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参数资料
| 型号： | MAX8640ZEXT18+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 1.8V .5A SC70-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 1.8V |
| 输入电压： | 2.7 V ~ 5.5 V |
| 频率 - 开关： | 4MHz |
| 电流 - 输出： | 500mA |
| 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： | 6-TSSOP，SC-88，SOT-363 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | SC-70-6 |
Tiny 500mA, 4MHz/2MHz Synchronous
Step-Down DC-DC Converters
their small size and low ESR. Make sure the capacitor
maintains its capacitance over temperature and DC
bias. Capacitors with X5R or X7R temperature charac-
teristics typically perform well. The output capacitance
can be very low; see the Selector Guide for recom-
mended capacitance values. For optimum load-tran-
sient performance and very low output ripple, the output
capacitor value in μF should be equal to or larger than
the inductor value in μH.
Input Capacitor
The input capacitor, C1, reduces the current peaks
drawn from the battery or input power source and
reduces switching noise in the IC. The impedance of C1
at the switching frequency should be kept very low.
Ceramic capacitors are recommended due to their
small size and low ESR. Make sure the capacitor main-
tains its capacitance over temperature and DC bias.
Capacitors with X5R or X7R temperature characteristics
Selector Guide
PART
OUTPUT
VOLTAGE (V)
FREQUENCY
(MHz)
RECOMMENDED COMPONENTS
L1 (μH) C2 (μF)
TOP MARK
MAX8640Y EXT08
MAX8640YEXT10
MAX8640YEXT11
MAX8640YEXT12
MAX8640YEXT13
MAX8640YEXT15
MAX8640YEXT16
MAX8640YEXT18
MAX8640YEXT19
MAX8640YEXT24
MAX8640YEXT25
MAX8640YEXT82
MAX8640YELT08
MAX8640YELT11
MAX8640YELT12
MAX8640YELT13
MAX8640YELT15
MAX8640YELT16
MAX8640YELT18
MAX8640YELT19
MAX8640YELT25
MAX8640YELT82
MAX8640Z EXT08
MAX8640ZEXT11
MAX8640ZEXT12
MAX8640ZEXT13
MAX8640ZEXT15
MAX8640ZEXT18
MAX8640ZELT08
MAX8640ZELT11
0.8
1.0
1.1
1.2
1.3
1.5
1.6
1.8
1.9
2.4
2.5
2.85
0.8
1.1
1.2
1.3
1.5
1.6
1.8
1.9
2.5
2.85
0.8
1.1
1.2
1.3
1.5
1.8
0.8
1.1
1.2
1.6
1.7
1.8
1.9
2.0
2.0
2.0
2.0
2.0
1.7
1.5
1.2
1.7
1.8
1.9
2.0
2.0
2.0
2.0
1.7
1.5
2.4
3.4
3.6
3.7
3.9
4.0
2.4
3.4
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
1
1
1
1
1
1
1
1
10
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
10
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
2.2
2.2
2.2
2.2
2.2
4.7
2.2
ACQ
ADF
ACR
ACS
ACG
ADD
ADB
ACI
ACH
ADM
ACJ
ADJ
NB
NC
ND
NE
NF
NG
NH
NI
NJ
OW
ACL
ACM
ACN
ACO
ACP
ACU
NK
NL
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8640ZEXT19+T | 功能描述:直流/直流开关转换器 500mA 4/2MHz Synch Step-Down DC/DC Conv 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 |
| MAX8640ZEXT25+ | 制造商:Maxim Integrated Products 功能描述:CONV DC-DC SGL-OUT STEP DOWN 6PIN SC-70 - Cut Tape Product |
| MAX8640ZEXT25+T | 功能描述:直流/直流开关转换器 500mA 4/2MHz Synch Step-Down DC/DC Conv 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 |
| MAX8643AETG/V+ | 功能描述:直流/直流开关调节器 3A 2MHz Step-Down Regulator w/Switch RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX8643AETG/V+T | 功能描述:直流/直流开关调节器 3A 2MHz Step-Down Regulator w/Switch RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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