LT1304-5 LINER [Linear Technology], LT1304-5 Datasheet - Page 2

• Manufacturer Part Number: LT1304-5
• Description: Micropower DC/DC Converters with Low-Battery Detector Active in Shutdown
• Manufacturer: LINER [Linear Technology]

ABSOLUTE
LT1304/LT1304-3.3/LT1304-5
V
SW Voltage ............................................... – 0.4V to 25V
FB Voltage (LT1304) ...................................... V
Sense Voltage (LT1304-3.3/LT1304-5) ..................... 8V
I
SHDN Voltage ............................................................ 6V
LBI Voltage ............................................................... V
LBO Voltage ............................................................... 8V
Maximum Power Dissipation ............................. 500mW
Junction Temperature.......................................... 125 C
Operating Temperature Range ..................... 0 C to 70 C
Storage Temperature Range ................. – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
ELECTRICAL C
PARAMETER
Minimum Operating Voltage
Operating Voltage Range
Quiescent Current
Quiescent Current in Shutdown
Comparator Trip Point
FB Pin Bias Current
Sense Pin Leakage in Shutdown
Output Sense Voltage
Line Regulation
LBI Input Threshold
LBI Bias Current
LBI Input Hysteresis
LBO Output Voltage Low
LBO Output Leakage Current
SHDN Input Voltage High
SHDN Input Voltage Low
SHDN Pin Bias Current
Switch OFF Time
Switch ON Time
Maximum Duty Cycle
Peak Switch Current
2
LIM
IN
Voltage ................................................................ 8V
Voltage .............................................................. 5V
W
MAXIMUM
HARA TERISTICS
W W
C
RATINGS
CONDITIONS
V
V
V
LT1304
LT1304
V
LT1304-3.3
LT1304-5
1.8V V
Falling Edge
I
LBI = 1.5V, LBO = 5V
V
V
Current Limit Not Asserted
Current Limit Not Asserted
I
20k from I
SINK
LIM
SHDN
SHDN
SHDN
SHDN
SHDN
SHDN
Pin Open, V
= 500 A
= 2V, Not Switching
= 0V, V
= 0V, V
= 0V, Fixed Output Versions
= 5V
= 0V
U
IN
LIM
IN
8V
IN
IN
to GND
+ 0.3V
IN
= 2V
= 5V
V
IN
= 5V
= 2V, V
IN
SHDN
PACKAGE/ORDER
Consult factory for Industrial and Military grade parts.
= 2V unless otherwise noted.
LBO
SW
LBI
V
IN
T
*FIXED OUTPUT VERSION
JMAX
1
2
3
4
8-LEAD PLASTIC SO
= 125 C,
S8 PACKAGE
TOP VIEW
JA
= 150 C/W
8
7
6
5
FB (SENSE)*
SHDN
I
GND
LIM
1.22
3.17
4.80
1.10
MIN
1.4
0.8
– 5
76
1
4
INFORMATION
U
0.002
1.24
5.05
0.04
1.17
0.01
TYP
S8 PART MARKING
120
500
1.5
0.2
3.3
– 2
1.5
27
10
35
80
7
6
5
6
1
LT1304CS8
LT1304CS8-3.3
LT1304CS8-5
ORDER PART
NUMBER
W
1304
13043
13045
MAX
1.65
1.26
3.43
5.25
0.15
1.25
200
0.4
0.1
0.4
1.2
15
50
25
20
65
88
8
1
8
2
8
UNITS
U
%/V
mV
mA
nA
nA
%
V
V
A
A
A
V
A
V
V
V
V
A
V
V
A
A
A
s
s