LTC1174-3.3 Linear Technology, LTC1174-3.3 Datasheet - Page 2

• Manufacturer Part Number: LTC1174-3.3
• Description: High Efficiency Step-Down and Inverting DC/DC Converter
• Manufacturer: Linear Technology

LTC1174
LTC1174-3.3/LTC1174-5
A
(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
LTC1174HV ................................................ V
PACKAGE/ORDER I FOR ATIO
Consult factory for Military grade parts.
SYMBOL PARAMETER
I
V
V
2
ELECTRICAL C
FB
FB
OUT
V
V
BSOLUTE
OUT
OUT
(V
LB
GND
LB
FB
* ADJUSTABLE OUTPUT VERSION
OUT
*)
Feedback Current
Feedback Voltage
Regulated Output Voltage
Output Voltage Line Regulation
Output Voltage Load Regulation
IN
T
JMAX
1
2
3
4
8-LEAD PLASTIC DIP
= 125 C,
N8 PACKAGE
TOP VIEW
W
JA
= 110 C/W
A
HARA TERISTICS
XI
8
7
6
5
SHUTDOWN
I
V
SW
PGM
W
IN
U
C
U
W
LTC1174CN8
LTC1174CN8-3.3
LTC1174CN8-5
LTC1174HVCN8
LTC1174HVCN8-3.3
LTC1174HVCN8-5
LTC1174IN8
R
CONDITIONS
LTC1174/LTC1174HV
LTC1174/LTC1174HV
LTC1174-3.3/LTC1174HV-3.3
LTC1174-5/LTC1174HV-5
V
LTC1174-3.3 (Note 2)
LTC1174-5 (Note 2)
IN
A
ORDER PART
= 6V to 12V, I
20mA < I
20mA < I
20mA < I
20mA < I
W
TI
NUMBER
U
IN
IN
G
LOAD
LOAD
LOAD
LOAD
– 13.5V
– 18.5V
S
T
LOAD
< 175mA, I
< 400mA, I
< 175mA, I
< 400mA, I
A
U
= 25 C, V
= 100mA, I
PGM
PGM
PGM
PGM
V
Operating Temperature Range .................... 0 C to 70 C
Extended Commercial
Temperature Range ................................ – 40 C to 85 C
Junction Temperature (Note 1) ............................ 125 C
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
OUT
IN
= 9V, V
PGM
= 0V
= V
= 0V
= V
(V
LB
LB
GND
FB
* ADJUSTABLE OUTPUT VERSION
OUT
IN
IN
*)
IN
= V
T
JMAX
8-LEAD PLASTIC SOIC
1
2
3
4
IN
SHUTDOWN
(Note 2)
= 125 C,
S8 PACKAGE
TOP VIEW
JA
= V
= 150 C/W
IN
8
7
6
5
, I
SHUTDOWN
I
V
SW
PGM
PGM
IN
= 0V, unless otherwise noted.
MIN
1.20
3.14
4.75
LTC1174CS8
LTC1174CS8-3.3
LTC1174CS8-5
LTC1174IS8
LTC1174HVCS8
LTC1174HVCS8-3.3
LTC1174HVCS8-5
S8 PART MARKING
1174
117433
117450
1174I
1.25
3.30
5.00
TYP
– 45
– 50
10
– 5
– 5
ORDER PART
NUMBER
MAX
1.30
3.46
5.25
– 70
– 70
– 70
– 70
70
1
1174HV
1174H3
1174H5
UNITS
mV
mV
mV
mV
mV
A
V
V
V