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参数资料
| 型号： | LTC3528EDDB#TRM |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 1300 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | 3 X 2 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WECD-1, DFN-8 |
| 文件页数： | 9/16页 |
| 文件大小： | 316K |
| 代理商： | LTC3528EDDB#TRM |
LTC3528/LTC3528B
2
3528f
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS
VIN Voltage................................................... –0.3V to 6V
SW Voltage
DC............................................................ –0.3V to 6V
Pulsed < 100ns........................................ –0.3V to 7V
SHDN, FB Voltage ........................................ –0.3V to 6V
VOUT............................................................. –0.3V to 6V
PGOOD......................................................... –0.3V to 6V
Operating Temperature Range
(Notes 2, 5).............................................. –40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
(Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Minimum Start-Up Voltage
ILOAD = 1mA
●
0.70
0.88
V
Output Voltage Adjust Range
TA = 0°C to 85°C
●
1.7
1.6
5.25
V
Feedback Voltage
(Note 7)
●
1.170
1.200
1.230
V
Feedback Input Current
VFB = 1.3V
1
50
nA
Quiescent Current—Shutdown
VSHDN = 0V, Not Including Switch Leakage, VOUT = 0V
0.01
1
μA
Quiescent Current—Active
Measured on VOUT, Nonswitching (Note 4)
300
500
μA
Quiescent Current—Burst
Measured on VOUT, FB > 1.230V
12
20
μA
N-Channel MOSFET Switch Leakage Current
VSW = 5V
0.1
10
μA
P-Channel MOSFET Switch Leakage Current
VSW = 5V, VOUT = 0V
0.1
10
μA
N-Channel MOSFET Switch On Resistance
VOUT = 3.3V
0.175
Ω
P-Channel MOSFET Switch On Resistance
VOUT = 3.3V
0.250
Ω
N-Channel MOSFET Current Limit
●
1.0
1.5
A
Current Limit Delay Time to Output
(Note 3)
60
ns
Maximum Duty Cycle
VFB = 1.15V
●
88
93
%
Minimum Duty Cycle
VFB = 1.3V
●
0%
Frequency
●
0.7
1.0
1.3
MHz
The
● denotes the specications which apply over the specied operating
temperature range of –40°C to 85°C, otherwise specications are at TA = 25°C. VIN = 1.2V, VOUT = 3.3V, unless otherwise noted.
TOP VIEW
9
DDB PACKAGE
8-LEAD (3mm
× 2mm) PLASTIC DFN
5
6
7
8
4
3
2
1
SHDN
FB
PGOOD
VOUT
VIN
SGND
PGND
SW
TJMAX = 125°C, θJA = 76°C/W (NOTE 6)
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3528EDDB#PBF
LTC3528BEDDB#PBF
LTC3528EDDB#TRPBF
LTC3528BEDDB#TRPBF
LCYD
LDDG
8-Lead (3mm
× 2mm) Plastic DFN
8-Lead (3mm
× 2mm) 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/
PIN CONFIGURATION
ORDER INFORMATION
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