ISL6443IRZ datasheet(7/18 Pages) INTERSIL

Part #	ISL6443IRZ

Description	300kHz Dual, 180 Degree Out-of-Phase, Step-Down PWM and Single Linear Controller

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Manufacturer	INTERSIL [Intersil Corporation]

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7 / 18 page

7

FN9044.1

October 4, 2005

PROTECTION

Thermal Shutdown

Rising

-

150

-

°C

Hysteresis

-

20

-

°C

NOTES:

2. Specifications at -40°C and 85°C are guaranteed by design, not production tested.

3. In normal operation, where the device is supplied with voltage on the VIN pin, the VCC_5V pin provides a 5V output capable of 60mA (min).

When the VCC_5V pin is used as a 5V supply input, the internal LDO regulator is disabled and the VIN input pin must be connected to the

VCC_5V pin. (Refer to the Pin Descriptions section for more details.)

4. This is the total shutdown current with VIN = VCC_5V = PVCC = 5V.

5. Operating current is the supply current consumed when the device is active but not switching. It does not include gate drive current.

6. The peak-to-peak sawtooth amplitude is production tested at 12V only; at 5V this parameter is guaranteed by design.

7. Guaranteed by design; not production tested.

8. Not production tested; guaranteed by characterization only.

9. Guaranteed by design. The full scale current of 32µA is recommended for optimum current sample and hold operation. See the Feedback Loop

Compensation Section below.

Electrical Specifications

Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application

Schematic. VIN = 5.6V to 24V, or VCC_5V = 5V ±10%, TA = -40°C to 85°C (Note 2),

Typical values are at TA = 25°C (Continued)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

ISL6443

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