IR36021MTRPbF datasheet(11/41 Pages) IRF

Part #	IR36021MTRPbF

Description	DIGITAL POL BUCK CONTROLLER with I2C AND PMBus Interface

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Manufacturer	IRF [International Rectifier]

Direct Link	http://www.irf.com

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11 / 41 page

IR36021

DIGITAL POL BUCK CONTROLLER with I2C AND PMBus

Interface

February 27, 2013 | Rev 3.5

11

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

PWM Frequency Range

1

200‐2000

kHz

PWM frequency step size

1

0.83‐83

kHz

PWM resolution

1

160

ps

NTC Temperature Sense

TSEN1

Output Current

For TSEN = 0 to 1.2V

96

100

104

µA

Accuracy

1

at 100°C (ideal NTC)

96

104

°C

Digital Inputs – Low Vth

Type 1

EN, VR_HOT

(during PoR)

Input High Voltage

0.7

‐

V

Input Low Voltage

‐

0.35

V

Input Leakage Current

Vpad = 0 to 2V ‐

‐

±5

µA

Digital inputs ‐ LVTTL

SM_DIO,

SM_CLK,

ADDR_PROT

Input voltage high

2.1

V

Input voltage low

0.8

V

Input leakage

Vpad=0 to 3.6V

±1

µA

Remote voltage sense inputs

VSEN, VRTN,

VSEN_L2,

VRTN_L2

VSENx Input current

Vout = 0.5V to 1.5V

‐250 to +250

uA

VRTNx Input current

‐500

uA

Differential Input voltage

range

1

VRTN= ±100mV

0 to 2.6

V

VRTN Input CM voltage

1

‐100 to 100

mV

Remote current sense inputs

ISEN/IRTNx

Voltage range

1

‐0.1 to 2.7

V

Analog Address/Level Inputs

ADDR_PROT

16 levels

Output Current

1

Vpad = 0 to 1.2V

96

100

104

µA

Open‐Drain outputs ‐ 4mA

drive

PGood1,

PGood2,

SM_DIO,

SM_ALERT

Output low voltage

4mA

0.3

V

Output leakage

Vpad=0 to 3.6V

±5

µA

Open‐Drain outputs ‐ 20mA

drive

VRHOT_ICRIT#

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

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IR36021MTRPbF Datasheet(PDF) 11 Page - International Rectifier

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