LT1308AIS8#TR Linear Technology, LT1308AIS8#TR Datasheet - Page 3
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LT1308AIS8#TR
Manufacturer Part Number
LT1308AIS8#TR
Description
IC CONV DC/DC STEP UP HC 8SOIC
Manufacturer
Linear Technology
Type
Step-Up (Boost)r
Datasheet
1.LT1308ACS8PBF.pdf
(20 pages)
Specifications of LT1308AIS8#TR
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
5V
Current - Output
1A
Frequency - Switching
600kHz
Voltage - Input
1 ~ 10 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power - Output
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
ELECTRICAL CHARACTERISTICS
range, otherwise specifi cations are at T
SYMBOL
I
V
I
g
A
f
The
Industrial Grade –40°C to 85°C. V
SYMBOL
I
V
I
g
A
Q
B
OSC
Q
B
m
m
FB
V
FB
V
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at T
PARAMETER
Quiescent Current
Feedback Voltage
FB Pin Bias Current
Reference Line Regulation
Minimum Input Voltage
Error Amp Transconductance
Error Amp Voltage Gain
Switching Frequency
Maximum Duty Cycle
Switch Current Limit
Switch V
Burst Mode Operation Switch Current Limit
(LT1308A)
Shutdown Pin Current
LBI Threshold Voltage
LBO Output Low
LBO Leakage Current
LBI Input Bias Current (Note 5)
Low-Battery Detector Gain
Switch Leakage Current
PARAMETER
Quiescent Current
Feedback Voltage
FB Pin Bias Current
Reference Line Regulation
Minimum Input Voltage
Error Amp Transconductance
Error Amp Voltage Gain
CESAT
IN
= 1.2V, V
A
= 25°C. Commercial Grade 0°C to 70°C. V
SHDN
= V
IN
, unless otherwise noted.
CONDITIONS
Not Switching, LT1308A
Switching, LT1308B
V
(Note 3)
1.1V ≤ V
2V ≤ V
∆I = 5μA
V
Duty Cycle = 30% (Note 4)
I
I
V
V
V
V
I
V
V
V
CONDITIONS
Not Switching, LT1308A
Switching, LT1308B
V
(Note 3)
1.1V ≤ V
2V ≤ V
∆I = 5μA
SW
SW
SINK
SHDN
IN
IN
SHDN
SHDN
SHDN
LBI
LBI
SW
SHDN
The
= 1.2V
= 2.5V, Circuit of Figure 1
= 2A (25°C, 0°C), V
= 2A (70°C), V
= 250mV, V
= 150mV
= 5V
= 50μA
IN
= 0V (LT1308A/LT1308B)
= 1.1V
= 6V
= 0V
IN
= 0V (LT1308A/LT1308B)
l
IN
IN
≤ 10V
≤ 10V
denotes the specifi cations which apply over the full operating temperature
≤ 2V
≤ 2V
LBO
IN
= 5V
= 1.5V
IN
= 1.5V
IN
= 1.1V, V
SHDN
= V
LT1308A/LT1308B
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
IN
, unless otherwise noted.
MIN
1.20
500
196
194
1.19
MIN
82
2
3000
0.01
1.22
0.03
0.01
0.92
0.01
0.01
0.01
TYP
140
100
600
290
330
400
200
200
0.01
1.22
0.05
0.01
0.92
TYP
140
100
2.5
0.1
27
60
90
20
33
2.5
27
60
3
2
MAX
1.24
0.25
MAX
240
700
350
400
204
206
100
1.25
0.4
0.2
4.5
0.1
0.1
240
80
35
10
0.4
0.2
80
4
1
1
5
A
4
1
1
= 25°C.
μmhos
1308abfb
μmhos
UNITS
UNITS
3
%/V
%/V
%/V
%/V
kHz
V/V
V/V
mA
mV
mV
mA
mV
mV
mA
V/V
μA
μA
nA
μA
μA
μA
μA
nA
μA
μA
μA
nA
%
V
V
A
V
V
V