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LTM4644IY#PBF

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LTM4644IY#PBF is an Analog Devices LTM4644 quad-output step-down (buck) µModule regulator — complete DC/DC with integrated controllers, MOSFETs, inductors and support components, supplied in a 77-lead BGA, 9 m 15 × 5.01 mm; tray (RoHS Pb-free (SAC305)). It operates from 4 V to 14 V (2.375 V to 14 V with external bias) with 0.6 V to 5.5 V, adjustable (each output) output, delivers 4 A per output (up to 16 A paralleled); 5 A peak per channel, switches at 1 MHz; external synchronization within ±30% of set frequency, and integrates the controller, power devices, inductor(s) and support components in one package.

Stock & Date Code

Brand	Part Number	Qty	D/C	Note
ADI	LTM4644IY#PBF	460	25+	Analog Devices LTM4644IY#PBF quad step-down µmodule regulator; confirm date code, lot and packing condition by RFQ.

Listed stock and date code are subject to final RFQ confirmation.

Power IC Specifications

Parameter	Value / Specification
Function / Topology	Quad-output step-down (buck) µModule regulator — complete DC/DC with integrated controllers, MOSFETs, inductors and support components
Input Voltage	4 V to 14 V (2.375 V to 14 V with ernal bias)
Output Voltage	0.6 V to 5.5 V, adjustable (each output)
Output Current	4 A per output (up to 16 A paralleled); 5 A peak per channel
Switching Frequency	1 MHz; ernal synchronization within ±30% of set frequency
Quiescent Current	6 mA typ (MODE = INTVCC); 2 mA typ (MODE = GND); 11 µA shutdown
Control & Protection	Quad configurable output array, parallelable, current-mode control, fast transient response, output voltage tracking, per-channel PGOOD, internal temperature-sense diode, ernal synchronization, OVP/OCP/OTP
Operating Temperature	−40 °C to +125 °C (I-grade)
Package / Case	77-lead BGA, 9 m 15 × 5.01 mm; tray (RoHS Pb-free (SAC305))

Power Features & Applications

LTM4644 quad-output step-down (buck) µmodule regulator
Input 4 V to 14 V (2.375 V to 14 V with external bias); output 0.6–5.5 V
Up to 4 A/output output current
Switching frequency 1 MHz; external synchronization within ±30% of set frequency
Quad configurable output array, parallelable, current-mode control, fast transient response, output voltage tracking, per-channel PGOOD, internal temperature-sense diode, external synchronization, OVP/OCP/OTP
Supplied in 77-lead BGA, 9 m 15 × 5.01 mm; tray (RoHS Pb-free (SAC305))

Why Procurement Teams Source LTM4644IY#PBF

Buyers normally source LTM4644IY#PBF when an existing BOM requires the same manufacturer suffix for compact power-module rails with qualified layout constraints. 460 pcs is listed as controlled engineering or repair quantity; LimChip should confirm live allocation, batch condition and lead time before purchase. Suited to buyers needing the exact LTM4644IY#PBF ordering code — the LTM4644 quad step-down µmodule µModule in 77-lead BGA, 9 m 15 × 5.01 mm; tray (RoHS Pb-free (SAC305)) — rather than a generic module.

LimChip can confirm current price, date code, packing condition, lot traceability and shipment schedule for LTM4644IY#PBF.

Power Component Sourcing Checklist

Confirm voltage, current, thermal rating and protection features against the original BOM.
Match 77-lead BGA, 9 m 15 × 5.01 mm; tray (RoHS Pb-free (SAC305)), reel format and automotive or industrial grade requirements when needed.
Confirm live allocation, quantity and 25+ before order release.

LTM4644IY#PBF (LTM4644 quad step-down µmodule µModule, RoHS Pb-free BGA) is offered from stock; live quantity and lot split are confirmed by RFQ.

Need Price & Availability for LTM4644IY#PBF?

LimChip can confirm current price, date code, packing condition, lot traceability and shipment schedule for LTM4644IY#PBF.

Listed stock is subject to final RFQ confirmation.

For faster RFQ confirmation, please include:

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Target date code
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Quality, Shipping & Payment

Commercial and shipment details for LTM4644IY#PBF are confirmed with the formal quotation.

Quality Confirmation

Date code, batch, package, label and marking details are checked before shipment. Inspection photos and third-party inspection support are available when required.

Shipping

LimChip supports worldwide delivery through established logistics providers. Carrier, lead time, tracking and buyer-appointed freight-forwarder requirements are confirmed by our sales team.

Payment

Payment method, currency and trade terms are confirmed in the formal quotation or proforma invoice. Contact our sales team for the options available for your order.

Frequently Asked Questions

Is LTM4644IY#PBF available from LimChip?

LimChip can confirm current availability, price, quantity, date code and lead time for LTM4644IY#PBF by RFQ.

What should buyers check before ordering LTM4644IY#PBF?

Buyers should check voltage range, current rating, package, protection features and date code for LTM4644IY#PBF, together with live stock and traceable supply.

How do I request a quote for LTM4644IY#PBF?

Use the RFQ button and include required quantity, target date code, package/case requirement, delivery country, company name and contact details.