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SY7152

Silergy
Part Number SY7152
Manufacturer Silergy
Description High Efficiency 1MHz 2A Step-Up Regulator
Published Jan 9, 2016
Detailed Description SY7152 High Efficiency 1MHz, 2A Step Up Regulator Preliminary Specification General Description The SY7152 is a high ef...
Datasheet PDF File SY7152 PDF File

SY7152
SY7152


Overview
SY7152 High Efficiency 1MHz, 2A Step Up Regulator Preliminary Specification General Description The SY7152 is a high efficiency boost regulator targeted for general step-up applications.
Ordering Information SY7152 □(□□)□ Temperature Code Package Code Optional Spec Code Temperature Range: -40°C to 85°C Ordering Number SY7152ABC Package type SOT23-6 Note 2A Features • Wide input range: 3-8V bias input, 16Vout max • 1MHz switching frequency • Minimum on time: 100ns typical • Minimum off time: 100ns typical • Low RDS(ON): 150mΩ • RoHS Compliant and Halogen Free • Accurate Reference: 0.
6VREF • Compact package: SOT23-6 Applications • WLED Drivers • Networking cards powered from PCI or PCI- express slots Typical Applications L VIN CIN IN LX GND EN FB R1 R2 Figure 1.
Schematic Diagram VOUT COUT Figure 2.
Efficiency vs Load Current SY7152 Rev.
0.
1 Silergy Corp.
Confidential- Prepared for Customer Use Only 1 Pinout (top view) SY7152 （SOT23-6） Top Mark: LExyz (Device code: LE, x=year code, y=week code, z= lot number code) Pin Name IN GND LX FB EN Pin Number 5 2 1 3 4 Pin Description Input pin.
Decouple this pin to GND pin with 1uF ceramic cap.
Ground pin Inductor node.
Connect an inductor between IN pin and LX pin.
Feedback pin.
Connect a resistor R1 between VOUT and FB, and a resistor R2 between FB and GND to program the output voltage: VOUT=0.
6V*(R1/R2+1).
Enable control.
High to turn on the part.
Don’t leave it floated.
NC 6 No connection.
Absolute Maximum Ratings (Note 1) LX, IN, EN ----------------------------------------------------------------------------------------------------------------------- 18V All other pins-------------------------- -------------------------------------------------------------------------------------------- 4V Power Dissipation, PD @ TA = 25°C SOT23-6 ----------------------------------------------------------------------------- 0.
6W Package Thermal Resistance (Note 2) θ JA -------------------------------------------...


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