参数资料
型号: LTC3543EDCB#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 1.3 A SWITCHING REGULATOR, 2250 kHz SWITCHING FREQ-MAX, PDSO6
封装: 2 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-229, DFN-6
文件页数: 16/20页
文件大小: 329K
代理商: LTC3543EDCB#PBF
LTC3543
5
3543fa
TEMPERATURE (°C)
–40
LEAKAGE
CURRENT
(pA)
500
600
700
125
3543 G15
300
0
–10 5
–25
20
50
35
80
65
110
95
800
400
200
100
VIN = 5.5V
RUN = 0V
SYNCHRONOUS SWITCH
MAIN SWITCH
INPUT VOLTAGE (V)
SUPPL
Y
CURRENT
(μA)
3543 G16
ILOAD = 0A
VOUT = 1.5V
PULSE SKIP MODE
Burst Mode OPERATION
2.5
0
100
200
300
400
3.0
3.5
4.0
4.5
5.0
5.5
TEMPERATURE (°C)
–40
SUPPL
Y
CURRENT
(μA)
250
300
350
125
3543 G17
150
0
–10 5
–25
20
50
35
80
65
110
95
400
200
100
50
INPUT VOLTAGE (V)
2.5
0
LEAKAGE
CURRENT
(pA)
200
400
600
3.0
3.5
4.0
4.5
3543 G18
5.0
800
1000
100
300
500
700
900
5.5
RUN = 0V
SYNCHRONOUS SWITCH
MAIN SWITCH
Switch Leakage (ISW)
vs Temperature
Dynamic Supply Current
vs Input Voltage (VIN)
Dynamic Supply Current
vs Temperature
Switch Leakage (ISW)
vs Input Voltage (VIN)
TA = 25°C, unless otherwise noted.
TYPICAL PERFORMANCE CHARACTERISTICS
Start-Up from Shutdown
Pulse Skip Operation
Burst Mode Operation
200μs/DIV
INDUCTOR
CURRENT
200mA/DIV
VOUT
1V/DIV
RUN
5V/DIV
3543 G19
VIN = 3.6V
VOUT = 1.5V
ILOAD = 300mA
10μs/DIV
IL
100mA/DIV
SW
5V/DIV
VOUT
AC COUPLED
50mV/DIV
3543 G20
VIN = 3.6V
VOUT = 1.5V
ILOAD = 3mA
VMODE = 3.6V
10μs/DIV
IL
100mA/DIV
SW
5V/DIV
VOUT
AC COUPLED
50mV/DIV
3543 G21
VIN = 3.6V
VOUT = 1.5V
ILOAD = 3mA
VMODE = 0V
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