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参数资料
| 型号： | LTC3409IDD#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 0.6A 8DFN |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.62 V ~ 5.5 V |
| 输入电压： | 1.6 V ~ 5.5 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 1.7MHz ~ 2.6MHz |
| 电流 - 输出： | 600mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-DFN-EP（3x3） |
LTC3409
TYPICAL PERFORMANCE CHARACTERISTICS
(From Typical Application on the front page except for the resistive divider resistor values)
Ef?ciency/Power Lost
vs Load Current, V OUT = 1.8V
Ef?ciency vs Input Voltage
V OUT = 1.2V, Burst Mode Operation
Ef?ciency vs Input Voltage
V OUT = 1.2V, Pulse Skip
100
1.0
100
100
90
80
70
1
2
3
4 5
6
0.1
90
80
70
90
80
70
I OUT = 800mA
I OUT = 600mA
I OUT = 100mA
60
60
60
50
40
8
10
0.01
50
40
50
40
I OUT = 10mA
30
20
10
0
0.1
12
1
9
7
11
10 100
0.001
0.0001
1000
30
20
10
0
1.5
I OUT = 0.1mA
I OUT = 1mA
I OUT = 10mA
2.5
3.5
I OUT = 100mA
I OUT = 600mA
I OUT = 800mA
4.5
5.5
30
20
10
0
1.5
I OUT = 1mA
I OUT = 0.1mA
2.5 3.5
4.5
5.5
LOAD CURRENT (mA)
3409 G01
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
1: 2.5V IN , BURST
2: 3.6V IN , BURST
3: 4.2V IN , BURST
4: 2.5V IN , PULSE SKIP
5: 3.6V IN , PULSE SKIP
6: 4.2V IN , PULSE SKIP
7: POWER LOST, 2.5V IN , BURST
8: POWER LOST, 2.5V IN , PULSE SKIP
9: POWER LOST, 3.6V IN , BURST
10: POWER LOST, 3.6V IN , PULSE SKIP
11: POWER LOST, 4.2V IN , BURST
12: POWER LOST, 4.2V IN , PULSE SKIP
3409 G02
3409 G03
Ef?ciency vs Load Current
V OUT = 2.5V
Ef?ciency vs Load Current
V OUT = 1.2V
Reference Voltage
vs Temperature
100
90
80
70
60
50
40
BURST
2.7V IN
4.2V IN
3.6V IN
2.7V IN
3.6V IN
4.2V IN
100
90
80
70
60
50
40
BURST
2.5V IN
1.6V IN
3.1V IN
3.1V IN
2.5V IN
0.618
0.617
0.616
0.615
0.614
0.613
0.612
30
20
10
0
PULSE SKIP
30
20
10
0
1.6V IN
PULSE SKIP
0.611
0.610
0.609
0.608
0.1
1
10 100
1000
0.1
1
10 100
1000
–50 –30 –10 10 30 50 70 90 110 130 150
LOAD CURRENT (mA)
3409 G04
LOAD CURRENT (mA)
3409 G05
TEMPERATURE (°C)
3409 G06
3409fc
4
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相关代理商/技术参数 |
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| LTC3410 | 制造商:LINER 制造商全称:Linear Technology 功能描述:2.25MHz, 300mA Synchronous Step-Down Regulator in SC70 |
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