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| 型号： | MAX867EUA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 2.5MA 8UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 2.7 V ~ 6 V |
| 输入电压： | 0.8 V ~ 6 V |
| 频率 - 开关： | 250kHz |
| 电流 - 输出： | 2.5mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 8-uMAX |
3.3V/5V or Adjustable-Output,
Single-Cell DC-DC Converters
Table 2. Surface-Mount Inductor Information
MANUFACTURER /PART
Sumida CD73-331
Sumida CD104-331
Murata-Erie LQH4N331K04M00**
TDK NLC565050T-331K**
Coilcraft D01608-334
Coilcraft DT1608-334
Coilcraft D03316-334
Coilcraft DT3316-334
J.W. Miller PM105-331K
INDUCTANCE
( μ H)
330
330
330
330
330
330*
330
330*
330
RESISTANCE
( ? )
1.5
1.1
8.2
4.9
2.9
2.9
0.7
0.7
1.1
RATED CURRENT
(A)
0.28
0.42
0.095
0.14
0.16
0.16
0.6
0.6
0.52
HEIGHT
(mm)
3.5
4
2.6
5
3.2
3.2
5.4
5.4
5.4
* Shielded
** Low cost
tolerate higher output ripple. Values in the 10μF to 47μF
range are recommended.
___________________Chip Topography
The equivalent series resistance (ESR) of both bypass
and filter capacitors affects efficiency and output ripple.
Use low-ESR capacitors for best performance, or con-
nect two or more filter capacitors in parallel. Low-ESR,
SMT tantalum capacitors are currently available from
Sprague (595D series) and AVX (TPS series). See
Table 1 for a list of suggested capacitor suppliers.
Rectifier Diode
For optimum performance, a switching Schottky diode
(such as the 1N5817 or MBR0520LTI) is recommended.
Refer to Table 1 for a list of component suppliers. For
low output power applications, a PN-junction switching
diode (such as the 1N4148) will also work well,
although its greater forward voltage drop will reduce
efficiency and raise the start-up voltage.
PC Layout and Grounding
The circuit’s high-frequency operation makes PC layout
important for minimizing ground bounce and noise.
Keep the IC’s GND pin and the ground leads of C1 and
SHDN
3/5
OR FB*
REF
LBO
0.058"
(1.4732mm)
*3/5 FOR MAX866; FB FOR MAX867.
LX
GND 0.084"
(2.1336mm)
OUT
LBI
C2 (Figure 2) less than 0.2in (5mm) apart. Also keep all
connections to the FB and LX pins as short as possible.
To maximize output power and efficiency and minimize
output ripple voltage, use a ground plane and solder
the IC’s GND (pin 7) directly to the ground plane.
TRANSISTOR COUNT: 357;
SUBSTRATE IS CONNECTED TO OUT.
______________________________________________________________________________________
11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX867EUA+ | 功能描述:直流/直流开关转换器 3.3/5/AdjV 1-Cell DC/DC Converter 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 |
| MAX867EUA+T | 功能描述:直流/直流开关转换器 3.3/5/AdjV 1-Cell DC/DC Converter 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 |
| MAX867EUA-G063 | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX867EUA-T | 功能描述:直流/直流开关转换器 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 |
| MAX867EUA-TG063 | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
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