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参数资料
| 型号： | LTC3568IDD#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 4 A SWITCHING REGULATOR, 4000 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | 3 X 3 MM, LEAD FREE, PLASTIC, MO-229WEED-2, DFN-10 |
| 文件页数： | 11/18页 |
| 文件大小： | 300K |
| 代理商： | LTC3568IDD#PBF |
LTC3568
3568fa
elecTrical characTerisTics
absoluTe MaxiMuM raTings
PVIN, SVIN Voltages .....................................–0.3V to 6V
VFB, ITH, SHDN/RT Voltages..........–0.3V to (VIN + 0.3V)
SYNC/MODE Voltage .................... –0.3V to (VIN + 0.3V)
SW Voltage ................................... –0.3V to (VIN + 0.3V)
PGOOD Voltage............................................–0.3V to 6V
Operating Junction Temperature Range
(Note 2) .............................................–40°C to 125°C
Junction Temperature (Notes 5, 8)........................ 125°C
Storage Temperature Range ..................–65°C to 125°C
(Note1)
Theldenotesthespecificationswhichapplyoverthefulloperating
temperaturerange,otherwisespecificationsareatTA=25°C.VIN=3.3V,RT=324kunlessotherwisespecified.(Note2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Operating Voltage Range
2.25
5.5
V
IFB
Feedback Pin Input Current
(Note 3)
±0.1
A
VFB
Feedback Voltage
LTC3568E (Note 3)
LTC3568I (Note 3)
l
0.784
0.780
0.8
0.816
V
ΔVLINEREG
Reference Voltage Line Regulation
VIN = 2.25V to 5V
0.04
0.2
%/V
ΔVLOADREG
Output Voltage Load Regulation
ITH = 0.36, (Note 3)
ITH = 0.84, (Note 3)
l
0.02
–0.02
0.2
–0.2
%
gm(EA)
Error Amplifier Transconductance
ITH Pin Load = ±5A (Note 3)
800
S
IS
Input DC Supply Current (Note 4)
Active Mode
Sleep Mode
Shutdown
VFB = 0.75V, SYNC/MODE = 3.3V
VSYNC/MODE = 3.3V, VFB = 1V
VSHDN/RT = 3.3V
240
62
0.1
350
100
1
A
VSHDN/RT
Shutdown Threshold High
Active Oscillator Resistor
VIN – 0.6
324k
VIN – 0.4
1M
V
Ω
pin conFiguraTion
TOP VIEW
DD PACKAGE
10-LEAD (3mm 3mm) PLASTIC DFN
10
11
9
6
7
8
4
5
3
2
1
ITH
VFB
PGOOD
SVIN
PVIN
SHDN/RT
SYNC/MODE
SGND
SW
PGND
TJMAX = 125°C, θJA = 43°C/W, θJC = 3°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEADFREEFINISH
TAPEANDREEL
PARTMARKING*
PACKAGEDESCRIPTION
TEMPERATURERANGE
LTC3568EDD#PBF
LTC3568EDD#TRPBF
LCSG
10-Lead (3mm
× 3mm) Plastic DFN
–40°C to 125°C
LTC3568IDD#PBF
LTC3568IDD#TRPBF
LCSG
10-Lead (3mm
× 3mm) Plastic DFN
–40°C to 125°C
LEADBASEDFINISH
TAPEANDREEL
PARTMARKING*
PACKAGEDESCRIPTION
TEMPERATURERANGE
LTC3568EDD
LTC3568EDD#TR
LCSG
10-Lead (3mm
× 3mm) Plastic DFN
–40°C to 125°C
LTC3568IDD
LTC3568IDD#TR
LCSG
10-Lead (3mm
× 3mm) Plastic DFN
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
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