IR3846 Ver la hoja de datos (PDF) - International Rectifier

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componentes Descripción

Fabricante

IR3846

Single-Input Voltage, Synchronous Buck Regulator 35A Highly Integrated SupIRBuck®

International Rectifier 

IR3846

PARAMETER

Error Amplifier

SYMBOL

Input Offset Voltage

Vos_Vref

Vos_Vp

Input Bias Current

IFb(E/A)

Input Bias Current

IVp(E/A)

Sink Current

Isink(E/A)

Source Current

Isource(E/A)

Slew Rate

SR

Gain-Bandwidth Product

GBWP

DC Gain

Gain

Maximum Output

Voltage

Vmax(E/A)

Minimum Output Voltage

Vmin(E/A)

Common Mode Voltage

Vcm_Vp

Margining Range

Vmarg_Vref

Remote Sense Differential Amplifier

Unity Gain Bandwidth

BW_RS

DC Gain

Gain_RS

Offset Voltage

Offset_RS

Source Current

Sink Current

Slew Rate

RS+ input impedance

RS- input impedance

Maximum Voltage

Minimum Voltage

Internal Digital Soft Start

Soft Start Clock

Soft Start Ramp Rate

S_CTRL Threshold

Bootstrap Diode

Forward Voltage

Isource_RS

Isink_RS

Slew_RS

Rin_RS+

Rin_RS-

Vmax_RS

Min_RS

Clk_SS

Ramp(SS_Start)

High

Low

CONDITIONS

MIN TYP MAX UNIT

VFb – Vref, Vref =

0.6V

VFb – Vp, Vp = 0.6V

Note 4

Note 4

Note 4

Note 4

Note 4

-1.5

+1.5

%

Vref

-1.5

+1.5 %Vp

-0.5

+0.5 µA

0

4

µA

0.4 0.85 1.2

mA

4

7.5 11

mA

7

12

20

V/µs

20

30 40 MHz

100 110 120

dB

1.7

2

2.3

V

100 mV

0

1.2

V

0.4

1.2

V

Note 4

3

6.4

9

MHz

Note 4

110

dB

Vref=0.6V,

0°C < Tj < 85°C

-1.5

0

1.5

mV

Vref=0.6V,

-40°C < Tj < 125°C

-2

2

mV

3

13 20

mA

0.4

1

2

mA

Note 4, Cload = 100pF 2

4

8

V/µs

45

63 85 kohm

Note 4

63

kohm

V(VCC) – V(RSo)

0.5

1

1.5

V

50

mV

Note 4

Note 4

180 200 220 kHz

0.3

0.4 0.5

mV /

µs

2.4

V

0.6

V

I(Boot) = 30mA

360 520 960 mV

8 www.irf.com © 2013 International Rectifier

August 01, 2013

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