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2
LT1500/LT1501
ABSOLUTE
AXI
U
RATU
W
W
W
Supply Voltage ........................................................ 20V
Switch Voltage (SW)................................................ 30V
Shutdown Voltage (SHDN) ...................................... 20V
I
SENSE
Voltage.......................................................... 20V
FB Voltage................................................................. 5V
LBI Voltage................................................................ 5V
LBO Voltage............................................................. 15V
Operating Ambient Temperature Range
Commercial.............................................0
°
C to 70
°
C
Industrial............................................ –40
°
C to 85
°
C
Operating Junction Temperature Range
Commercial...........................................0
°
C to 100
°
C
Industrial.......................................... –40
°
C to 100
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
PACKAGE/ORDER I
FOR
ATIO
W
U
U
T
JMAX
= 100
°
C,
θ
JA
= 100
°
C/W
ORDER PART NUMBER
LT1500CS
LT1500IS
ORDER PART NUMBER
LT1500CS-3/5
LT1500IS-3/5
ORDER PART NUMBER
LT1501CS8
LT1501CS8-3.3
LT1501CS8-5
LT1501IS8
LT1501IS8-3.3
LT1501IS8-5
Consult factory for Military grade parts.
ELECTRICAL CHARACTERISTICS
T
J
= 25
°
C, V
IN
= 2.3V unless otherwise noted.
PARAMETER
CONDITIONS
LT1500/LT1501, T
J
= 25
°
C
All Conditions (Note 6)
MIN
TYP
MAX
UNITS
Feedback/Output Pin Reference Voltage
1.240
1.235
1.265
1.290
1.295
V
V
G
LT1500-3/5, Select Pin Open
All Conditions (Note 6)
3.230
3.200
3.300
3.370
3.400
V
V
G
LT1500-3/5, Select Pin Grounded
All Conditions (Note 6)
4.900
4.85
5.000
5.100
5.15
V
V
G
Reference Voltage Line Regulation
V
IN
= 2.3V to 15V
G
0.02
0.06
%/V
Feedback Pin Bias Current
G
30
100
nA
T
JMAX
= 100
°
C,
θ
JA
= 100
°
C/W
T
JMAX
= 100
°
C,
θ
JA
= 120
°
C/W
1
2
3
4
8
7
6
5
TOP VIEW
FB/OUT
LBI
LBO
SW
SHDN
V
IN
I
SENSE
GND
S8 PACKAGE
8-LEAD PLASTIC SO
TOP VIEW
S PACKAGE
14-LEAD PLASTIC SO
1
2
3
4
5
6
7
14
13
12
11
10
9
8
SHDN
V
C
V
IN
I
SENSE
NC
GND
PGND
FB
NFB
SS
LBI
LBO
SYNC
SW
TOP VIEW
S PACKAGE
14-LEAD PLASTIC SO
1
2
3
4
5
6
7
14
13
12
11
10
9
8
SHDN
V
C
V
IN
I
SENSE
NC
GND
PGND
V
OUT
(3.3V/5V)
SELECT
SS
LBI
LBO
SYNC
SW