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參數(shù)資料
| 型號： | LT4180MPGN#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | POWER SUPPLY SUPPORT CKT, PDSO24 |
| 封裝： | 0.150 INCH, LEAD FREE, PLASTIC, SSOP-24 |
| 文件頁數(shù)： | 11/18頁 |
| 文件大?。?/td> | 278K |
| 代理商： | LT4180MPGN#TRPBF |
LT4180
2
4180fa
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
VIN ............................................................. –0.3V to 52V
SENSE.......................................................VIN – 0.3V to VIN
INTVCC, RUN, FB, OV, ROSC, OSC,
DIV0, DIV1, DIV2, SPREAD, CHOLD1,
CHOLD2, CHOLD3, CHOLD4, DRAIN, COMP,
GUARD2, GUARD3, GUARD4, VPP............ –0.3V to 5.5V
VIN Pin Current.......................................................10mA
INTVCC Pin Current .............................................–10mA
COSC Pin Current..................................................3.3mA
Maximum Junction Temperature .......................... 125°C
Operating Junction Temperature Range (Note 2)
E-, I-Grades ....................................... –40°C to 125°C
MP-Grade .......................................... –55°C to 125°C
Storage Temperature Range .................. –65°C to 125°C
(Note 1)
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
GN PACKAGE
24-LEAD NARROW PLASTIC SSOP
24
23
22
21
20
19
18
17
16
15
14
13
INTVCC
DRAIN
COMP
CHOLD1
GUARD2
CHOLD2
GUARD3
CHOLD3
GUARD4
CHOLD4
FB
GND
VIN
VPP
SENSE
RUN
OV
SPREAD
DIV0
DIV1
DIV2
OSC
ROSC
COSC
TJMAX = 150°C, θJA = 85°C/W
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT4180EGN#PBF
LT4180EGN#TRPBF
LT4180GN
24-Lead Narrow Plastic SSOP
–40°C to 125°C
LT4180IGN#PBF
LT4180IGN#TRPBF
LT4180GN
24-Lead Narrow Plastic SSOP
–40°C to 125°C
LT4180MPGN#PBF
LT4180MPGN#TRPBF
LT4180GN
24-Lead Narrow Plastic SSOP
–55°C to 125°C
Consult LTC Marketing for parts specied with wider operating temperature ranges. *The temperature grade is identied 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 specications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Operating Supply Voltage
l
3.10
50
V
IVIN
Input Quiescent Current
ROSC Open, COSC Open, SENSE = VIN
l
12
mA
VREF
Reference Voltage
VCHOLD2 = VCHOLD3 = 1.2V, Measured at CHOLD4
During Track ΔVOUT Clock Phase
l
1.209
1.197
1.221
1.233
1.245
V
ILIM
Open-Drain Current Limit
With FB = VREF + 200mV, OSC Stopped with Voltage
Feedback Loop Closed
512
17
mA
VOL
DRAIN Low Voltage
VIN = 3V
0.3
V
VINTVCC
LDO Regulator Output Voltage
VIN = 5V
3.15
V
The
l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C, VIN = SENSE = 5V, unless otherwise noted.
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