LTC7810

RECOMMENDED FOR NEW DESIGNS

150V Low I_Q, Dual, 2-Phase Synchronous Step-Down DC/DC Controller

Data Sheet (Rev. C) Product Selection Table

Part Models: 5
1ku List Price: Starting From $6.12

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Part Details

Wide V_IN Range: 4.5V to 140V (150V Abs Max)
Wide Output Voltage Range: 1V ≤ V_OUT ≤ 60V
Low Operating I_Q: 16μA (48V_IN to 12V_OUT and 3.3V_OUT)
Adjustable Gate Drive Level Up to 10V
Optional Spread Spectrum Operation
Very Low Dropout: 100% Duty Cycle Operation
Low I_Q in Dropout: 78µA (One Channel On)
R_SENSE or Inductor DCR Current Sensing
Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise

Phase-Lockable Frequency (75kHz to 720kHz)
Programmable Fixed Frequency (50kHz to 750kHz)
Selectable Continuous, Pulse-Skipping, or Low Ripple Burst Mode^® Operation at Light Loads
Onboard LDO or External NMOS LDO for DRV_CC
EXTV_CC LDO Powers Drivers from V_OUT
Programmable Input Overvoltage Lockout
48-Lead (7mm × 7mm) eLQFP Package
AEC-Q100 in Progress

Part Models: 5
1ku List Price: Starting From $6.12

Documentation

Data Sheet 1

LTC7810: 150V Low I_Q, Dual, 2-Phase Synchronous Step-Down DC/DC Controller Data Sheet (Rev.C) 08/08/2023

Reliability Data 1

R526 Reliability Data 03/26/2018

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LTC7810ELXE#PBF	48-Lead LQFP (7mm x 7mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC7810HLXE#PBF	48-Lead LQFP (7mm x 7mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC7810HLXE#WPBF	48-Lead LQFP (7mm x 7mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC7810ILXE#PBF	48-Lead LQFP (7mm x 7mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC7810ILXE#WPBF	LQFP 1.4 MM W/ THERMAL PAD	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Apr 6, 2021 - 21_0046 Transfer of LQFP and LQFP_EP from AEM to AET
		PCN21_0046_Form Material_Report Qualification Results Summary Other
LTC7810ELXE#PBF	PRODUCTION
LTC7810HLXE#PBF	PRODUCTION
LTC7810ILXE#PBF	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Hardware Ecosystem

Parts	Product Life Cycle	Description
High Voltage Hot Swap Controllers 1
LTM9100	PRODUCTION	Anyside^™ High Voltage Isolated Switch Controller with I²C Command and Telemetry
Surge Stopper, Overvoltage, and Overcurrent Protection 1
LTC4366	RECOMMENDED FOR NEW DESIGNS	High Voltage Surge Stopper

Tools & Simulations

LTspice 1

LTC7810 - Step-Down (Buck) Regulators

Models for the following parts are available in LTspice:

LTC7810

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

LTC7810ELXE High Input Voltage Dual Output Synchronous Buck Converter

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Product Details

Demonstration circuit 2529A is a dual output synchronous buck converter featuring the LTC7810ELXE in a 48-lead eLQFP package.

Key features of this board include: an optional on-board NMOS LDO for DRVCC; jumper for spread-spectrum option; optional resistors for single output dual phase operation; a mode selector that allows the converter to run in CCM, pulse-skipping, adjustable burst clamp or default Burst Mode^® operation; SYNC turret for Poly-Phase^® operation.

The input voltage range of this demo board is from 16V to 130V and it uses a sense resistor for overcurrent protection. The LTC7810 data sheet gives a complete description of the part, operation and application information and must be read in conjunction with this demo manual for DC2529A.