參數(shù)資料
型號(hào)： LTC3526BEDC
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 0.5 A SWITCHING CONTROLLER, 1300 kHz SWITCHING FREQ-MAX, PDSO6
封裝： 2 X 2 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WCCD-2, DFN-6
文件頁數(shù)： 9/16頁
文件大小： 731K
代理商： LTC3526BEDC
LTC3526/LTC3526B
2
3526fa
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 (Note 2) ... –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
0.85
1
V
Output Voltage Adjust Range
0°C to 85°C
●
1.7
1.6
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, LTC3526 Only
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
●
500
700
mA
Current Limit Delay to Output
(Note 3)
60
ns
Maximum Duty Cycle
VFB = 1.15V
●
85
90
%
Minimum Duty Cycle
VFB = 1.3V
●
0
%
Switching Frequency
●
0.7
1
1.3
MHz
SHDN Pin Input High Voltage
0.9
V
SHDN Pin Input Low Voltage
0.3
V
SHDN Pin Input Current
VSHDN = 1.2V
VSHDN = 3.3V
0.3
1
2
A
ELECTRICAL CHARACTERISTICS
ABSOLUTE AXI U RATI GS
W
U
PACKAGE/ORDER I FOR ATIO
U
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
LTC3526EDC
LTC3526BEDC
LCHW
LCNN
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.
相關(guān)PDF資料
PDF描述
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