LT1317 LINER [Linear Technology], LT1317 Datasheet - Page 2

• Manufacturer Part Number: LT1317
• Description: Micropower, 600kHz PWM DC/DC Converters
• Manufacturer: LINER [Linear Technology]

A
V
SW Voltage ............................................... – 0.4V to 30V
FB Voltage .................................................... V
V
LBI Voltage ............................................ 0V V
SHDN Voltage ............................................................ 6V
LT1317/LT1317B
PACKAGE/ORDER I FOR ATIO
Commercial Grade
SYMBOL
I
V
I
g
A
f
Consult factory for Military grade parts.
ELECTRICAL C
2
Q
B
OSC
m
FB
V
IN
C
BSOLUTE
, LBO Voltage ..................................................... 12V
Voltage ................................................................ 2V
SHDN
GND
T
V
FB
JMAX
C
8-LEAD PLASTIC MSOP
PARAMETER
Quiescent Current
Feedback Voltage
FB Pin Bias Current (Note 2)
Input Voltage Range
Error Amp Transconductance
Error Amp Voltage Gain
Maximum Duty Cycle
Switch Current Limit (Note 3)
Burst Mode Operation Switch Current Limit
Switching Frequency
1
2
3
4
= 125 C,
MS8 PACKAGE
TOP VIEW
JA
W
= 160 C/W
V
IN
A
8
7
6
5
HARA TERISTICS
= 2V, V
XI
LBO
LBI
V
SW
IN
W
SHDN
U
U
C
W
= 2V, T
MS8 PART MARKING
R
LT1317CMS8
LT1317BCMS8
ORDER PART
A
A
W
NUMBER
= 25 C, unless otherwise noted.
TI
LTHA
LTHB
U
G
IN
LBI
+ 0.3V
S
CONDITIONS
Not Switching, V
V
V
V
V
V
Duty Cycle = 30% (LT1317)
SHDN
SHDN
SHDN
IN
IN
I = 5 A
U
= 2.5V, Duty Cycle = 30%
= 2.5V, Duty Cycle = 30%
1V
(Note 1)
= 0V (LT1317/LT1317B)
= 2V, Switching (LT1317B)
= 2V, Switching (LT1317B)
Junction Temperature .......................................... 125 C
Operating Temperature Range
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................ 300 C
SHDN
SHDN
Commercial ........................................... 0 C to 70 C
Industrial ............................................ – 40 C to 85 C
GND
V
FB
C
T
JMAX
= 2V (LT1317)
1
2
3
4
8-LEAD PLASTIC SO
= 125 C,
S8 PACKAGE
TOP VIEW
JA
= 120 C/W
8
7
6
5
LBO
LBI
V
SW
IN
1.22
1.20
MIN
710
660
520
1.5
70
80
S8 PART MARKING
1.24
1.24
TYP
100
140
800
275
620
700
4.8
25
12
85
ORDER PART
LT1317CS8
LT1317BCS8
LT1317IS8
LT1317BIS8
NUMBER
1317
1317B
1317I
1317BI
1300
1350
MAX
1.26
1.26
160
240
720
6.5
7.5
40
60
12
UNITS
mhos
kHz
V/V
mA
mA
mA
mA
mA
nA
%
A
A
V
V
V