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参数资料
| 型号： | DC1227A |
| 厂商： | Linear Technology |
| 文件页数： | 6/20页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR LTC3534 |
| 设计资源： | DC1227A Design Files DC1227A Schematic |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步升/步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 5V |
| 电流 - 输出： | 500mA（最小值） |
| 输入电压： | 3.6 ~ 7 V |
| 稳压器拓扑结构： | 降压-升压 |
| 频率 - 开关： | 1MHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | LTC3534 |
LTC3534
TYPICAL PERFORMANCE CHARACTERISTICS
V OUT Ripple at 300mA Load
T A = 25°C, unless otherwise noted.
Load Transient Response in Fixed
Frequency Mode, No-Load to
300mA
V IN = 5V
V IN = 3.6V
V IN = 6.4V
V OUT = 100mV/DIV
I LOAD = 100mA/DIV
V OUT = 50mV/DIV
INDUCTOR CURRENT
= 200mA/DIV
1μs/DIV
V OUT = 5V, AC-COUPLED
20mV/DIV
C OUT = 22μF
I LOAD = 300mA
Burst Mode Operation V OUT
Ripple at 25mA Load
10μs/DIV
V IN = V OUT = 5V
C OUT = 22μF
X5R CERAMIC
3534 G17
3534 G19
V OUT = 50mV/DIV
PWM = 2V/DIV
100μs/DIV
V IN = V OUT = 5V
I LOAD = 0 TO 300mA
C OUT = 22μF
X5R CERAMIC
Transition from Burst Mode
Operation to Fixed Frequency
Mode
100μs/DIV
V IN = V OUT = 5V
I LOAD = 25mA
C OUT = 22μF
X5R CERAMIC
3534 G18
3534 G20
V OUT Start-Up
V OUT = 2V/DIV
RUN/SS = 1V/DIV
(STARTS AT 1V)
INDUCTOR CURRENT =
500mA/DIV PWM OPERATION MUST BE COMMANDED
500μs/DIV
3534 G21
I LOAD = 100mA
3534fb
6
For more information www.linear.com/LTC3534
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