ISL95870BIRZ - Intersil

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ISL95870BIRZ
Manufacturer

Intersil
ChipWorker Part#

CW44774500
Category

Voltage Regulator
Package

QFN-20
Description

Switching Controllers 0/2Bit PWM GPU CONTLR FOR NOTEBOOK
Documentation

Datasheet

ISL95870BIRZ Global Supplier

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ISL95870BIRZ Specifications

Attribute	Attribute Value

Part Number	ISL95870BIRZ
Manufacturer	Intersil
ChipWorker Part#	CW44774500
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	QFN-20
Number of Outputs	1 Output
Output Voltage	0.5V ~ 5V
Input Voltage (Max)	25 V
Input Voltage (Min)	3.3 V
Operating Temperature (Max)	100 ℃
Operating Temperature (Min)	40 ℃
Input Voltage	3.3V ~ 25V
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Operating Temperature	-40℃ ~ 100℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

PWM DC/DC Controller with VID Inputs for Portable GPU Core-Voltage Regulator
The ISL95870, ISL95870A, ISL95870B ICs are Single-Phase Synchronous-Buck PWM regulators
featuring Intersil’s proprietary R4 Technology™. The wide 3.3V to 25V input voltage range is ideal for systems that run on battery or AC-adapter power sources.
Features
• Input Voltage Range: 3.3V to 25V
• Output Voltage Range: 0.5V to 5V
• Precision Regulation
\- Proprietary R4™ Frequency Control Loop
\- ±0.5% System Accuracy Over -10°C to +100°C
• Optimal Transient Response
\- Intersil’s R4™ Modulator Technology
• Output Remote Sense
• Extremely Flexible Output Voltage Programmability
\- 2-Bit VID Selects Four Independent Setpoint Voltages for ISL95870B
\- 2-Bit VID Selects Four Dependent or Three Independent Setpoint Voltages for ISL95870A
\- Simple Resistor Programming of Setpoint Voltages
• Selectable 300kHz, 500kHz, 600kHz or 1MHz PWM Frequency in Continuous Conduction
• Automatic Diode Emulation Mode for Highest Efficiency
• Power-Good Monitor for Soft-Start and Fault Detection
Applications(see page 26)
• Mobile PC Graphical Processing Unit VCC Rail
• Mobile PC I/O Controller Hub (ICH) VCC Rail
• Mobile PC Memory Controller Hub (GMCH) VCC Rail

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Ordering Information

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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
- Income quality control (IQC), 800+ qualified distributors.
- Authorities test the chip to ensure the quality, authenticity and safety of your device.
- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing

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