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See Technical Specifications

LTC3727EUH-1#PBF

High Efficiency, 2-Phase Synchronous Step-Down Switching Regulators

Manufacturer:

Analog Devices, Inc
Mfr.Part #:

LTC3727EUH-1#PBF
Datasheet:

LTC3727EUH-1#PBF Datasheet (PDF)
packingQty:

Tube,73
packingOption:

Tube
tempRange:

-40 to 125C
Output Voltage:

800 mV to 14 V
EDA/CAD Models:

Request Free CAD Models for LTC3727EUH-1#PBF

Email: [email protected]

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Tel: +852 95804164

LTC3727EUH-1#PBF General Description

The LTC3727/LTC3727-1 are high performance dual step-down switching regulator controllers that drive all N-channel synchronous power MOSFET stages. A constant frequency current mode architecture allows phase-lockable frequency of up to 550kHz. Power loss and noise due to the ESR of the input capacitors are minimized by operating the two controller output stages out of phase.

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Key Features

Wide Output Voltage Range:
- 0.8V ≤ V_OUT≤ 14V
Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise
OPTI-LOOP^® Compensation Minimizes C_OUT
±1% Output Voltage Accuracy
Power Good Output Voltage Monitor
Phase-Lockable Fixed Frequency 250kHz to 550kHz
Latched Short-Circuit Shutdown (LTC3727 Only)
Dual N-Channel MOSFET Synchronous Drive
Wide V_IN Range: 4V to 36V Operation
Very Low Dropout Operation: 99% Duty Cycle
Adjustable Soft-Start Current Ramping
Foldback Output Current Limiting
Output Overvoltage Protection
Low Shutdown I_Q: 20µA
Selectable Constant Frequency or Burst Mode^® Operation
Small 28-Lead SSOP Package
LTC3727-1 Also Available in the 5mm × 5mm QFN Package

Application

Telecom Systems
Automotive Systems
Battery-Operated Digital Devices

Specifications

model	LTC3727EUH-1#PBF	packingQty	Tube,73
packingOption	Tube	lifeCycle	production
tempRange	-40 to 125C	Product Category	Switching Voltage Regulators
Output Voltage	800 mV to 14 V	Output Current	25 A
Input Voltage, Max	36 V	Number of Outputs	2 Output
Topology	Buck	Mounting Style	SMD/SMT
Switching Frequency	550 kHz	Quiescent Current	20 uA
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 85 C
Series	LTC3727-1	Input Voltage, Min	4 V
Input Voltage	15 V	Operating Supply Current	670 uA
Product Type	Switching Voltage Regulators	Shutdown	Shutdown
Factory Pack Quantity	73	Subcategory	PMIC - Power Management ICs
Type	2-Phase Synchronous Step-Down Switching Regulator Controller	Unit Weight	0.002347 oz