FDMF6705 datasheet(10/21 Pages) ONSEMI

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FDMF6705 • Rev. 1.0.4

Typical Performance Characteristics (Continued)

Test Conditions: VIN=12 V, VOUT=1.0 V, VCIN=5 V, VDRV=5 V, LOUT=320 nH, TA=25°C, and natural convection cooling,

unless otherwise specified.

Figure 12. Normalized Power Loss vs. Output

Voltage

Figure 13. Module Power Loss vs. Output

Inductance

Figure 14. Driver Supply Current vs. Frequency

Figure 15. Driver Supply Current vs. Driver

Supply Voltage

Figure 16. Normalized Driver Supply Current vs.

Output Current

Figure 17. PWM Thresholds vs. Driver Supply

Voltage

0.9

1.1

1.3

1.5

1.7

1.9

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Output Voltage, VOUT (V)

VIN = 12V, IOUT = 30A, fSW = 300kHz

0.98

0.99

1.00

1.01

1.02

1.03

1.04

1.05

225

275

325

375

425

Output Inductance, LOUT (nH)

VIN = 12V, IOUT = 30A, fSW = 300kHz

200

400

600

800

1000

Module Switching Frequency, fSW (kHz)

VIN = 12V, IOUT = 0A, fSW = 300kHz

4.5

4.75

5.25

5.5

Driver Supply Voltage, VDRV & VCIN (V)

VIN = 12V, IOUT = 0A, fSW = 300kHz

0.98

1.00

1.02

1.04

1.06

1.08

1.10

Module Output Current, IOUT (A)

300kHz

1MHz

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.50

4.75

5.00

5.25

5.50

Driver Supply Voltage, VDRV & VCIN (V)

TA = 25°C

VIL_PWM

VIH_PWM

VTRI_HI

VTRI_LO

VHIZ_PWM

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