LTM4644/LTM4644-1 - Quad DC/DC μModule (Power Module) Regulator with Configurable 4A Output Array
The LTM®4644/LTM4644-1 is a quad DC/DC step-down μModule (micromodule) regulator with 4A per output. Outputs can be paralleled in an array for up to 16A capability. Included in the package are the switching controllers, power FETs, inductors and support components. Operating over an input voltage range of 4V to 14V or 2.375V to 14V with an external bias supply, the LTM4644/LTM4644-1 supports an output voltage range of 0.6V to 5.5V. Its high efficiency design delivers 4A continuous (5A peak) output current per channel. Only bulk input and output capacitors are needed.
Features
Typical Application  | Applications
Packaging |
| Part Number | Package | Temp | Price(1-99) | Price (1k)* |
|---|---|---|---|---|
| LTM4644EY-1#PBF | 15mm × 9mm × 5.01mm BGA | E | $32.64 | $22.85 |
| LTM4644EY#PBF | 15mm × 9mm × 5.01mm BGA | E | $32.64 | $22.85 |
| LTM4644IY-1#PBF | 15mm × 9mm × 5.01mm BGA | I | $35.91 | $25.14 |
| LTM4644IY#PBF | 15mm × 9mm × 5.01mm BGA | I | $35.91 | $25.14 |
| LTM4644MPY | 15mm × 9mm × 5.01mm BGA | MP | $73.44 | $51.41 |
| LTM4644MPY#PBF | 15mm × 9mm × 5.01mm BGA | MP | $64.64 | $45.25 |
Demo Boards
| Part Number | Description | Price |
|---|---|---|
| DC1900A | LTM4644 Demo Board | Quad Buck µModule Regulator, 4V ≤ VIN ≤ 14V, Vout1 - Vout4 = 3.3V/2.5V/1.5V/1.2V @ 4A Each | $65.00 |
| DC2428A | LTC2975 Demo Board Set | LTM4644 Quad 4A Power Supply Management (includes DC2382A + DC2363A) [requires DC1613] | $200.00 |
| Part Number | Description | Price |
|---|---|---|
| DC1613A | USB-to-PMBus Controller for Use with LTpowerPlay | $50.00 |
| DC2026C | Linduino One Isolated USB Demo Board: An Arduino- and QuikEval-Compatible Code Development Platform | $75.00 |
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