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W83301DR-0, W83301GR, W83301R

Table of contents:
Info of W83301DR-0
Info of W83301GR
Info of W83301R

W83301DR-0, W83301GR, W83301R Selling Leads, Datasheet

MFG:Winbond Package Cooled:TSSOP/24 D/C:04+

W83301DR-0, W83301GR, W83301R Datasheet download

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Part Number: W83301DR-0

MFG: Winbond

Package Cooled: TSSOP/24

D/C: 04+

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W83301R General Description

The W83301R is an ACPI-compliant controller for microprocessor and other computer applications. In substance, the part can mainly operate in alternative configurations mode A and B mode A provides a switch controller to generate a 5VDL voltage from ATX power supply, a linear controller STR1 (2.5V_DUAL), and a bus termination controller 1.25 V_DUAL for high speed bus such as RDRAM/DDRAM current sinking and sourcing; and mode B provides a switch controller to generate a 5VDL voltage from ATX power supply and three linear controllers for specific voltage regulations that is STR1 (2.5V_DUAL), STR2 (3.3V_DUAL) and STR3 (1.8 V_DUAL), all of the outputs can simply configured by V_SET0, V_SET1. Besides, the W83301R also can provide extra voltage up to 0.2V in each regulator output for more performance. In order to reduce the customer's cost, and simplify the circuit design, the W83301R integrates a charge-pump engine into the chip to provide higher driving voltage for single N-channel MOSFETs, that is the W83301R, can drive only N-channel MOSFETs for all applications. In the other hand, the W83301R also offer PWOK and over current detection to protect each output and soft-start protects all linear controllers from rush current attack. The W83301R is available in a 20-pin SOP package.

W83301R Maximum Ratings

Symbol	Parameter	Rating
Vss, Vcc	Voltage on any pin with respect to GND	- 0.5 V to + 7.0 V
ChrPmp		- 0.5 V to + 12.0 V
Hi-V Pins	Pin# 1,2,3,4,8,15,16,18,19,20	GND-0.3 V to V_Chr-Pmp + 0.3V
Lo-V Pins	Pin# 7,10,11,12,13,14,17	GND-0.3 V to Vcc + 0.3V
TSTG	Storage Temperature	- 65°C to + 150°C
TB	Ambient Temperature	- 55°C to + 125°C
TA	Operating Temperature	0°C to + 70°C

W83301R Features

Provides alternative configurations for flexible applications
Mode A
Provide a switch controller to generate 5V_DUAL
Linear controller STR12.5V_DUAL (RDRAM/DDRAM application)
Bus termination controller 1.25V_DUAL for high speed bus termination application to sinking and sourcing redundant current
Mode B
Provide a switch controller to generate 5V_DUAL
Linear controller STR1 2.5V_DUAL (Clock Gen. Application)
Linear controller STR3 1.8V_DUAL (Chipset Application)
Provide a switch to enable/disable 5VDL output in S5 state via 5V_DLEN pin for USB application
Supports SDRAM/RDRAM/DDRAM ACPI-STR Functions
Drives all N-Channel MOSFETs
Power-Up Softstart for all controllers
Up to 0.2V incremental voltage on STR1/STR2 for over-clock application.
Under-Voltage Fault Monitor
Soft-Start function
20-Pin SOP Package

W83301R Connection Diagram

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