ISL9104IRUNZ-T datasheet(4/14 Pages) RENESAS

Part #	ISL9104IRUNZ-T

Description	500mA 4.3MHz Low IQ High Efficiency Synchronous Buck Converter

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Manufacturer	RENESAS [Renesas Technology Corp]

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4 / 14 page

ISL9104, ISL9104A

FN6829 Rev 5.00

Page 4 of 14

Absolute Maximum Ratings

Thermal Information

VIN, EN to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V

SW to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -1.5V to 6.5V

FB to GND (for adjustable version) . . . . . . . . . . . . . . . . . . . . . . -0.3V to 2.7V

FB to GND (for fixed output version). . . . . . . . . . . . . . . . . . . . . -0.3V to 3.6V

Recommended Operating Conditions

VIN Supply Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 6.0V

Load Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . up to 500mA

Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C

Thermal Resistance (Typical, Note 5)

JA (°C/W)

1.6x1.6 µTDFN Package . . . . . . . . . . . . . . . . . . . . . . . . .

160

Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . .-40°C to +125°C

Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C

Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below

http://www.intersil.com/pbfree/Pb-FreeReflow.asp

CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product

reliability and result in failures not covered by warranty.

NOTE:

5.

JA 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 Unless otherwise noted, all parameter limits are guaranteed over the recommended operating

conditions and the typical specifications are measured at the following conditions: TA = +25°C, VIN = VEN = 3.6V, L = 1.0µH, C1 = 4.7µF,

C2 = 4.7µF, IOUT = 0A (see “Typical Applications” on page 2). Boldface limits apply over the operating temperature range,

-40°C to +85°C.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

(Note 6)

TYP

MAX

(Note 6)

UNITS

SUPPLY

Undervoltage Lockout Threshold (UVLO)

VUVLO

TA = +25°C, Rising

-

2.5

2.7

V

UVLO Hysteresis

50

150

-

mV

Quiescent Supply Current (for ISL9104

adjustable output voltage only)

IVIN1

In skip mode, no load at the output, no switch,

VIN = 6.0V

-20

34

µA

Quiescent Supply Current (for ISL9104A

adjustable output only)

IVIN2

In skip mode, no load at the output, no switch,

VIN = 6.0V

-32

45

µA

Quiescent Supply Current (for ISL9104A 1.5V

fixed output)

In skip mode, no load at the output, VIN =6.0V

-

84

-

µA

Shut Down Supply Current

ISD

VIN = 6.0V, EN = LOW

-

0.05

1

µA

OUTPUT REGULATION

FB Voltage Accuracy (for adjustable output only)

TA = 0°C to +85°C

-2

-

+2

%

-2.5

-

+2.5

%

FB Voltage

VFB

0.8

V

FB Bias Current (for adjustable output only)

IFB

VFB = 0.75V

-

5

100

nA

Output Voltage Accuracy (for fixed output

voltage only)

PWM Mode

-3

-

3

%

Line Regulation

VIN = VO + 0.5V to 6V (minimal 2.7V)

-

0.2

-

%/V

Load Regulation

VIN =3.6V, IO = 150mA to 500mA

-

0.0009

-

%/mA

SW

P-Channel MOSFET ON-Resistance

VIN = 3.6V, IO = 200mA

-

0.45

0.6



VIN = 2.7V, IO = 200mA

-

0.55

0.72



N-Channel MOSFET ON-Resistance

VIN = 3.6V, IO = 200mA

-

0.4

0.52



VIN = 2.7V, IO = 200mA

-

0.5

0.65



N-Channel Bleeding MOSFET ON-Resistance

-

100

-



P-Channel MOSFET Peak Current Limit

IPK

VIN = 4.2V

0.75

1.00

1.35

A

Maximum Duty Cycle

-100

-

%

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