LT1300CS8 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT1300CS8' PDF : 8 Pages View PDF
LT1300
ABSOLUTE MAXIMUM RATINGS
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
PACKAGE/ORDER INFORMATION
GND 1
SEL 2
SHDN 3
SENSE 4
TOP VIEW
8 PGND
7 SW
6 VIN
5 ILIM
N8 PACKAGE
S8 PACKAGE
8-LEAD PLASTIC DIP 8-LEAD PLASTIC SOIC
ORDER PART
NUMBER
LT1300CN8
LT1300CS8
S8 PART MARKING
TJMAX = 100°C, θJA = 150°C/ W
Consult factory for Industrial grade parts.
1300
ELECTRICAL CHARACTERISTICS TA = 25°C, VIN = 2V unless otherwise noted.
SYMBOL PARAMETER
IQ
Quiescent Current
VIN
Input Voltage Range
VOUT
Output Sense Voltage
DC
tON
VCESAT
VSHDNH
VSHDNL
VSELH
VSELL
ISHDN
Output Referred
Comparator Hysteresis
Oscillator Frequency
Oscillator TC
Maximum Duty Cycle
Switch On Time
Output Line Regulation
Switch Saturation Voltage
Switch Leakage Current
Peak Switch Current
(Internal Trip Point)
Shutdown Pin High
Shutdown Pin Low
Select Pin High
Select Pin Low
Shutdown Pin Bias Current
ISEL
Select Pin Bias Current
CONDITIONS
VSHDN = 0.5V, VSEL = 5V, VSENSE = 5.5V
VSHDN = 1.8V
VSEL = 5V
VSEL = 0V
VSEL = 5V (Note 1)
VSEL = 0V (Note 1)
Current Limit not Asserted. See Test Circuit.
Current Limit not Asserted.
1.8V < VIN < 6V
ISW = 700mA
VSW = 5V, Switch Off
ILIM Floating (See Typical Application)
ILIM Grounded
VSHDN = 5V
VSHDN = 2V
VSHDN = 0V
0V < VSEL < 5V
MIN TYP MAX
UNITS
q
120 200
µA
q
7
15
µA
1.8
V
q
2.0
V
q
4.80 5.0 5.20
V
q
3.15 3.3 3.45
V
q
22 50
mV
q
14 35
mV
120 155 185
kHz
0.2
%/ °C
75 86 95
%
5.6
µs
q
0.06 0.15
%/V
q
130 200
mV
q
0.1 10
µA
0.75 1.0 1.25
A
0.4
A
q
1.8
V
0.5
V
q
1.5
V
q
0.8
V
q
9
20
µA
q
3
µA
q
0.1 1
µA
q
1
3
µA
The q denotes specifications which apply over the 0°C to 70°C
temperature range.
Note 1: Hysteresis specified is DC. Output ripple may be higher if
output capacitance is insufficient or capacitor ESR is excessive. See
applications section.
2
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