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主要特征
应用/用途
Parametric specs for Step-Up Switching Regulators
VIN (V) (min) | 0.4 |
VIN (V) (max) | 5.5 |
VOUT1 (V) (min) | 1.8 |
VOUT1 (V) (max) | 5 |
IOUT1 (A) (max) | 0.2 |
Switch Type | Internal |
Output Adjust. Method | Resistor |
Synchronous Switching? | Yes |
IQ (mA) (typ) | 0.00030 |
Shutdown Mode Supply Current (µA) (typ) | 0.001 |
# DC-DC Outputs | 1 |
Switching Frequency (kHz) | 2000 |
Design Tools | EE-Sim |
Package/Pins | THIN WLP/6 UDFN-CU/6 |
Budgetary Price (See Notes) | 1.29 |
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参量
Parametric specs for Step-Up Switching Regulators
VIN (V) (min) | 0.4 |
VIN (V) (max) | 5.5 |
VOUT1 (V) (min) | 1.8 |
VOUT1 (V) (max) | 5 |
IOUT1 (A) (max) | 0.2 |
Switch Type | Internal |
Output Adjust. Method | Resistor |
Synchronous Switching? | Yes |
IQ (mA) (typ) | 0.00030 |
Shutdown Mode Supply Current (µA) (typ) | 0.001 |
# DC-DC Outputs | 1 |
Switching Frequency (kHz) | 2000 |
Design Tools | generateDesignEESIMUrl('https://maxim.transim.com/pwm2/designreq/Index?partId=7077', '') |
Package/Pins | THIN WLP/6 UDFN-CU/6 |
Budgetary Price (See Notes) | 1.29 |
Parametric specs for Step-Up Switching Regulators
VIN (V) (min) | 0.4 |
VIN (V) (max) | 5.5 |
VOUT1 (V) (min) | 1.8 |
VOUT1 (V) (max) | 5 |
IOUT1 (A) (max) | 0.2 |
Switch Type | Internal |
Output Adjust. Method | Resistor |
Synchronous Switching? | Yes |
IQ (mA) (typ) | 0.00030 |
Shutdown Mode Supply Current (µA) (typ) | 0.001 |
# DC-DC Outputs | 1 |
Switching Frequency (kHz) | 2000 |
Design Tools | generateDesignEESIMUrl('https://maxim.transim.com/pwm2/designreq/Index?partId=7077', '') |
Package/Pins | THIN WLP/6 UDFN-CU/6 |
Budgetary Price (See Notes) | 1.29 |
主要特征
- OUT引脚300nA静态电流
- 真关断模式
- 0.5nA关断电流
- 输出从输入断开
- 无反向电流,VOUT 0V至5V
- 效率最高达95%
- 400mV至5.5V输入范围
- 0.88V最小启动电压
- 1.8V至5V输出电压范围
- 100mV/Step
- 单个1%电阻可选输出
- 225mA、500mA和1A峰值电感电流限值
- MAX17220:225mA ILIM
- MAX17221/MAX17222/MAX17223:500mA ILIM
- MAX17224/MAX17225:1A ILIM
- MAX17220/MAX17222/MAX17224使能瞬态保护(ETP)
- 2mm x 2mm、6引脚μDFN封装
- 0.88mm x 1.4mm、6焊球WLP封装(2 x 3,0.4mm焊球间距)
应用/用途
- Battery-Powered Medical Equipment
- Low-Power Wireless Communication Products
- Optical Heart-Rate Monitoring (OHRM) LED Drivers
- Primary-Cell Portable Systems
- Secondary-Cell Portable Systems
- Supercapacitor Backup for Real-Time Clock (RTC)/Alarm Buzzers
- Tiny, Low-Power IoT Sensors
- Wearable Devices
描述
MAX17220–MAX17225为超低静态电流DC-DC升压转换器,拥有225mA/0.5A/1A峰值电感电流限值和真关断(True Shutdown™)。真关断功能将输出与输入断开,没有正向或反向电流。输出电压可由一个1%标准电阻选择。225mA (MAX17220)、500mA (MAX17221/MAX17222/MAX17223)和1A (MAX17224/MAX17225)峰值电感电流限值允许灵活选择电感。MAX17220/MAX17222/MAX17224版本拥有启动后使能瞬态保护(ETP),根据负载电流的不同,当输入电压下降到400mV以下时,允许输出保持在稳压范围之内。MAX17220–MAX17225拥有超低静态电流、较小方案总尺寸,在整个负载范围之内都保持高效。MAX17220–MAX17225可理想用于长电池寿命至关重要的电池应用。

设计资源: Make Your IoT Device Last Longer with a nanoPower Boost Converter ›

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