LTM4639IY
Module DC-DC with 1 output ranging from 0.6V to 5.5V and a 20A capacity for medical purposes
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Part Number : LTM4639IY
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Package/Case : BGA-133
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Brands : Analog Devices
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Datesheet : LTM4639IY DataSheet (PDF)
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Series : LTM4639
Overview of LTM4639IY
The LTM4639 is a complete 20A output high efficiency switch mode step-down DC/DC μModule (power module) regulator. Included in the package are the switching controller, power FETs, inductor and compensation components. Operating over an input voltage range from 2.375V to 7V, the LTM4639 supports an output voltage range of 0.6V to 5.5V, set by a single external resistor. Only a few input and output capacitors are needed.
Key Features
- Complete 20A Switch Mode Power Supply
- 2.375V to 7V Input Voltage Range (VIN < 4.5V, Need CPWR Bias)
- 0.6V to 5.5V Output Voltage Range
- ±1.5% Maximum Total DC Output Voltage Error (–40°C to 125°C)
- Differential Remote Sense Amplifier for Precision Regulation (VOUT ≤ 3.3V)
- Current Mode Control/Fast Transient Response
- Parallel Multiphase Current Sharing (Up to 80A)
- Frequency Synchronization
- Selectable Pulse-Skipping or Burst Mode® Operation
- Soft-Start/Voltage Tracking
- Up to 88% Efficiency (3.3VIN, 1.5VOUT)
- Overcurrent Foldback Protection
- Output Overvoltage Protection
- Internal Temperature Monitor
- Overtemperature Protection
- 15mm × 15mm × 4.92mm BGA Package
Application
- Telecom Servers and Networking Equipment
- Industrial Equipment
- Medical Systems
- High Ambient Temperature Systems
- 3.3V Input Systems
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category | Switching Voltage Regulators | RoHS | No -RoHS Version Available |
Output Voltage | 600 mV to 5.5 V | Output Current | 20 A |
Input Voltage, Max | 7 V | Number of Outputs | 1 Output |
Topology | Buck | Package / Case | BGA-133 |
Mounting Style | SMD/SMT | Switching Frequency | 250 kHz to 800 kHz |
Quiescent Current | 45 uA | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature | + 125 C | Series | LTM4639 |
Input Voltage, Min | 2.375 V | Brand | Analog Devices |
Development Kit | DC2166A | Input Voltage | 2.375 V to 7 V |
Load Regulation | 0.1 % | Moisture Sensitive | Yes |
Operating Supply Current | 25 mA | Product Type | Switching Voltage Regulators |
Shutdown | Shutdown | Factory Pack Quantity | 119 |
Subcategory | PMIC - Power Management ICs | Tradename | uModule |
Type | DC/DC µModule Step-Down Regulator |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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