FDMF3035 datasheet(4/21 Pages) ONSEMI

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Absolute Maximum Ratings

Stresses exceeding the Absolute Maximum Ratings may damage the device. The device may not function or be

operable above the recommended operating conditions and stressing the parts to these levels is not recommended.

In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability.

The absolute maximum ratings are stress ratings only. TA = TJ = 25°C

Symbol

Parameter

Min.

Max.

Unit

VCC

Supply Voltage

Referenced to AGND

-0.3

7.0

PVCC

Drive Voltage

Referenced to AGND

-0.3

7.0

VPWM

PWM Signal Input

Referenced to AGND

-0.3

VCC+0.3

VFCCM

Skip Mode Input

Referenced to AGND

-0.3

VCC+0.3

VGL

Low Gate Manufacturing Test

Referenced to PGND (DC)

GND-0.3

VCC+0.3

Referenced to PGND (AC < 20 ns, 10 µJ)

GND-0.3

VCC+0.3

VIN

Power Input

Referenced to PGND

-0.3

30.0

VPHASE

VSW

PHASE and SW

Referenced to PGND (DC)

-0.3

30.0

Referenced to PGND (AC < 20 ns, 10 µJ)

-8.0

30.0

VBOOT

Bootstrap Supply

Referenced to AGND (DC)

-0.3

33.0

VBOOT-PHASE Boot to PHASE Voltage

-0.3

7.0

AC < 20 ns, 10 µJ

-0.3

9.0

IO(AV)

(2)

Output Current

fSW=300 kHz, VIN=12 V, VOUT=1 V

fSW=1000 kHz, VIN=12 V, VOUT=1 V

θJ-A

Junction-to-Ambient Thermal Resistance

12.4

°C/W

θJ-PCB

Junction-to-PCB Thermal Resistance (under

ON Semiconductor SPS Thermal Board)

1.8

°C/W

Ambient Temperature Range

-40

+125

°C

Maximum Junction Temperature

+150

°C

TSTG

Storage Temperature Range

-55

+150

°C

ESD

Electrostatic Discharge

Protection

Human Body Model, JESD22-A114

1.5

Charged Device Model, JESD22-C101

2.5

Note:

IO(AV) is rated with testing

ON Semiconductor's SPS evaluation board at TA = 25°C with natural convection cooling.

This

rating is limited by the peak SPS temperature, TJ = 150°C, and varies depending on operating conditions and

PCB layout. This rating may be changed with different application settings.

Recommended Operating Conditions

The

Recommended

Operating

Conditions

table

defines

the

conditions

for

actual

device

operation.

Recommended Operating Conditions are specified to ensure optimal performance to the datasheet specifications.

ON Semiconductor does not recommend exceeding them or designing to Absolute Maximum Ratings.

Symbol

Parameter

Min.

Typ.

Max.

Unit

VCC

Control Circuit Supply Voltage

4.5

5.0

5.5

PVCC

Gate Drive Circuit Supply Voltage

4.5

5.0

5.5

VIN

Output Stage Supply Voltage

4.5

(3)

12.0

24.0

(4)

Notes:

3.0 V VIN is possible according to the application condition.

Operating at high VIN can create excessive AC voltage overshoots on the SW-to-GND and BOOT-to-GND nodes

during MOSFET switching transient. For reliable SPS operation, SW to GND and BOOT to GND must remain at

or below the Absolute Maximum Ratings in the table above.

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