參數(shù)資料
型號(hào)： LTC3538EDCB#TRM
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 0.8 A SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, PDSO8
封裝： 2 X 3 MM, PLASTIC, DFN-8
文件頁(yè)數(shù)： 9/16頁(yè)
文件大小： 197K
代理商： LTC3538EDCB#TRM
LTC3538
2
3538f
PACKAGE/ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS
VIN,VOUT Voltage .......................................... –0.3V to 6V
SW1,SW2 Voltage
DC............................................................ –0.3V to 6V
Pulsed < 100ns........................................... –1V to 7V
BURST, FB Voltage....................................... –0.3V to 6V
Operating Temperature (Note 2)............... –40°C to 85°C
Maximum Junction Temperature (Note 4)............. 125°C
Storage Temperature Range................... –65°C to 125°C
(Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage
●
2.4
5.5
V
Feedback Voltage
(Note 5)
●
0.980
1.00
1.020
V
Feedback Input Current
(Note 5)
1
50
nA
VIN Quiescent Current – Shutdown
VC = 0V, Not Including Switch Leakage
1.5
5
μA
VIN Quiescent Current – Active
FB = 0.8V
1
1.8
mA
VIN Quiescent Current – Sleep
FB = 1.2V, BURST = VIN
35
60
μA
NMOS Switch Leakage
Switches B and C
0.1
7
μA
PMOS Switch Leakage
Switches A and D
0.1
10
μA
NMOS Switch On-Resistance
Switches B and C
0.17
Ω
PMOS Switch On-Resistance
Switches A and D
0.2
Ω
Input Current Limit
●
1.4
2
A
Reverse Current Limit
0.5
A
Burst Mode Operational Peak Current
0.9
A
Maximum Duty Cycle
Boost (%Switch C On)
Buck (% Switch A On)
Buck (% Switch D On)
●
70
100
88
%
TOP VIEW
VIN
SW1
SW2
VOUT
FB
VC
GND
BURST
DCB PACKAGE
8-LEAD (2mm
× 3mm) PLASTIC DFN
9
3
4
2
1
6
5
7
8
TJMAX = 125°C
θJA = 75°C/W 4-LAYER BOARD, θJC = 13.5°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
The ● denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VIN = VOUT = 3.6V, BURST = 0V, unless otherwise noted.
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3538EDCB#PBF
LTC3538EDCB#TRPBF
LCRB
8-Lead (2mm
× 3mm) Plastic DFN
–40°C to 85°C
LEAD BASED FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3538EDCB
LTC3538EDCB#TR
LCRB
8-Lead (2mm
× 3mm) Plastic DFN
–40°C to 85°C
Consult LTC Marketing for parts specied with wider operating temperature ranges.
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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