IR35203 datasheet(10/56 Pages) IRF

Part #	IR35203

Description	61 Dual Output Digital Multi-Phase Controller

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Manufacturer	IRF [International Rectifier]

Direct Link	http://www.irf.com

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6+1 Dual Output Digital Multi-Phase Controller

IR35203

February 8, 2016 | V1.5

10

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Output Low Voltage

4mA

-

0.3

V

Output Leakage

Vpad = 0 to 3.6V

-

±5

µA

Open-Drain Outputs – 20mA Drive

VR_HOT_ICRIT#, SV_DIO, SV_ALERT#, PIN_ALERT#

Output Low Voltage

1

I = 20mA

-

0.26

V

On Resistance

1

I = 20mA

7

9

13

Ω

Tri-State Leakage

Ileak

Vpad = 0 to 3.6V

-

±5

µA

PWM I/O

PWMx

Output Low Voltage (Tri-state mode)

I = -4mA

-

0.4

V

Output High Voltage (Tri-State mode)

I =+4mA

2.9

-

V

Tri-State Leakage

loop_x_pwm_en_ats = 0,

Vpad = 0 to Vcc

-

±1

µA

PWM Auto-Detect Inputs (when 3.3V Vcc is applied) – if enabled

Input Voltage High

0.7

-

V

Input Voltage Low

-

0.35

V

I2C/PMBus & Reporting

Bus Speed

1

Normal

-

100

-

kHz

Fast

-

400

-

kHz

Maximum

-

1000

-

kHz

Iout , Vout , Iin, Vin, Pin and Temperature

Filter Rate

1

Selectable

(Selected Frequency applies

to all parameters)

-

0.69, 1.39,

2.78, 5.55,

11.1, 22.2,

44.6, 89.5

-

Hz

Iout Update Rate

1

-

250

-

kHz

Vout Update Rate

1

-

35.7

-

kHz

Vin & Temperature Update Rate

1

-

35.7

-

kHz

Vin Range Reporting

1

With 14:1 divider

-

0 to 13.2

-

V

Vin Accuracy Reporting

With 1% resistors

-2

-

+2

%

Vin Resolution Reporting -PMBUS

1

-

31.25

-

mV

Vin Resolution Reporting –I2C

1

-

125

-

mV

Vout Range Reporting

1

-

4

V

Vout Accuracy Reporting

1

No load-line

±0.5

%

Vout Resolution Reporting-PMBUS

1

Vout < 2V

-

1.95

-

mV

Vout Resolution Reporting-I2C

1

Vout < 4V

-

15.6

-

mV

Iout Per Phase Range Reporting

1

0

-

62

A

Iout Accuracy Reporting

1

Maximum load, all phase

active (based on DCR,

NTC and # active phases)

-

±2

-

%

Loop1 Iout Resolution Reporting-PMBUS

1

*0.5A if >255.75A

-

0.25*

-

A

Loop2 Iout Resolution Reporting-PMBUS

1

-

0.25

-

A

Loop1 Iout Resolution Reporting-I2C

1

-

1

-

A

Loop2 Iout Resolution Reporting-I2C

1

-

0.5

-

A

Loop1 Iin Resolution Reporting-PMBUS

1

-

31.25

-

mA

Loop2 Iin Resolution Reporting-PMBUS

1

-

31.25

-

mA

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