LTC1147L 查看數據表（PDF） - Linear Technology
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LTC1147L Datasheet PDF : 16 Pages
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LTC1147-3.3
LTC1147-5/LTC1147L
ABSOLUTE AXI U RATI GS
Input Supply Voltage (Pin 1) .................... 16V to – 0.3V
Continuous Output Current (Pin 8) ...................... 50mA
Sense Voltages (Pins 4, 5)
VIN ≥ 12.7V ...........................................13V to – 0.3V
VIN < 12.7V ............................... (VIN + 0.3V) to – 0.3V
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
UW U
PACKAGE/ORDER I FOR ATIO
VIN 1
CT 2
ITH 3
SENSE– 4
TOP VIEW
8 PDRIVE
7 GND
SHDN
6 (VFB*)
5 SENSE+
N8 PACKAGE
S8 PACKAGE
8-LEAD PLASTIC DIP 8-LEAD PLASTIC SO
* ADJUSTABLE OUTPUT VERSION
TJMAX = 125°C, θJA = 110°C/W (N)
TJMAX = 125°C, θJA = 150°C/W (S)
Consult factory for Military grade parts.
ORDER PART NUMBER
LTC1147CN8-3.3
LTC1147CN8-5
LTC1147CS8-3.3
LTC1147CS8-5
LTC1147IS8-3.3
LTC1147IS8-5
LTC1147LCS8
LTC1147LCS8-3.3
LTC1147LIS8
S8 PART MARKING
11473
11475
1147I3
1147I5
1147L
1147L3
1147LI
ELECTRICAL CHARACTERISTICS TA = 25°C, VIN = 10V, VSHDN = 0V, unless otherwise noted.
SYMBOL
V6
I6
VOUT
∆VOUT
IQ
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
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)
CONDITIONS
VIN = 9V
VIN = 9V
ILOAD = 700mA
ILOAD = 700mA
VIN = 7V to 12V, ILOAD = 50mA
5mA < ILOAD < 2A
5mA < ILOAD < 2A
ILOAD = 0A
(Note 5)
4V < VIN < 12V
4V < VIN < 12V
5V < VIN < 12V
VSHDN = 2.1V, 4V < VIN < 12V
3.5V < VIN < 12V
3.5V < VIN < 12V
VSHDN = 2.1V, 3.5V < VIN < 12V
MIN TYP MAX UNITS
q 1.21 1.25 1.29
V
q
0.2
1
µA
q 3.23 3.33 3.43
V
q 4.90 5.05 5.20
V
– 40
0
40
mV
q
40
65
mV
q
60
100
mV
50
mVP-P
1.6
2.1
mA
160
230
µA
160
230
µA
10
20
µA
1.6
2.1
mA
160
230
µA
10
20
µA
sn1147 1147fds
2
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