参数资料
| 型号： | AP6503SP-13 |
| 厂商： | Diodes Inc |
| 文件页数： | 12/15页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 3A 8SO |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.925 V ~ 20 V |
| 输入电压： | 4.75 V ~ 23 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 340kHz |
| 电流 - 输出： | 3A |
| 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-SOIC（0.154"，3.90mm Width）裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 8-SO 裸露焊盘 |
| 其它名称： | AP6503SP-13DIDKR |
AP6503
Application Information (cont.)
PC Board Layout
This is a high switching frequency converter. Hence attention must be paid to the switching currents interference in the layout. Switching current
from one power device to another can generate voltage transients across the impedances of the interconnecting bond wires and circuit traces.
These interconnecting impedances should be minimized by using wide, short printed circuit traces.
External feedback
resistor dividers
must be placed
close to the FB pin.
34mm
Input capacitor C1
must be placed as
close as possible
to the IC and to L1.
52mm
AP6503 is exposed at the bottom of the package and must be soldered directly to a well designed thermal pad on the PCB. This will help to
increase the power dissipation.
External Bootstrap Diode
It is recommended that an external bootstrap diode be added when the input voltage is no greater than 5V or the 5V rail is available in the
system. This helps to improve the efficiency of the regulator. This solution is also applicable for D > 65%. The bootstrap diode can be a low cost
one such as BAT54 or a schottky that has a low Vf.
5V
BOOST
BST
4
DIODE
AP6503
SW
3
10nF
Figure 7 – External Bootstrap
Compensation Components
Recommended Diodes:
AP6503
Document number: DS35077 Rev. 5 - 2
Part Number
B130
SK13
Voltage/Current
Rating
30V, 1A
30V, 1A
12 of 15
Vendor
Diodes Inc
Diodes Inc
January 2013
? Diodes Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AP6507 | 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:500 kHz 18V 3A SYNCHRONOUS DC/DC BUCK CONVERTER |
| AP6507SP-13 | 功能描述:直流/直流开关转换器 SWITCHING REG CONV POWER SUPPLY RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| AP6508 | 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:500kHz 21V 3A SYNCHRONOUS DC/DC BUCK CONVERTER |
| AP6508FE | 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:500kHz 21V 3A SYNCHRONOUS DC/DC BUCK CONVERTER |
| AP6508FE-13 | 制造商:Diodes Incorporated 功能描述:SWITCHING REGULATOR CONVERTER BUCK CONVERTER SYNCHRONOUS DF - Tape and Reel |
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