LTC1147-3.3
LTC1147-5/LTC1147L
ABSOLUTE
AXI U RATI GS
Operating Ambient Temperature Range
LTC1147C ............................................... 0°C to 70°C
LTC1147I ............................................. –40°C to 85°C
Extended Commercial
Temperature Range (Note 4) ................. – 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
Input Supply Voltage (Pin 1) .................... 16V to – 0.3V
Continuous Output Current (Pin 8) ...................... 50mA
Sense Voltages (Pins 4, 5)
V
IN
≥
12.7V ...........................................13V to – 0.3V
V
IN
< 12.7V ............................... (V
IN
+ 0.3V) to – 0.3V
PACKAGE/ORDER I FOR ATIO
TOP VIEW
V
IN
1
C
T
2
I
TH
3
SENSE
–
8
7
6
5
PDRIVE
GND
SHDN
(V
FB
*)
SENSE
+
4
N8 PACKAGE
S8 PACKAGE
8-LEAD PLASTIC DIP 8-LEAD PLASTIC SO
* ADJUSTABLE OUTPUT VERSION
LTC1147CN8-3.3
LTC1147CN8-5
LTC1147CS8-3.3
LTC1147CS8-5
LTC1147IS8-3.3
T
JMAX
= 125°C,
θ
JA
= 110°C/W (N)
T
JMAX
= 125°C,
θ
JA
= 150°C/W (S)
Consult factory for Military grade parts.
ELECTRICAL CHARACTERISTICS
SYMBOL
V
6
I
6
V
OUT
PARAMETER
Feedback Voltage (LTC1147L)
Feedback Current (LTC1147L)
Regulated Output Voltage
LTC1147-3.3, LTC1147L-3.3
LTC1147-5
Output Voltage Line Regulation
Output Voltage Load Regulation
LTC1147-3.3, LTC1147L-3.3
LTC1147-5
Burst Mode Output Ripple
I
Q
Input DC Supply Current (Note 2)
LTC1147 Series
Normal Mode
Sleep Mode
Sleep Mode (LTC1147-5)
Shutdown
LTC1147L Series
Normal Mode
Sleep Mode
Shutdown (LTC1147L-3.3)
T
A
= 25°C, V
IN
= 10V, V
SHDN
= 0V, unless otherwise noted.
MIN
q
q
CONDITIONS
V
IN
= 9V
V
IN
= 9V
I
LOAD
= 700mA
I
LOAD
= 700mA
V
IN
= 7V to 12V, I
LOAD
= 50mA
5mA < I
LOAD
< 2A
5mA < I
LOAD
< 2A
I
LOAD
= 0A
(Note 5)
4V < V
IN
< 12V
4V < V
IN
< 12V
5V < V
IN
< 12V
V
SHDN
= 2.1V, 4V < V
IN
< 12V
3.5V < V
IN
< 12V
3.5V < V
IN
< 12V
V
SHDN
= 2.1V, 3.5V < V
IN
< 12V
q
q
∆V
OUT
2
U
U
W
W W
U
W
ORDER PART NUMBER
LTC1147IS8-5
LTC1147LCS8
LTC1147LCS8-3.3
LTC1147LIS8
S8 PART MARKING
11473
11475
1147I3
1147I5
1147L
1147L3
1147LI
TYP
1.25
0.2
MAX
1.29
1
3.43
5.20
40
65
100
UNITS
V
µA
V
V
mV
mV
mV
mV
P-P
1.21
q
q
3.23
4.90
– 40
3.33
5.05
0
40
60
50
1.6
160
160
10
1.6
160
10
2.1
230
230
20
2.1
230
20
mA
µA
µA
µA
mA
µA
µA
sn1147 1147fds
LINEAR [ LINEAR INTEGRATED SYSTEMS ]
