参数资料
型号: LTC3105EDD#TRPBF
厂商: Linear Technology
文件页数: 5/18页
文件大小: 0K
描述: IC CONV DC/DC 400MA HIEFF 10-DFN
标准包装: 2,500
应用: 转换器,能量收集
输入电压: 0.23 V ~ 5 V
输出数: 1
输出电压: 1.5 V ~ 5.25 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘
供应商设备封装: 10-DFN(3x3)
包装: 带卷 (TR)
LTC3105
TYPICAL PERFORMANCE CHARACTERISTICS
V IN = 0.6V, unless otherwise noted.
T A = 25°C, V AUX = V OUT = 3.3V, V LDO = 2.2V,
V IN VOLTAGE
ExitingMPPCControlon
Input Voltage Step
V MPPC = 400mV
200mV/DIV
INDUCTOR
CURRENT
100mA/DIV
MPPC VOLTAGE
200mV/DIV
1.0
0.5
0
–0.5
–1.0
–1.5
I PEAK and I VALLEY Current Limit
Change vs Temperature
I PEAK
I VALLEY
100
90
80
70
60
Efficiency vs V IN
V OUT = 3V
I LOAD = 10mA
LDO = 2.2V
–2.0
50
15μs/DIV
3105 G10
–2.5
–45 –30 –15
0 15 30 45
TEMPERATURE (°C)
60
75 90
3105 G11
40
0.25
1.25
2.25 3.25 4.25
INPUT VOLTAGE (V)
5.25
3105 G12
V IN = 0.6V
V IN = 0.8V
OUTPUT
VOLTAGE
50mV/DIV
SW CURRENT
200mA/DIV
Input and Output Burst Ripple
V IN = 0.6V V OUT = 3.3V
C IN = 470μF I OUT = 15mA
C OUT = 10μF
90
80
70
60
50
40
30
Efficiency vs Output Current and
Power Loss, V OUT = 3.3V
EFFICIENCY
V IN = 1V
POWER LOSS
1000
100
10
INPUT
VOLTAGE
5mV/DIV
50μs/DIV
3105 G13
20
10
0
0.01
0.1 1 10
OUTPUT CURRENT (mA)
1
0.1
100
3105 G14
Efficiency vs Output Current and
Power Loss, V OUT = 5V
No-Load Input Current
vs Input Voltage
100
90
V IN = 3V
V IN = 2V
V IN = 1.5V
1000
800
700
V OUT = 3.3V
80
70
60
50
EFFICIENCY
100
10
600
500
400
300
40
30
POWER LOSS
1
200
100
20
0.01
0.1
1
10
0.1
100
0
0.2
0.4
0.6 0.8
1.0
1.2
OUTPUT CURRENT (mA)
3105 G15
INPUT VOLTAGE (V)
3105 G16
3105fa
5
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