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參數(shù)資料
| 型號： | LTC3529EDCB#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, PDSO8 |
| 封裝： | 2 X 3 MM, 0.75 MM PITCH, LEAD FREE, PLASTIC, DFN-8 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 206K |
| 代理商： | LTC3529EDCB#PBF |
LTC3529
2
3529fb
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
VIN, VOUT Voltage........................................... –0.3 to 6V
SHDN, RST, FAULT Voltage ............................ –0.3 to 6V
SW Voltage
DC.............................................................. –0.3 to 6V
Pulsed <100ns .............................................–1V to 7V
Operating Temperature Range (Note 2) ...–40°C to 85°C
Maximum Junction Temperature (Note 3) ............ 125°C
Storage Temperature Range .................. –65°C to 125°C
(Note 1)
TOP VIEW
VIN
RST
SNSGND
FAULT
VOUT
SW
SHDN
PGND
DCB PACKAGE
8-LEAD (2mm
3mm) PLASTIC DFN
9
3
4
2
1
6
5
7
8
TJMAX = 125°C, θJA = 64°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VIN = 3.6V, VOUT = 5V unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Range
1.8
5.25
V
Output Voltage
l
4.85
5
5.15
V
Quiescent Current - Shutdown
VSHDN = 0V, VOUT = 0V
0.01
1
μA
NMOS Switch Leakage Current
VIN = VSW = 5V
l
0.3
15
μA
PMOS Switch Leakage Current
VSW = 0V, VOUT = 5V
l
0.3
15
μA
NMOS Switch On Resistance
0.09
Ω
PMOS Switch On Resistance
0.12
Ω
NMOS Current Limit
VOUT = 4.5V (Note 4)
l
1.5
A
Current Limit Delay Time to Output
(Note 5)
40
ns
Maximum Duty Cycle
VOUT = 4.5V
l
80
87
%
Minimum Duty Cycle
VOUT = 5.5V
l
0%
Switching Frequency
VOUT = 4.5V
l
1.2
1.5
1.8
MHz
SHDN, RST Input High Voltage
l
1V
SHDN, RST Input Low Voltage
l
0.35
V
SHDN, RST Input Current
VSHDN, VOUT, VRST = 5.5V
l
0.01
1
μA
Soft-Start Time
2ms
Line Regulation
VIN = 1.8V to 5.25V
0.03
%/V
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3529EDCB#PBF
LTC3529EDCB#TRPBF
LCTZ
8-Lead (2mm
× 3mm) Plastic DFN
–40°C to 85°C
Consult LTC Marketing for parts specied with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based nish parts.
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/
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