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CX8508

Core Micro Technology
Part Number CX8508
Manufacturer Core Micro Technology
Description Monolithic synchronous buck regulator
Published Oct 15, 2015
Detailed Description DESCRIPTION The CX8508 is a monolithic synchronous buck regulator. The device integrates 100mΩ MOSFETS that provide 2A c...
Datasheet PDF File CX8508 PDF File

CX8508
CX8508

Overview
DESCRIPTION The CX8508 is a monolithic synchronous buck regulator.
The device integrates 100mΩ MOSFETS that provide 2A continuous load current over a wide operating input voltage of 4.
75V to 25V.
Current mode control provides fast transient response and cycle-by-cycle current limit.
An adjustable soft-start prevents inrush current at turn-on.
In shutdown mode, the supply current drops below 1 μA.
This device, available in an 8-pin SOIC package, provides a very compact system solution with minimal reliance on external components.
FEATURES z 2A Output Current z Wide 4.
75V to 25V Operating Input Range z Integrated 100mΩ Power MOSFET Switches z Output Adjustable from 0.
925V to 20V z Up to 95% Efficiency z Programmable Soft-Start z Stable with Low ESR Ceramic Output Capaci- tors z Fixed 400KHz Frequency z Cycle-by-Cycle Over Current Protection z Input Under Voltage Lockout z Thermally Enhanced 8-Pin SOIC Package APPLICATIONS z Distributed Power Systems z Networking Systems z Set-top Box z LCD TV/Monitor z Notebook or Mini-Book PACKAGE REFERENCE Part number CX8508 Package SOP8 Temperature –20° C to +85° C ABSOLUTE MAXIMUM RATINGS (1) Supply Voltage (VIN) .
.
.
-0.
3V to 26V Switch Voltage (VSW) .
.
.
.
–1V to VIN + 0.
3V Bootstrap Voltage (VBS) .
.
.
Vsw-0.
3V to VSW + 6V Enable/UVLO Voltage (VEN) .
.
–0.
3V to +6V Comp Voltage (VCOMP) .
–0.
3V to +6V Feedback Voltage (VFB) .
.
.
–0.
3V to +6V Junction Temperature .
.
+150°C Lead Temperature .
.
.
+260°C Storage Temperature –55°C to + 150°C Recommended Operating Conditions(2) Input Voltage (VIN) .
.
.
4.
75V to 25V Output Voltage (VSW) .
0.
925 to 20V Operating Temperature .
.
.
.
–20°C to +85°C Thermal Resistance(3) θJA θJC SOIC8N .
.
50.
.
.
.
10.
.
.
°C/W Notes: 1) Exceeding these ratings may damage the device.
2)...


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