MAX1651CSA

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MAX1651CSA

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IC REG CTRLR BUCK 8SOIC

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性 値
Supplier Rochester Electronics, LLC,Analog Devices Inc./Maxim Integrated
Package Tube,Tube
ProductStatus Obsolete
OutputType Transistor Driver
Function Step-Down
OutputConfiguration Positive
Topology Buck
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 3V ~ 16V
Frequency-Switching Up to 300kHz
DutyCycle(Max) 96.5%
SynchronousRectifier No
ClockSync No
ControlFeatures Enable
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

概要

Description

MAX1651CSA is a Maxim hot‑swap controller that protects a live power rail by driving an external MOSFET. It manages inrush, limits current, and guards against faults to prevent damage during plug‑in/removal.
Key features
- Programmable current limit via sense resistor
- Programmable soft‑start to tame inrush
- Undervoltage lockout (UVLO)
- Overcurrent protection (latch or hiccup)
- Overvoltage protection and thermal shutdown
- Fault/STATUS signals (open‑drain outputs)
- Enable input and wide operating range for power rails
Typical applications
- Server backplanes, telecom power rails, and other systems needing safe plug‑in protection for live supplies.
Note: The CSA suffix denotes a specific package/temperature grade variant of the MAX1651 family; check the datasheet for exact package and electrical details.

Pinout

- Pin count: 16 pins (CSA package)
- Function: PWM controller for a switching regulator (buck) – provides fixed-frequency, current‑mode control with protections (UVLO, soft-start, etc.) and drives external power transistors to regulate output voltage.

Manufacturer

Manufacturer: Maxim Integrated Products, Inc.
Company type: A fabless semiconductor company that designs and markets analog and mixed-signal integrated circuits (now part of Analog Devices).

Application

MAX1651CSA is a hot‑swap controller for live DC rails. Typical applications:
- Hot‑swap protection for servers, telecom gear, and data‑storage PSUs
- Redundant/ORing backplanes and high‑availability power supplies
- DC‑DC input protection stages and fault isolation
- Power sequencing, monitoring, and protection in data centers and industrial equipment
Used to safely insert/remove power rails and provide current limit and fault signaling in complex power architectures.

Package

MAX1651CSA comes in a 28-pin SSOP (Plastic Small-Outline) package.

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