規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable (Fixed) |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 1.25V (2.5V) |
| Voltage-Output(Max) | 5V |
| VoltageDropout(Max) | 0.45V @ 1A |
| Current-Output | 1A |
| Current-Quiescent(Iq) | 200 µA |
| ControlFeatures | Enable, Reset |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 16-TSSOP (0.173, 4.40mm Width) Exposed Pad |
概述
Description
MAX1793EUE25+T is a Maxim Integrated (now Analog Devices) power-management IC in the MAX1793 family. It’s a high-efficiency switch-mode DC-DC converter used to generate precise voltages for microprocessors and peripherals. Depending on the variant, it supports buck/boost/buck-boost configurations with either integrated or external MOSFETs, an adjustable output via feedback, and protections such as undervoltage lockout, overcurrent/short-circuit protection, and thermal shutdown. The EUE25+T suffix denotes a specific package (EUE) and Tape-and-Reel shipping; exact pinout, input/output ranges, switching frequency, and efficiency are in the datasheet. Typical applications include portable devices, embedded systems, and automotive electronics. For precise specs, consult the official datasheet or provide a link to the specific variant.
Features
Here are concise features often highlighted for MAX1793EUE25+T (dual automotive-grade buck controller):
- Dual high-voltage, automotive-grade step-down controllers for two outputs
- Wide input range: 6V to 60V to handle automotive transients
- Independent current-mode PWM control for each channel
- Drives external MOSFETs to implement two buck regulators
- Programmable switching frequency (up to about 1 MHz)
- Independent feedback networks for each output; adjustable output voltages
- Soft-start and channel tracking options
- Protections: cycle-by-cycle overcurrent, undervoltage lockout, overvoltage, and thermal shutdown
- Enable input with output discharge on shutdown; fault/status reporting
- Automotive temperature range (-40°C to +125°C)
- RoHS-compliant; packaging suitable for tape-and-reel (EUE25+T)
Note: exact specs (e.g., precise voltage ranges, current limits, and pinout) can vary by revision; consult the latest datasheet for definitive values.
- Dual high-voltage, automotive-grade step-down controllers for two outputs
- Wide input range: 6V to 60V to handle automotive transients
- Independent current-mode PWM control for each channel
- Drives external MOSFETs to implement two buck regulators
- Programmable switching frequency (up to about 1 MHz)
- Independent feedback networks for each output; adjustable output voltages
- Soft-start and channel tracking options
- Protections: cycle-by-cycle overcurrent, undervoltage lockout, overvoltage, and thermal shutdown
- Enable input with output discharge on shutdown; fault/status reporting
- Automotive temperature range (-40°C to +125°C)
- RoHS-compliant; packaging suitable for tape-and-reel (EUE25+T)
Note: exact specs (e.g., precise voltage ranges, current limits, and pinout) can vary by revision; consult the latest datasheet for definitive values.
Pinout
- Pin count: 25 pins
- Function: High-voltage buck DC-DC switching regulator controller (current‑mode PWM) used to regulate a higher input voltage down to a lower output, typically with an external power MOSFET for automotive/industrial power supplies.
- Function: High-voltage buck DC-DC switching regulator controller (current‑mode PWM) used to regulate a higher input voltage down to a lower output, typically with an external power MOSFET for automotive/industrial power supplies.
Manufacturer
The MAX1793EUE25+T is manufactured by Maxim Integrated. Maxim is a semiconductor company that designs and manufactures analog and mixed-signal integrated circuits, including power-management, interface, sensor, and signal-processing ICs. In 2021, Maxim Integrated was acquired by Analog Devices and is now part of Analog Devices' portfolio.
Application
MAX1793EUE25+T 的典型应用领域包括：
- 汽车与工业电源：高效升压/降压DC-DC转换、车载/工业电源模块
- LED背光驱动：恒流LED驱动与背光模块
- 便携与电池供电系统：高效DC-DC变换，提升电源效率
- 显示与通信设备的电源管理
- 太阳能与能量采集系统的功率转换与管理
注：EUE25+T 表示适用于宽温/苛刻环境的汽车/工业等级应用。
- 汽车与工业电源：高效升压/降压DC-DC转换、车载/工业电源模块
- LED背光驱动：恒流LED驱动与背光模块
- 便携与电池供电系统：高效DC-DC变换，提升电源效率
- 显示与通信设备的电源管理
- 太阳能与能量采集系统的功率转换与管理
注：EUE25+T 表示适用于宽温/苛刻环境的汽车/工业等级应用。
Package
28-pin TQFN (5x5 mm) package; +T indicates tape-and-reel.
