參數(shù)資料
型號: LTC3535EDD#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PDSO12
封裝: 3 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, DFN-12
文件頁數(shù): 9/16頁
文件大?。?/td> 249K
代理商: LTC3535EDD#PBF
LTC3535
2
3535f
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
VIN1,2 Voltage............................................... –0.3V to 6V
SW1,2 Voltage
DC............................................................ –0.3V to 6V
Pulsed <100ns......................................... –0.3V to 7V
SHDN1,2, FB1,2 Voltage .............................. –0.3V to 6V
VOUT1,2......................................................... –0.3V to 6V
Operating Temperature Range
(Notes 2, 5).............................................. –40°C to 85°C
Junction Temperature ........................................... 125°C
Storage Temperature Range................... –65°C to 150°C
(Note 1)
TOP VIEW
DD PACKAGE
12-LEAD (3mm
3mm) PLASTIC DFN
12
11
8
9
10
4
5
3
2
1
FB1
SHDN1
VIN1
FB2
SHDN2
VIN2
VOUT1
SW1
GND
VOUT2
SW2
GND
6
7
13
θJA = 45°C/W, θJC(PAD) = 10°C/W,
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3535EDD#PBF
LTC3535EDD#TRPBF
LDWV
12-Lead (3mm
× 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/
(For each channel) The
l 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. (Minimum Voltage is Load Dependent)
l
0.5
5
V
Output Voltage Adjust Range
l
1.5
5.25
V
Feedback Pin Voltage
l
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
μA
Quiescent Current—Active
Measured on VOUT, Non-Switching
250
500
μA
Quiescent Current—Burst
Measured on VOUT, FB > 1.230V
9
18
μA
N-Channel MOSFET Switch Leakage Current
VSW = 5V
0.1
5
μA
P-Channel MOSFET Switch Leakage Current
VSW = 5V, VOUT = 0V
0.1
10
μA
N-Channel MOSFET Switch On Resistance
VOUT = 3.3V
0.4
Ω
P-Channel MOSFET Switch On Resistance
VOUT = 3.3V
0.6
Ω
N-Channel MOSFET Current Limit
l
550
750
mA
Current Limit Delay to Output
(Note 3)
60
ns
Maximum Duty Cycle
VFB = 1.15V
l
87
90
%
ELECTRICAL CHARACTERISTICS
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