LTC1174
LTC1174-3.3/LTC1174-5
ABSOLUTE
AXI U
RATI GS
(Voltage Referred to GND Pin)
Input Supply Voltage (Pin 6)
LTC1174 ........................................... – 0.3V to 13.5V
LTC1174HV ...................................... – 0.3V to 18.5V
Switch Current (Pin 5) .............................................. 1A
Switch Voltage (Pin 5)
LTC1174 ................................................. V
IN
– 13.5V
LTC1174HV ............................................ V
IN
– 18.5V
PACKAGE/ORDER I FOR ATIO
TOP VIEW
V
OUT
(V
FB
*) 1
LB
OUT
2
LB
IN
3
GND 4
N8 PACKAGE
8-LEAD PDIP
* ADJUSTABLE OUTPUT VERSION
T
JMAX
= 125°C,
θ
JA
= 110°C/W
8
7
6
5
SHUTDOWN
I
PGM
V
IN
SW
ORDER PART NUMBER
LTC1174CN8
LTC1174CN8-3.3
LTC1174CN8-5
LTC1174IN8
LTC1174HVCN8
LTC1174HVCN8-3.3
LTC1174HVCN8-5
Order Options
Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
SYMBOL
I
FB
V
FB
V
OUT
∆V
OUT
PARAMETER
Feedback Current
Feedback Voltage
Regulated Output Voltage
Output Voltage Line Regulation
The
●
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 9V, V
SHUTDOWN
= V
IN
, I
PGM
= 0V, unless otherwise noted.
CONDITIONS
LTC1174/LTC1174HV
LTC1174/LTC1174HV
LTC1174-3.3/LTC1174HV-3.3
LTC1174-5/LTC1174V-5
V
IN
= 6V to 12V, I
LOAD
= 100mA, I
PGM
= V
IN
(Note 3)
MIN
●
●
●
2
U
U
W
W W
U
W
(Note 1)
Operating Temperature Range
LTC1174CX ............................................ 0°C to 70°C
LTC1174IX ........................................ – 40°C to 85°C
Junction Temperature (Note 2) ............................ 125°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
TOP VIEW
V
OUT
(V
FB
*) 1
LB
OUT
2
LB
IN
3
GND 4
8
7
6
5
SHUTDOWN
I
PGM
V
IN
SW
S8 PACKAGE
8-LEAD PLASTIC SO
* ADJUSTABLE OUTPUT VERSION
T
JMAX
= 125°C,
θ
JA
= 150°C/W
ORDER PART NUMBER
LTC1174CS8
LTC1174CS8-3.3
LTC1174CS8-5
LTC1174IS8
LTC1174HVCS8
LTC1174HVCS8-3.3
LTC1174HVCS8-5
LTC1174HVIS8
S8 PART MARKING
1174
117433
117450
1174I
1174H
1174H3
1174H5
1174HI
TYP
1.25
3.30
5.00
10
1.20
3.14
4.75
MAX
1
1.30
3.46
5.25
70
UNITS
µA
V
V
V
mV
1174fe
LINEAR [ LINEAR INTEGRATED SYSTEMS ]
