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参数资料
| 型号： | LTC3526LEDC#TRM |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 1250 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | 2 X 2 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WCCD-2, DFN-6 |
| 文件页数： | 9/16页 |
| 文件大小： | 342K |
| 代理商： | LTC3526LEDC#TRM |
LTC3526L
2
3526lf
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
Operating Temperature Range
(Notes 2, 5).............................................. –40°C to 85°C
Storage Temperature Range................... –65°C to 150°C
(Note 1)
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.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Minimum Start-Up Input Voltage
ILOAD = 1mA
0.68
0.8
V
Input Voltage Range
After Start-Up. (Minimm Voltage is Load Dependent)
●
0.5
5
V
Output Voltage Adjust Range
●
1.5
5.25
V
Feedback Pin Voltage
●
1.165
1.195
1.225
V
Feedback Pin Input Current
VFB = 1.30V
1
50
nA
Quiescent Current—Shutdown
VSHDN = 0V, Not Including Switch Leakage, VOUT = 0V
0.01
1
A
Quiescent Current—Active
Measured on VOUT, Nonswitching
250
500
A
Quiescent Current—Burst
Measured on VOUT, FB > 1.230V
9
18
A
N-Channel MOSFET Switch Leakage Current
VSW = 5V
0.1
5
A
P-Channel MOSFET Switch Leakage Current
VSW = 5V, VOUT = 0V
0.1
10
A
N-Channel MOSFET Switch On Resistance
VOUT = 3.3V
0.4
Ω
P-Channel MOSFET Switch On Resistance
VOUT = 3.3V
0.6
Ω
N-Channel MOSFET Current Limit
●
550
750
mA
Current Limit Delay to Output
(Note 3)
60
ns
Maximum Duty Cycle
VFB = 1.15V
●
87
90
%
Minimum Duty Cycle
VFB = 1.3V
●
0%
Switching Frequency
●
0.75
1
1.25
MHz
SHDN Pin Input High Voltage
0.8
V
SHDN Pin Input Low Voltage
0.3
V
ELECTRICAL CHARACTERISTICS
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
TOP VIEW
VOUT
FB
SHDN
SW
GND
VIN
DC PACKAGE
6-LEAD (2mm
× 2mm) PLASTIC DFN
7
1
2
3
6
5
4
TJMAX = 125°C, θJA = 60°C/W (NOTE 6)
EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PC BOARD
ORDER PART NUMBER
DC PART MARKING
LTC3526LEDC
LCSS
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specied with wider operating temperature ranges.
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