参数资料
型号: LTC3406ES5-1.8#TRPBF
厂商: Linear Technology
文件页数: 4/16页
文件大小: 0K
描述: IC REG BUCK SYNC 1.8V TSOT23-5
标准包装: 2,500
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 1.8V
输入电压: 2.5 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 1.5MHz
电流 - 输出: 600mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SOT-23-5 细型,TSOT-23-5
包装: 带卷 (TR)
供应商设备封装: TSOT-23-5
LTC3406
LTC3406-1.5/LTC3406-1.8
TYPICAL PERFOR A CE CHARACTERISTICS
(From Figure1a Except for the Resistive Divider Resistor Values)
Oscillator Frequency vs
Supply Voltage
Output Voltage vs Load Current
R DS(ON ) vs Input Voltage
1.8
1.7
1.844
1.834
V IN = 3.6V
0.7
0.6
1.6
1.824
1.814
0.5
0.4
MAIN
SWITCH
1.5
1.804
0.3
SYNCHRONOUS
1.4
1.3
1.794
1.784
0.2
0.1
SWITCH
1.2
2
3 4 5
6
1.774
0
100 200 300 400 500 600 700 800 900
0
0
1
2 3
4
5
6
7
SUPPLY VOLTAGE (V)
R DS(ON) vs Temperature
3406 G07
LOAD CURRENT (mA)
3406 G08
Supply Current vs Supply Voltage
INPUT VOLTAGE (V)
3406 G09
Supply Current vs Temperature
I LOAD = 0A
0.7
0.6
V IN = 4.2V
V IN = 2.7V
V IN = 3.6V
50
45
40
V OUT = 1.8V
I LOAD = 0A
50
V IN = 3.6V
45 V OUT = 1.8V
40
0.5
0.4
0.3
0.2
35
30
25
20
15
10
35
30
25
20
15
10
0.1
MAIN SWITCH
5
5
0
SYNCHRONOUS SWITCH
–50 –25 0 25 50 75
100
125
0
2
3
4
5
6
0
–50 –25
0
25
50
75
100
125
TEMPERATURE ( ° C)
3406 G10
Switch Leakage vs Temperature
SUPPLY VOLTAGE (V)
3406 G11
Switch Leakage vs Input Voltage
TEMPERATURE ( ° C)
Burst Mode Operation
3406 G12
300
V IN = 5.5V
120
RUN = 0V
250
200
RUN = 0V
100
80
SYNCHRONOUS
SWITCH
SW
5V/DIV
V OUT
100mV/DIV
150
100
60
40
MAIN
SWITCH
AC COUPLED
I L
200mA/DIV
50
MAIN SWITCH
SYNCHRONOUS SWITC H
20
V IN = 3.6V
V OUT = 1.8V
4 μ s/DIV
3406 G15
0
–50 –25
0
25
50
75
100
125
0
0
1
2 3 4
5
6
I LOAD = 50mA
TEMPERATURE ( ° C)
3406 G13
INPUT VOLTAGE (V)
3406 G14
3406fa
4
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