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参数资料
| 型号： | MAX8640ZEXT19+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 1.9V .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： | 1.9V |
| 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
Selector Guide (continued)
PART
OUTPUT
VOLTAGE (V)
FREQUENCY
(MHz)
RECOMMENDED COMPONENTS
L1 (μH) C2 (μF)
TOP MARK
MAX8640ZELT12
MAX8640ZELT13
MAX8640ZELT15
MAX8640ZELT18
1.2
1.3
1.5
1.8
3.6
3.7
3.9
4.0
1
1
1
1
2.2
2.2
2.2
2.2
NM
NN
NO
NP
Ordering Information (continued)
typically perform well. Due to the MAX8640Y/
MAX8640Z soft-start, the input capacitance can be very
PART*
MAX8640YEXT24+T
MAX8640YEXT25+T
MAX8640YELT08+T
MAX8640YELT11+T
MAX8640YELT12+T
MAX8640YELT13+T
MAX8640YELT15+T
MAX8640YELT16+T
MAX8640YELT18+T
MAX8640YELT19+T
MAX8640YELT25+T
MAX8640YELT82+T
MAX8640Z EXT08+T
MAX8640ZEXT11+T
MAX8640ZEXT12+T
MAX8640ZEXT13+T
MAX8640ZEXT15+T
MAX8640ZEXT18+T
MAX8640ZELT08+T
MAX8640ZELT11+T
MAX8640ZELT12+T
MAX8640ZELT13+T
MAX8640ZELT15+T
MAX8640ZELT18+T
PIN-
PACKAGE
6 SC70
6 SC70
6 μDFN
6 μDFN
6 μDFN
6 μDFN
6 μDFN
6 μDFN
6 μDFN
6 μDFN
6 μDFN
6 μDFN
6 SC70
6 SC70
6 SC70
6 SC70
6 SC70
6 SC70
6 μDFN
6 μDFN
6 μDFN
6 μDFN
6 μDFN
6 μDFN
TOP MARK
ADM
ACJ
NB
NC
ND
NE
NF
NG
NH
NI
NJ
OW
ACL
ACM
ACN
ACO
ACP
ACU
NK
NL
NM
NN
NO
NP
low. For optimum noise immunity and low input ripple,
choose a capacitor value in μF that is equal to or larger
than the inductor’s value in μH.
PCB Layout and Routing
High switching frequencies and large peak currents
make PCB layout a very important part of design. Good
design minimizes excessive EMI on the feedback paths
and voltage gradients in the ground plane, both of
which can result in instability or regulation errors.
Connect the inductor, input capacitor, and output
capacitor as close together as possible, and keep their
traces short, direct, and wide. Connect the two GND
pins under the IC and directly to the grounds of the
input and output capacitors. Keep noisy traces, such
as the LX node, as short as possible. Refer to the
MAX8640Z evaluation kit for an example PCB layout
and routing scheme.
Chip Information
PROCESS: BiCMOS
*Contact factory for availability of each version. For 2.85V output
(82 version), request application note that includes limitations
and typical operating characteristics.
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
Note: All devices are specified over the -40°C to +85°C
operating temperature range.
8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| MAX8643AETG+ | 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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