IR3622MPBF Ver la hoja de datos (PDF) - International Rectifier

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Fabricante

IR3622MPBF

HIGH FREQUENCY 2-PHASE, SINGLE OR DUAL OUTPUT SYNCHRONOUS STEP DOWN CONTROLLER WITH OUTPUT TRACKING AND SEQUENCING

International Rectifier 

IR3622MPbF

Recommended Operating Conditions

Symbol

Definition

Min

Max

Units

Vcc, VcL

Supply Voltage

7.5

14.5

V

VcH1, VcH2 Supply Voltage

Converter Voltage + 5V

28

V

Fs

Operating frequency

Tj

Junction temperature

200

600

kHz

-40

125

oC

Electrical Specifications

Unless otherwise specified, these specification apply over Vcc=VcL=VcH1=VcH2=12V, 0oC<Tj<105oC

Parameter

SYM

Test Condition

Min

TYP MAX

Units

Output Voltage Accuracy

FB1,2 Voltage

VFB

Accuracy

Vp1=Vp2=Vref=0.8V

0oC <Tj< 125oC

0.8

V

-1

+1

%

Supply Current

VCC Supply Current

(Static)

VCC Supply Current

(Dynamic)

VCL Supply Current

(Static)

VCL Supply Current

(Dynamic)

VCH1,2 Supply Current

(Static)

VCH1,2 Supply Current

(Dynamic)

ICC (Static)

ICC (Dynamic)

ICL (Static)

ICL (Dynamic)

ICH (Static)

ICH (Dynamic

Under Voltage Lockout, Enable

VCC-Start Threshold

VCC-Stop Threshold

VCC-Hysteresis

VCH1,2-Start Threshold

VCH1,2-Stop Threshold

VCH1,2-Hysteresis

Enable-Threshold

VCC_UVLO(R)

VCC_UVLO(F)

VCH_UVLO(R)

VCH_UVLO(F)

En_UVLO

Enable-Hysteresis

Oscillator

Frequency Range

Accuracy

Ramp Amplitude

FS

Vramp

Min Duty Cycle

Min Pulse Width

Max duty Cycle

Dmin

Ton(min)

Dmax

Sync Frequency Range

Sync(F)

Sync Pulse Duration

Sync(Pulse)

Sync High Level Threshold

Sync Low Level Threshold

Sync(H)

Sync(L)

-40oC <Tj< 125oC; Note2

SS=0V, No Switching

Fs=300kHz, CLOAD= 3.3nF

SS=0V, No Switching

Fs=300kHz, CLOAD= 3.3nF

SS=0V, No Switching

Fs=300kHz, CLOAD= 3.3nF

Supply ramping up

Supply ramping down

Supply ramping up and down

Supply ramping up

Supply ramping down

Supply ramping up and down

Supply ramping up

Supply ramping up and down

Fs=300kHz

Note1

Fb=1V

FS=300kHz, Note1

FS=300kHz, Fb=0.6V

20% above free running Freq

-1.5

+1.5

%

13

18

mA

20

30

mA

8

10

mA

30

42

mA

9

11

mA

30

42

mA

6.85

7.1

7.5

V

6.1

6.4

6.7

V

0.5

0.8

1.0

V

4.6

4.95

5.3

V

4.1

4.4

4.7

V

0.32

0.6

0.8

V

1.14

1.24

1.34

V

0.15

0.2

0.33

V

200

600

kHz

-12

+12

%

1.25

V

0

%

150

ns

84

%

1200

kHz

200

300

ns

2

V

0.6

V

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