LTC3857EGN-1#TRPBF vs LTC3857IGN-1#TRPBF

Specifications
LTC3857EGN-1#TRPBF
LTC3857IGN-1#TRPBF
Part Number

LTC3857EGN-1#TRPBF

LTC3857IGN-1#TRPBF

Brand Analog Devices Inc. Analog Devices Inc.
Description High-Efficiency Power Management Solution DC/DC Cntrlr Dual-OUT Step Down 900kHz 28-Pin SSOP N T/R
Series LTC3857-1 LTC3857-1
Product Status Active Active
Output Type Transistor Driver Transistor Driver
Function Step-Down Step-Down
Output Configuration Positive Positive
Topology Buck Buck
Voltage - Supply (Vcc/Vdd) 4V ~ 38V 4V ~ 38V
Frequency - Switching 105kHz ~ 835kHz, 350kHz ~ 535kHz 105kHz ~ 835kHz, 350kHz ~ 535kHz
Duty Cycle (Max) 99.4% 99.4%
Synchronous Rectifier Yes Yes
Clock Sync No No
Control Features Enable, Frequency Control, Power Good, Soft Start, Tracking Enable, Frequency Control, Power Good, Soft Start, Tracking
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount
Package / Case SSOP-28 SSOP-28
Supplier Device Package 28-SSOP 28-SSOP
Base Product Number LTC3857 LTC3857
Manufacturer Analog Devices Inc. Analog Devices Inc.
Product Category Switching Voltage Regulators Switching Voltage Regulators
RoHS Details Details
Output Voltage 800 mV to 24 V 800 mV to 24 V
Output Current 25 A 25 A
Input Voltage, Max 38 V 38 V
Number of Outputs 2 Output 2 Output
Mounting Style SMD/SMT SMD/SMT
Switching Frequency 75 kHz to 850 kHz 75 kHz to 850 kHz
Minimum Operating Temperature - 40 C - 40 C
Maximum Operating Temperature + 125 C + 125 C
Input Voltage, Min 4 V 4 V
Development Kit DC1352A-A DC1352A-A
Height 1.75 mm 1.75 mm
Input Voltage 4 V to 38 V 4 V to 38 V
Load Regulation 0.01 % 0.01 %
Operating Supply Current 50 uA 50 uA
Product Type Switching Voltage Regulators Switching Voltage Regulators
Shutdown Shutdown Shutdown
Factory Pack Quantity 2500 2500
Subcategory PMIC - Power Management ICs PMIC - Power Management ICs
Type Step-Down Controller Step-Down Controller

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