ISL6444 datasheet(3/18 Pages) INTERSIL

No de pièce	ISL6444

Description	Dual PWM Controller with DDR Memory Option for Gateway Applications

Download	18 Pages

Scroll/Zoom	100%

Fabricant	INTERSIL [Intersil Corporation]

Site Internet	http://www.intersil.com/cda/home

Logo

3 / 18 page

3

Absolute Maximum Ratings

Thermal Information

Bias Voltage, Vcc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+ 6.5V

Input Voltage, Vin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +27.0V

PHASE, BOOT, ISEN, UGATE . . . . . . . . . . . . . GND-0.3V to +33.0V

BOOT with respect to PHASE . . . . . . . . . . . . . . . . . . . . . . . . . .+ 6.5V

All Other Pins . . . . . . . . . . . . . . . . . . . . . . . GND -0.3V to Vcc + 0.3V

ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class 2

Recommended Operating Conditions

Bias Voltage, Vcc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5.0V ±5%

Input Voltage, Vin . . . . . . . . . . . . . . . . . . . . . . . . . . . +5.0V to +24.0V

Ambient Temperature Range. . . . . . . . . . . . . . . . . . . -10oC to 85oC

Junction Temperature Range . . . . . . . . . . . . . . . . . -10oC to 125oC

Thermal Resistance (Typical, Note 1)

θ

JA (

oC/W)

SSOP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . .

78

Maximum Junction Temperature (Plastic Package) . . . . . . . . 150oC

Maximum Storage Temperature Range . . . . . . . . . -65oC to 150oC

Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300oC

(SSOP - Lead Tips Only)

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the

device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

NOTE:

1.

θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.

Electrical Specifications

Recommended Operating Conditions, Unless Otherwise Noted.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

VCC SUPPLY

Bias Current

ICC

LGATEx, UGATEx Open, VSENx forced above

regulation point, DDR=0, VIN>5V

-2.2

3.2

mA

Shut-down Current

ICCSN

--

30

µA

VCC UVLO

Rising Vcc Threshold

VCCU

4.3

4.65

4.75

V

Falling Vcc Threshold

VCCD

4.1

4.35

4.45

V

VIN

Input Voltage Pin Current (Sink)

IVIN

10

-

30

µA

Input Voltage Pin Current (Source)

IVINO

--15

-30

µA

Shut-down Current

IVINS

--

1

µA

OSCILLATOR

PWM1 Oscillator Frequency

Fc

255

300

345

kHz

Ramp Amplitude, pk-pk

VR1

Vin= 16V, by design

-

2

-

V

Ramp Amplitude, pk-pk

VR2

Vin= 5V, by design

-

1.25

-

V

Ramp Offset

VROFF

By design

-

0.5

-

V

Ramp/VIN Gain

GRB1

Vin

≥ 3V, by design

-

125

-

mV/V

Ramp/VIN Gain

GRB2

1 ≤ Vin ≤ 3V, by design

-

250

-

mV/V

REFERENCE AND SOFT START

Internal Reference Voltage

VREF

-0.9

-

V

Reference Voltage Accuracy

-1.0

-

+1.0

%

Soft-Start Current During Start-up

ISOFT

--5

-

µA

Soft-Start Complete Threshold

VST

By design

1.5

V

PWM CONVERTERS

Load Regulation

0.0mA < IVOUT1 < 5.0A; 5.0V < VBATT < 24.0V

-2.0

-

+2.0

%

VSEN pin bias current

IVSEN

By design

50

80

120

nA

VOUT pin input impedance

IVOUT

VOUT = 5V

40

55

65

kOhm

ISL6444

Numéro de pièce similaire - ISL6444

Fabricant	No de pièce	Fiches technique	Description
Intersil Corporation	ISL6444	381Kb / 19P	Dual PWM Controller with DDR Memory Option for Gateway Applications
Renesas Technology Corp	ISL6444	944Kb / 19P	Dual PWM Controller with DDR Memory Option for Gateway Applications
Intersil Corporation	ISL6444CA	381Kb / 19P	Dual PWM Controller with DDR Memory Option for Gateway Applications
Renesas Technology Corp	ISL6444CA	944Kb / 19P	Dual PWM Controller with DDR Memory Option for Gateway Applications
Intersil Corporation	ISL6444CAZ	381Kb / 19P	Dual PWM Controller with DDR Memory Option for Gateway Applications

More results

Description similaire - ISL6444

Fabricant	No de pièce	Fiches technique	Description
Intersil Corporation	ISL6444	381Kb / 19P	Dual PWM Controller with DDR Memory Option for Gateway Applications
Renesas Technology Corp	ISL6444	944Kb / 19P	Dual PWM Controller with DDR Memory Option for Gateway Applications
Intersil Corporation	ISL6225	522Kb / 19P	Dual Mobile-Friendly PWM Controller with DDR Memory Option
Renesas Technology Corp	ISL6225	851Kb / 19P	Dual Mobile-Friendly PWM Controller with DDR Memory Option
Intersil Corporation	ISL6227	897Kb / 26P	Dual Mobile-Friendly PWM Controller with DDR Option
	ISL6227	861Kb / 28P	Dual Mobile-Friendly PWM Controller with DDR Option
	ISL6227	840Kb / 27P	Dual Mobile-Friendly PWM Controller with DDR Option
Renesas Technology Corp	ISL6227	1Mb / 27P	Dual Mobile-Friendly PWM Controller with DDR Option
Intersil Corporation	ISL6539	510Kb / 20P	Wide Input Range Dual PWM Controller with DDR Option
Renesas Technology Corp	ISL6539	933Kb / 20P	Wide Input Range Dual PWM Controller with DDR Option

More results

ISL6444 Fiches technique(PDF) 3 Page - Intersil Corporation

ISL6444 Fiches technique(HTML) 3 Page - Intersil Corporation

Numéro de pièce similaire - ISL6444

Description similaire - ISL6444

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Fiches technique Télécharger

Lien URL