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参数资料
| 型号： | LTC4012IUF-2#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 633 kHz SWITCHING FREQ-MAX, PQCC20 |
| 封装： | 4 X 4 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-220WGGD-1, QFN-20 |
| 文件页数： | 12/28页 |
| 文件大小： | 381K |
| 代理商： | LTC4012IUF-2#PBF |
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LTC4012/
LTC4012-1/LTC4012-2
4012fa
absolute MaxiMuM ratings
DCIN ............................................................–14V to 30V
DCIN to CLP................................................ –32V to 20V
CLP, CLN or SW to GND............................. –0.3V to 30V
CLP to CLN ............................................................±0.3V
CSP, CSN or BAT to GND ........................... –0.3V to 28V
CSP to CSN............................................................±0.3V
BOOST to GND........................................... –0.3V to 36V
BOOST to SW...............................................–0.3V to 7V
(Note 1)
orDer inForMation
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC4012CUF#PBF
LTC4012CUF#TRPBF
4012
20-Lead (4mm
× 4mm) Plastic QFN
0°C to 85°C
LTC4012CUF-1#PBF
LTC4012CUF-1#TRPBF
40121
20-Lead (4mm
× 4mm) Plastic QFN
0°C to 85°C
LTC4012CUF-2#PBF
LTC4012CUF-2#TRPBF
40122
20-Lead (4mm
× 4mm) Plastic QFN
0°C to 85°C
LTC4012IUF#PBF
LTC4012IUF#TRPBF
4012
20-Lead (4mm
× 4mm) Plastic QFN
–40°C to 125°C
LTC4012IUF-1#PBF
LTC4012IUF-1#TRPBF
40121
20-Lead (4mm
× 4mm) Plastic QFN
–40°C to 125°C
LTC4012IUF-2#PBF
LTC4012IUF-2#TRPBF
40122
20-Lead (4mm
× 4mm) Plastic QFN
–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.
Consult LTC Marketing for information on non-standard lead based finish parts.
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/
SHDN, FVS0, FVS1 or VFB to GND...............–0.3V to 7V
ACP, CHRG or ICL to GND.......................... –0.3V to 30V
Operating Temperature Range
(Note 2) ............................................. –40°C to 125°C
Junction Temperature (Note 3) ............................. 125°C
Storage Temperature Range ..................–65°C to 150°C
pin conFiguration
LTC4012
LTC4012-1
LTC4012-2
20 19 18 17 16
6
7
8
TOP VIEW
21
GND
UF PACKAGE
20-LEAD (4mm 4mm) PLASTIC QFN
9 10
5
4
3
2
1
11
12
13
14
15
CLN
CLP
INFET
DCIN
ACP
CSP
CSN
PROG
ITH
BAT
BOOST
TGA
TE
SW
INT
V DD
BGA
TE
SHDN
CHRG
ICL
V FB
FBDIV
TJMAX = 125°C, JA = 37°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
20 19 18 17 16
6
7
8
TOP VIEW
21
GND
UF PACKAGE
20-LEAD (4mm 4mm) PLASTIC QFN
9 10
5
4
3
2
1
11
12
13
14
15
CLN
CLP
INFET
DCIN
ACP
CSP
CSN
PROG
ITH
BAT
BOOST
TGA
TE
SW
INT
V DD
BGA
TE
SHDN
CHRG
ICL
FVS0
FVS1
TJMAX = 125°C, JA = 37°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
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