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LTC3246 데이터시트(HTML) 2 Page - Analog Devices

부품명 LTC3246
상세내용  Wide VIN Range Buck-Boost Charge Pump with Watchdog Timer
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LTC3246 데이터시트(HTML) 2 Page - Analog Devices

 
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LTC3246
2
3246fa
For more information www.linear.com/LTC3246
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
VIN, SEL1, SEL2, WDI................................. –0.3V to 42V
VOUT, OUTS/ADJ, RSTI, WT, RT, BIAS, RST. –0.3V to 6V
IRST ........................................................................10mA
VOUT Short Circuit Duration ............................. Indefinite
Lead Temperature (Soldering, 10 sec)...................300°C
Operating Junction Temperature Range (Notes 3, 4)
(E-Grade/I-Grade) .................................. –40 to 125°C
(H-Grade)...............................................–40 to 150°C
(MP-Grade)............................................–55 to 150°C
Storage Temperature Range ......................–65 to 150°C
(Notes 1, 2)
1
2
3
4
5
6
7
8
WT
RT
RSTI
BIAS
SEL2
VIN
SEL1
BIAS
16
15
14
13
12
11
10
9
OUTS/ADJ
GND
RST
C
VOUT
C+
WDI
VIN
TOP VIEW
MSE PACKAGE
16-LEAD PLASTIC MSOP
17
TJMAX = 150°C, JA = 40°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Operating Input Voltage Range
(Note 5)
l
2.7
38
V
VUVLO
VIN Undervoltage Lockout Threshold
l
2.35
2.7
V
IVIN
VIN Quiescent Current
Shutdown
CP Enabled, Output in Regulation
SEL1 = SEL2 = 0V
SEL1 = VIN and/or SEL2 = VIN, RSTI = 5V
1.5
20
3
30
µA
µA
VHIGH
SEL1, SEL2 Input Voltage
l
1.1
1.6
V
VLOW
SEL1, SEL2 Input Voltage
l
0.4
0.8
V
ILOW
SEL1, SEL2 Input Current
VPIN = 0V
l
–1
0
1
µA
IHIGH
SEL1, SEL2 Input Current
VPIN = 38V
l
0.5
1
2
µA
Charge Pump Operation
VOUTS_5
VOUTS/ADJ Regulation Voltage
SEL1 = 0V, SEL2 = VIN
2.7V < VIN < 38V (Notes 5, 6)
l
4.8
5.2
V
VOUTS_3
VOUTS/ADJ Regulation Voltage
SEL1 = VIN, SEL2 = VIN
2.7V < VIN < 38V (Notes 5, 6)
l
3.17
3.43
V
VADJ
VOUTS/ADJ Regulation Voltage
SEL1 = VIN, SEL2 = 0V
2.7V < VIN < 38V (Notes 5, 6)
l
1.08
1.11
1.14
V
The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, CFLY = 2.2µF, COUT = 10µF, unless otherwise noted.
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3246EMSE#PBF
LTC3246EMSE#TRPBF
3246
16-Lead Plastic MSOP
–40°C to 125°C
LTC3246IMSE#PBF
LTC3246IMSE#TRPBF
3246
16-Lead Plastic MSOP
–40°C to 125°C
LTC3246HMSE#PBF
LTC3246HMSE#TRPBF
3246
16-Lead Plastic MSOP
–40°C to 150°C
LTC3246MPMSE#PBF
LTC3246MPMSE#TRPBF 3246
16-Lead Plastic MSOP
–55°C to 150°C
Consult ADI Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult ADI Marketing for information on nonstandard 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/
http://www.linear.com/product/LTC3246#orderinfo


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