ISL95831IRTZ datasheet, PDF - EEWORLD Datasheet

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ISL95831IRTZ: Description3+1 Voltage Regulator for IMVP-7/VR12™ CPUs; TQFN48; Temp Range: See Datasheet; CategoryPower/power management The power supply circuit; File Size191KB，2 Pages; ManufacturerRenesas Electronics Corporation; Websitehttps://www.renesas.com/

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ISL95831IRTZ Overview

3+1 Voltage Regulator for IMVP-7/VR12™ CPUs; TQFN48; Temp Range: See Datasheet

ISL95831IRTZ Parametric

Parameter Name	Attribute value
Brand Name	Intersil
Maker	Renesas Electronics Corporation
Parts packaging code	TQFN
package instruction	HVQCCN, LCC48,.24SQ,16
Contacts	48
Reach Compliance Code	compliant
ECCN code	EAR99
Factory Lead Time	7 weeks
Other features	PWM CONTROL TECHNIQUE ALSO POSSIBLE
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER
control mode	CURRENT-MODE
Control Technology	HYSTERETIC CURRENT MODE
Maximum input voltage	5.25 V
Minimum input voltage	4.75 V
Nominal input voltage	5 V
JESD-30 code	S-PQCC-N48
JESD-609 code	e3
length	6 mm
Humidity sensitivity level	3
Number of functions	1
Number of terminals	48
Maximum operating temperature	100 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	HVQCCN
Encapsulate equivalent code	LCC48,.24SQ,16
Package shape	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	260
power supply	5 V
Certification status	Not Qualified
Maximum seat height	0.8 mm
Maximum supply current (Isup)	10.5 mA
Nominal supply voltage (Vsup)	5 V
surface mount	YES
Switch configuration	PUSH-PULL
Maximum switching frequency	500 kHz
Temperature level	INDUSTRIAL
Terminal surface	Matte Tin (Sn) - annealed
Terminal form	NO LEAD
Terminal pitch	0.4 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	30
width	6 mm
Base Number Matches	1

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ISL95831

3+1 Voltage Regulator for IMVP-7/VR12™ CPUs

Compliant with IMVP-7/VR12™, the ISL95831 provides a

complete solution for microprocessor and graphic processor

core power supply. It provides two Voltage Regulators (VRs)

with three integrated gate drivers. The first VR can be

configured as 3-, 2- or 1-phase VR while the second output is

1-phase VR, providing maximum flexibility. The two VRs share

the serial control bus to communicate with the CPU and achieve

lower cost and smaller board area compared with the two-chip

approach.

Based on Intersil’s Robust Ripple Regulator (R3) technology™,

the PWM modulator compared to traditional modulators, has

faster transient settling time, variable switching frequency

during load transients and has improved light load efficiency

with it’s ability to automatically change switching frequency.

The ISL95831 has several other key features. Both outputs

support DCR current sensing with single NTC thermistor for

DCR temperature compensation or accurate resistor current

sensing. Both outputs come with remote voltage sense,

programmable V

BOOT

voltage, programmable I

MAX

, T

MAX

adjustable switching frequency, OC protection and separate

Power-Good.

FN7613

Rev 1.00

December 22, 2011

Features

• Serial Data Bus

• Dual Outputs:

- Configurable 3-, 2- or 1-phase for the 1st Output using 2

integrated Gate Drivers

- 1-phase for the 2nd Output using an Integrated Gate

Driver

• 0.5% System Accuracy Over-Temperature

• Supports Multiple Current Sensing Methods

- Lossless Inductor DCR Current Sensing

- Precision Resistor Current Sensing

• Differential Remote Voltage Sensing

• Programmable V

BOOT

Voltage at Start-up

• Resistor Programmable I

MAX

, T

MAX

for Both Outputs

• Adaptive Body Diode Conduction Time Reduction

Applications

• IMVP-7/VR12 Compliant Computers

0.91

0.90

0.89

0.88

OUT

(V)

0.87

0.86

0.85

0.84

0.83

0.82

0.81

0.80

= 19V

= 12V

= 8V

30 36

OUT

(A)

FIGURE 1. LOAD LINE REGULATION

FN7613 Rev 1.00

December 22, 2011

Page 1 of 2

ISL95831IRTZ Related Products

	ISL95831IRTZ	ISL95831HRTZ-T	ISL95831HRTZ
Description	3+1 Voltage Regulator for IMVP-7/VR12™ CPUs; TQFN48; Temp Range: See Datasheet	3+1 Voltage Regulator for IMVP-7/VR12™ CPUs; TQFN48; Temp Range: See Datasheet	3+1 Voltage Regulator for IMVP-7/VR12™ CPUs; TQFN48; Temp Range: See Datasheet
Brand Name	Intersil	Intersil	Intersil
Maker	Renesas Electronics Corporation	Renesas Electronics Corporation	Renesas Electronics Corporation
Parts packaging code	TQFN	TQFN	TQFN
package instruction	HVQCCN, LCC48,.24SQ,16	HVQCCN, LCC48,.24SQ,16	HVQCCN, LCC48,.24SQ,16
Contacts	48	48	48
Reach Compliance Code	compliant	compliant	compliant
ECCN code	EAR99	EAR99	EAR99
Factory Lead Time	7 weeks	7 weeks	7 weeks
Other features	PWM CONTROL TECHNIQUE ALSO POSSIBLE	PWM CONTROL TECHNIQUE ALSO POSSIBLE	PWM CONTROL TECHNIQUE ALSO POSSIBLE
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER
control mode	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE
Control Technology	HYSTERETIC CURRENT MODE	HYSTERETIC CURRENT MODE	HYSTERETIC CURRENT MODE
Maximum input voltage	5.25 V	5.25 V	5.25 V
Minimum input voltage	4.75 V	4.75 V	4.75 V
Nominal input voltage	5 V	5 V	5 V
JESD-30 code	S-PQCC-N48	S-PQCC-N48	S-PQCC-N48
JESD-609 code	e3	e3	e3
length	6 mm	6 mm	6 mm
Humidity sensitivity level	3	3	3
Number of functions	1	1	1
Number of terminals	48	48	48
Maximum operating temperature	100 °C	100 °C	100 °C
Minimum operating temperature	-40 °C	-10 °C	-10 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	HVQCCN	HVQCCN	HVQCCN
Encapsulate equivalent code	LCC48,.24SQ,16	LCC48,.24SQ,16	LCC48,.24SQ,16
Package shape	SQUARE	SQUARE	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	260	260	260
power supply	5 V	5 V	5 V
Certification status	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	0.8 mm	0.8 mm	0.8 mm
Maximum supply current (Isup)	10.5 mA	10.5 mA	10.5 mA
Nominal supply voltage (Vsup)	5 V	5 V	5 V
surface mount	YES	YES	YES
Switch configuration	PUSH-PULL	PUSH-PULL	PUSH-PULL
Maximum switching frequency	500 kHz	500 kHz	500 kHz
Temperature level	INDUSTRIAL	OTHER	OTHER
Terminal surface	Matte Tin (Sn) - annealed	Matte Tin (Sn) - annealed	Matte Tin (Sn) - annealed
Terminal form	NO LEAD	NO LEAD	NO LEAD
Terminal pitch	0.4 mm	0.4 mm	0.4 mm
Terminal location	QUAD	QUAD	QUAD
Maximum time at peak reflow temperature	30	30	30
width	6 mm	6 mm	6 mm
Base Number Matches	1	1	1

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