www.irf.com

2

IRDCiP1001-B

Table 1 - PWM IC Voltage Identification Codes

Fig. 1 - Load line curve

* Shutdown : Upon receipt of the shutdown code (per VID code table above), both FETs are turned OFF and the output

is discharged as it enters UVP fault mode.

For output voltages above the DAC maximum setting of 2V, refer to Equation 1 below to calculate the

required resistor values for R3 & R4 (needed in order to achieve the extended output voltage range).

0

5

10

15

20

25

0.9

1.2

1.5

1.8

2.1

2.4

2.7

3.0

3.3

200kHz

200kHz/300kHz

D4

D3

D2

D1

D0

Output

Voltage

(V)

D4

D3

D2

D1

D0

Output

Voltage

(V)

00

000

2.00

10

000

1.275

00

001

1.95

10

001

1.250

00

010

1.90

10

010

1.225

00

011

1.85

10

011

1.200

00

100

1.80

10

100

1.175

00

101

1.75

10

101

1.150

00

110

1.70

10

110

1.125

00

111

1.65

10

111

1.100

01

000

1.60

11

000

1.075

01

001

1.55

11

001

1.050

01

010

1.50

11

010

1.025

01

011

1.45

11

011

1.000

01

100

1.40

11

100

0.975

01

101

1.35

11

101

0.950

01

110

1.30

11

110

0.925

0

1

1

1

1

Shutdown*

1

1

1

1

1

Shutdown*

Equation 1 : Vout = V

where V