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参数资料
| 型号： | DC1623A |
| 厂商： | Linear Technology |
| 文件页数： | 6/26页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL LTM8003 |
| 软件下载： | LTM8033 Spice Model |
| 设计资源： | DC1623A Design Files |
| 标准包装： | 1 |
| 系列： | µModule® |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 3.3V |
| 电流 - 输出： | 3A |
| 输入电压： | 5.5 ~ 36 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 425kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | LTM8033 |
LTM8033
TYPICAL PERFORMANCE CHARACTERISTICS
T A = 25°C, unless otherwise noted.
1800
Input Current vs Output Current
18V OUT
40
Minimum Required Input Voltage
vs Output Voltage, I OUT = 3A
4.4
Minimum Required Input Voltage
vs Load Current, 2.5V OUT
1600
35
4.2
1400
1200
1000
800
600
400
200
36V IN
30
25
20
15
10
5
4.0
3.8
3.6
3.4
3.2
TO START, WITH RUN = V IN
TO RUN OR SS
CONTROLLED START
0
0
500
1000 1500
2000
2500
3000
0
0
5
10
15
3.0
0
500
1000 1500
2000
2500
3000
OUTPUT CURRENT (mA)
8033 G19
OUTPUT VOLTAGE (V)
8033 G20
LOAD CURRENT (mA)
8033 G21
6.0
5.5
5.0
4.5
4.0
3.5
Minimum Required Input Voltage
vs Load Current, 3.3V OUT
TO START, WITH RUN = V IN
RUN/SS CONTROLLED START
TO RUN
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
Minimum Required Input Voltage
vs Load Current, 5V OUT
TO START, WITH RUN = V IN
TO RUN OR RUN/SS
CONTROLLED START
10.5
10.0
9.5
9.0
8.5
Minimum Required Input Voltage
vs Load Current, 8V OUT
TO START, WITH RUN = V IN
TO RUN OR RUN/SS
CONTROLLED START
3.5
3.0
0
500
1000 1500
2000
2500
3000
3.0
0
500
1000 1500
2000
2500
3000
8.0
0
500
1000 1500
2000
2500
3000
LOAD CURRENT (mA)
8033 G22
LOAD CURRENT (mA)
8033 G23
LOAD CURRENT (mA)
8033 G24
20
Minimum Required Input Voltage
vs Load Current, 12V OUT
30
Minimum Required Input Voltage
vs Load Current, 18V OUT
80
Radiated Emissions, 36V IN ,
24V OUT at 1.5A Load
19
18
28
26
70
60
17
16
15
14
13
TO RUN OR START
24
22
20
18
16
14
TO START,
WITH RUN = V IN
TO RUN
RUN/SS CONTROLLED START
50
40
30
20
10
12
0
500
1000 1500 2000
LOAD CURRENT (mA)
2500
3000
12
0
500
1000 1500 2000
LOAD CURRENT (mA)
2500
3000
0
30
226.2 422.4 618.6 814.8 1010
128.1 324.3 520.5 716.7 912.9
8033 G25
8033 G26
FREQUENCY (MHz)
8033 G27
8033fa
6
For more information www.linear.com/LTM8033
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