参数资料
| 型号： | LTC3417EDHC#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/20页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ DL 16DFN |
| 标准包装： | 73 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 2 |
| 输出电压： | 0.8 V ~ 5 V |
| 输入电压： | 2.25 V ~ 5.5 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 1.5MHz，600kHz ~ 4MHz |
| 电流 - 输出： | 800mA，1.4A |
| 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： | 16-WFDFN 裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 16-DFN（5x3） |
LTC3417
TYPICAL PERFORMANCE CHARACTERISTICS
OUT1 Pulse Skipping
OUT1 Forced Continuous
V OUT
20mV/DIV
I L
250mA/DIV
OUT1 Burst Mode Operation
V OUT
20mV/DIV
I L
250mA/DIV
Mode Operation
V OUT
20mV/DIV
I L
250mA/DIV
Mode Operation
V IN = 3.6V
2μs/DIV
3417 G01
V IN = 3.6V
2μs/DIV
3417 G02
V IN = 3.6V
2μs/DIV
3417 G03
V OUT
20mV/DIV
I L
250mA/DIV
V OUT = 1.8V
I LOAD = 100mA
REFER TO FIGURE 4
OUT2 Burst Mode Operation
V OUT
20mV/DIV
I L
250mA/DIV
V OUT = 1.8V
I LOAD = 100mA
REFER TO FIGURE 4
OUT2 Pulse Skipping
Mode Operation
V OUT
20mV/DIV
I L
250mA/DIV
V OUT = 1.8V
I LOAD = 100mA
REFER TO FIGURE 4
OUT2 Forced Continuous
Mode Operation
V IN = 3.6V 2μs/DIV
V OUT = 2.5V
I LOAD = 60mA
REFER TO FIGURE 4
3417 G04
V IN = 3.6V 2μs/DIV
V OUT = 2.5V
I LOAD = 60mA
REFER TO FIGURE 4
3417 G05
V IN = 3.6V 2μs/DIV
V OUT = 2.5V
I LOAD = 60mA
REFER TO FIGURE 4
3417 G06
OUT1 Ef?ciency vs V IN
OUT1 Ef?ciency vs Load Current
OUT2 Ef?ciency vs Load Current
(Burst Mode Operation)
100
V IN = 2.5V
95 V OUT = 1.8V
90
100
V IN = 3.6V
95 V OUT = 2.5V
90
100
95
V OUT = 1.8V
I LOAD = 460mA
90
85
80
85
80
85
I LOAD = 1.4A
75
Burst Mode
75
Burst Mode
80
70
65
60
0.001
0.01
0.1
OPERATION
PULSE SKIP
FORCED
CONTINUOUS
REFER TO FIGURE 4
1
10
70
65
60
0.001
0.01
OPERATION
PULSE SKIP
FORCED
CONTINUOUS
REFER TO FIGURE 4
0.1
1
75
70
2
2.5
3
3.5
REFER TO FIGURE 4
4 4.5 5 5.5
LOAD CURRENT (A)
3417 G07
LOAD CURRENT (A)
3417 G08
V IN (V)
3417 G09
3417fd
4
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