High-Performance PWM Controller

Absolute Maximum Ratings

Symbol

Parameter

Rating

Unit

VCC Supply Voltage (VCC to GND)

-0.3 ~ 7

V

BOOT Supply Voltage (BOOT to GND)

-0.3 ~ 35

V

BOOT Supply Voltage (BOOT to PHASE)

-0.3 ~ 7

V

All Other Pins (POK, OCSET, EN, FB, and RF to GND)

V

UGATE Voltage (UGATE to PHASE)<400ns Pulse Width>400ns Pulse Width

V

LGATE Voltage (LGATE to GND)<400ns Pulse Width>400ns Pulse Width

V

PHASE Voltage (PHASE to GND)<400ns Pulse Width>400ns Pulse Width

-5 ~ 35

-1 ~ 32

V

Maximum Junction Temperature

150

o

C

Storage Temperature

-65 ~ 150

o

C

Maximum Soldering Temperature, 10 Seconds

260

o

C

Note: Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only and

functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied.

Exposure to absolute maximum rating conditions for extended periods may affect device reliability

Recommended Operating Conditions

Symbol

Parameter

Range

Unit

V

IN

Converter Input Voltage

1.8 ~32

V

VCC

VCC Supply Voltage

4.5 ~ 5.5

V

V

OUT

Converter Output Voltage

0.7 ~ 5.5

V

I

OUT

Converter Output Current

~ 25

A

T

A

Ambient Temperature

-40 ~ 85

o

C

T

J

Junction Temperature

-40 ~ 125

o

C

Note: Refer to the typical application circuit.

Thermal Characteristics

Symbol

Parameter

Typical Value

Unit

Thermal Resistance-Junction to Ambient 3mmx3mm TDFN-10

55

°C/W

Note:

soldered directly on the PCB.

High-Performance PWM Controller

HM1469