TJMAX = 100°C, θJA = 150°C/ W
1300
LT1300CN8
LT1300CS8
Consult factory for Industrial grade parts.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IQ
Quiescent Current
VSHDN = 0.5V, VSEL = 5V, VSENSE = 5.5V
q
120
200
µA
VSHDN = 1.8V
q
715
µA
VIN
Input Voltage Range
1.8
V
q
2.0
V
VOUT
Output Sense Voltage
VSEL = 5V
q
4.80
5.0
5.20
V
VSEL = 0V
q
3.15
3.3
3.45
V
Output Referred
VSEL = 5V (Note 1)
q
22
50
mV
Comparator Hysteresis
VSEL = 0V (Note 1)
q
14
35
mV
Oscillator Frequency
Current Limit not Asserted. See Test Circuit.
120
155
185
kHz
Oscillator TC
0.2
%/
°C
DC
Maximum Duty Cycle
75
86
95
%
tON
Switch On Time
Current Limit not Asserted.
5.6
µs
Output Line Regulation
1.8V < VIN < 6V
q
0.06
0.15
%/V
VCESAT
Switch Saturation Voltage
ISW = 700mA
q
130
200
mV
Switch Leakage Current
VSW = 5V, Switch Off
q
0.1
10
µA
Peak Switch Current
ILIM Floating (See Typical Application)
0.75
1.0
1.25
A
(Internal Trip Point)
ILIM Grounded
0.4
A
VSHDNH
Shutdown Pin High
q
1.8
V
VSHDNL
Shutdown Pin Low
0.5
V
VSELH
Select Pin High
q
1.5
V
VSELL
Select Pin Low
q
0.8
V
ISHDN
Shutdown Pin Bias Current
VSHDN = 5V
q
920
µA
VSHDN = 2V
q
3
µA
VSHDN = 0V
q
0.1
1
µA
ISEL
Select Pin Bias Current
0V < VSEL < 5V
q
13
µA
ELECTRICAL CHARACTERISTICS T
A = 25°C, VIN = 2V unless otherwise noted.
Note 1: Hysteresis specified is DC. Output ripple may be higher if
output capacitance is insufficient or capacitor ESR is excessive. See
applications section.
The q denotes specifications which apply over the 0
°C to 70°C
temperature range.
1
2
3
4
8
7
6
5
TOP VIEW
GND
SEL
SHDN
SENSE
PGND
SW
VIN
ILIM
N8 PACKAGE
8-LEAD PLASTIC DIP
S8 PACKAGE
8-LEAD PLASTIC SOIC


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