MFG:Microsemi-IPG Category:Integrated Circuits (ICs) Package Cooled:SOP14 D/C:98+
LX1662ACD, LX1663, LX1663ACD Datasheet download
Category: Integrated Circuits (ICs)
MFG: Microsemi-IPG
Package Cooled: SOP14
D/C: 98+
Description: IC PWM PROG SGL 5BIT DAC 16SOIC
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PDF/DataSheet Download
Datasheet: LX1662ACD
File Size: 315848 KB
Manufacturer: MICROSEMI [Microsemi Corporation]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: LX1663
File Size: 315848 KB
Manufacturer: MICROSEMI [Microsemi Corporation]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: LX1663ACD
File Size: 315848 KB
Manufacturer: MICROSEMI [Microsemi Corporation]
Download : Click here to Download
| Technical/Catalog Information | LX1662ACD |
| Vendor | Microsemi-IPG |
| Category | Integrated Circuits (ICs) |
| Package / Case | * |
| Packaging | * |
| Type | * |
| Voltage - Input | 10.8 ~ 13.2 V |
| Voltage - Output | 1.8 ~ 2.8 V |
| Number of Outputs | 1 |
| Applications | Controller, Intel Pentium? II |
| Operating Temperature | 0°C ~ 70°C |
| Drawing Number | * |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | LX1662ACD LX1662ACD |
The LX1662/62A and LX1663/63A are Monolithic Switching Regulator Controller IC's designed to provide a low cost, high performance adjustable power supply for advanced microprocessors and other applications requiring a very fast transient response and a high degree of accuracy. Short-Circuit Current Limiting without Expensive Current Sense Resistors. Current-sensing mechanism can use PCB trace resistance or the parasitic resistance of
the main inductor. The LX1662A and LX1663A have reduced current sense comparator threshold for optimum performance using a PCB trace. For applications requiring a high degree of accuracy, a conventional sense resistor can be used to sense current.
Programmable Synchronous Rectifier Driver for CPU Core. The main output is adjustable from 1.3V to 3.5V using a 5-bit code. The IC can read a VID signal set by a DIP switch on the motherboard, or hardwired into the processor's package (as in the case of Pentium® Pro and Pentium II processors). The 5-bit code adjusts the output voltage between 1.30 and 2.05V in 50mV increments and between 2.0 and 3.5V in 100mV increments, conforming to the Intel Corporation specification. The device can drive dual MOSFET's resulting in typical efficiencies of 85 - 90% even with loads in excess of 10 amperes. For cost sensitive applications, the bottom MOSFET can be replaced with a Schottky diode (non-synchronous operation).
Smallest Package Size. The LX1662 is available in a narrow body 14-pin surface mount IC package for space sensitive applications.
The LX1663 provides the additional functions of Over Voltage Protection (OVP) and Power Good (PWRGD) output drives for applications requiring output voltage monitoring and protection functions.
Ultra-Fast Transient Response Reduces System Cost. The modulated offtime architecture results in the fastest transient response for a given inductor, reducingoutput capacitor requirements, and reducing the total regulator system cost. Over-Voltage Protection and Power Good Flag. The OVP output in the LX1663 & LX1663A can be used to drive an SCR crowbar circuit to protect the load in the event of a short-circuit of the main MOSFET.
The LX1663 & LX1663A also have a logiclevel Power Good Flag to signal when the output voltage is out of specified limits.
Supply Voltage (VC1) ...........................................................................................25V
Supply Voltage (VCC) ...........................................................................................15V
Output Drive Peak Current Source (500ns)............................................................1.5A
Output Drive Peak Current Sink (500ns) ...............................................................1.5A
Input Voltage (SS, INV, VCC_CORE, CT, VID0-VID4) .................................. -0.3V to 6V
Operating Junction Temperature
Plastic (N & D Packages) .....................................................................................150
Storage Temperature Range ............................................................... -65 to +150
Lead Temperature (Soldering, 10 Seconds) ..........................................................300
Note 1. Exceeding these ratings could cause damage to the device. All voltages are with respect to Ground. Currents are positive into, negative out of the specified terminal. Pin numbers refer to DIL packages only.
| Technical/Catalog Information | LX1663ACD |
| Vendor | Microsemi-IPG |
| Category | Integrated Circuits (ICs) |
| PWM Type | Current Mode |
| Number of Outputs | 1 |
| Package / Case | 16-SOIC |
| Packaging | Tube |
| Duty Cycle | - |
| Voltage - Supply | 10.8 V ~ 13.2 V |
| Frequency-Max | 200kHz |
| Buck | No |
| Boost | No |
| Flyback | No |
| Inverting | No |
| Doubler | Yes |
| Divider | No |
| Cuk | No |
| Isolated | No |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | LX1663ACD LX1663ACD |
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