SC1153SW, SC1154, SC1154CW Selling Leads, Datasheet
MFG:SC Package Cooled:SOP8 D/C:08/09+
SC1153SW, SC1154, SC1154CW Datasheet download
Part Number: SC1153SW
MFG: SC
Package Cooled: SOP8
D/C: 08/09+
SC1153SW, SC1154, SC1154CW
- Table of contents:
Info of SC1153SW
Info of SC1154
Info of SC1154CW
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About SC100
PDF/DataSheet Download
Datasheet: SC100
File Size: 2737062 KB
Manufacturer: Motorola, Inc
Download : Click here to Download
About SC1154
PDF/DataSheet Download
Datasheet: SC1154
File Size: 168129 KB
Manufacturer: SEMTECH [Semtech Corporation]
Download : Click here to Download
About SC100
PDF/DataSheet Download
Datasheet: SC100
File Size: 2737062 KB
Manufacturer: Motorola, Inc
Download : Click here to Download
SC1154 General Description
The SC1154 is a synchronous-buck switch-mode controller designed for use in single ended power supply applications where efficiency is the primary concern. The controller is a hysteretic type, with a user selectable hysteresis. The SC1154 is ideal for implementing DC/DC converters needed to power advanced microprocessors such as Pentium® ll, in both single and multiple processor configurations. Inhibit, undervoltage lockout and soft-start functions are included for controlled power-up.
SC1154 features include an integrated 5 bit D/A converter, temperature compensated voltage reference, current limit comparator, over-current protection, and an adaptive deadtime circuit to prevent shoot-through of the power MOSFET during switching transitions. Power good signaling, logic compatible shutdown, and over-voltage protection are also provided. The integrated D/A converter provides programmability of output voltage from 2.0V to 3.5V in 100mV increments and 1.3V to 2.05V in 50mV increments with no external components.
The SC1154 high side driver can be configured as either a grounded reference or as a floating bootstrap driver. High and low side drivers have a peak current rating of 2 amps.
SC1154 Maximum Ratings
| Parameter | Symbol | Maximum | Units |
| VIN12V | VINMAX | 14 | V |
| BOOT to DRVGND | 25 | V | |
| BOOT to BOOTLO | 15 | V | |
| Digital Inputs | -0.3 to +7.3 | V | |
| AGND to DRVGND | + 0.5V | V | |
| LOHIB to AGND | 14 | V | |
| LOSENSE to AGND | 14 | V | |
| IOUTLO to AGND | 14 | V | |
| HISENSE to AGND | 14 | V | |
| VSENSE to AGND | 5 | V | |
| Continuous Power Dissipation, TA = 25°C | PD | 1.2 | W |
| Continuous Power Dissipation, TC = 25°C | PD | 6.25 | W |
| Operating Junction Temperature | TJ | 0 to +125 | °C |
| Lead Temperature (Soldering) 10 seconds | TL | 300 | °C |
| Storage Temperature | TSTG | -65 to 150 | °C |
SC1154 Features
• Programmable hysteresis
• 5 bit DAC programmable output (1.3V-3.5V)
• On-chip power good and OVP functions
• Designed to meet latest Intel specifications
• Up to 95% efficiency
• + 1% tolerance over temperature
SC1154 Typical Application
• Server Systems and Workstations
• Pentium® II Core Supply
• Multiple Microprocessor Supplies
• Voltage Regulator Modules
SC1154 Connection Diagram
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