EUP2595JIR1 datasheet(5/10 Pages) EUTECH

Part #	EUP2595JIR1

Description	32V Step-Up Converters for Two to Nine White LEDs

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Manufacturer	EUTECH [Eutech Microelectronics Inc]

Direct Link	http://www.eutechmicro.com

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5 / 10 page

EUP2595

DS2595 Ver1.1 Aug. 2008

5

Electrical Characteristics (Continued)

(VIN = 3V, Lin = 22µH, CIN = 2.2µ, COUT = 0.1µ, CCOMP = 0.1µF, RSENSE = 13Ω, VCTRL = 1.5V,

TA =-40°C to +85°C, unless otherwise noted. Typical values are at TA =25°C.)

EUP2595

Parameter

Conditions

Min

Typ

Max.

Unit

CS-to-COMP Transconductance Vcomp=1V

20

52

85

µS

OSCILLATOR

Operating Frequency

0.78

1

1.25

MHz

PWM Mode

12

Minimal Duty Cycle

Pulse Skipping

0

%

Maximum Duty Cycle

CTRL=IN , CS=GND

93.5

95

97.2

%

N-CHANNEL SWITCH

LX On-Resistance

0.35

0.86

1.40

Ω

LX Leakage Current

Vlx=32V, CTRL=GND

1

µA

LX Current Limit

Maximum Duty Cycle

550

1150

1720

mA

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