LP6341X-18QVF datasheet(3/7 Pages) POWER

Part #	LP6341X-18QVF

Description	1.5MHz, 1.5A Step-down Converter With Soft-Start

Download	7 Pages

Scroll/Zoom	100%

Manufacturer	POWER [Lowpower Semiconductor inc]

Direct Link	http://www.lowpowersemi.com

Logo

3 / 7 page

Preliminary Datasheet

LP6341

LP6341 –05 Ver. 1.5 Datasheet

Feb.-2009

Absolute Maximum Ratings

Input Voltage to GND ------------------------------------------------------------------------------------------- 6V

SW to GND (VSW) ---------------------------------------------------------------------------- 0.3V to VIN +0.3V

FB to GND (VFB) ------------------------------------------------------------------------------ 0.3V to VIN +0.3V

EN

EN_BAT to GND (VEN) ------------------------------------------------------------------------0.3V to 6V

Operating Junction Temperature Range (TJ) ----------------------------------------------------40℃ to 150℃

Maximum Soldering Temperature (at leads, 1 0sec) ----------------------------------------------------- 260℃

Electrical Characteristics

(VIN =VEN,Typical values are TA=25℃ )

LP6341

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

Step-Down Converter

VIN

Input Voltage

2.5

5.5

V

△VOUT

Output Voltage Line Regulation

ILOAD = 0

VINB = 2.5V to 5.5V

0.25

0.4

%/

v

△VFB

Reference Voltage

Line Regulation

VINB = 2.5V to 5.5V

0.25

0.4

%/

v

VOUT

Output Voltage Range

0.6

VINB

V

IQ

Quiescent Current

VFB1=VFB2=0V,VIN1/IN2=4.2V

270

350

µA

ISHDN

Shutdown Current

ENB = GND

1

µA

ILIM

P-Channel Current Limit

2.3

2.5

3

A

RDS(ON)H

High-Side Switch On Resistance

130

210

m

RDS(ON)L

Low-Side Switch On Resistance

120

200

m

ILXLEAK

LX Leakage Current

VEN1/EN2=0V,

VSW1/SW2=0 or 5V, VIN1/IN2=5V

1

µA

∆VLine-reg/∆VIN

Line Regulation

VINB = 2.8V to 5.5V

0.2

0.4

%/V

VFB

Feedback Threshold Voltage

Accuracy

VINB = 3.6V，LP6341AQVF

0.485

0.5

0.515

V

VINB = 3.6V，LP6341XAQVF

0.588

0.6

0.612

V

IFB

FB Leakage Current

VOUTB = 1 .0V

30

nA

FOSC

Oscillator Frequency

1.2

1.5

1.8

MHz

TS

Startup Time

From Enable to Output Regulation

120

µs

TSD

Over-Temperature Shutdown

Threshold

150

℃

THYS

Over-Temperature Shutdown

Hysteresis

20

℃

VEN(L)

Enable Threshold Low

0.4

V

VEN(H)

Enable Threshold High

0.3

1.0

1.5

V

IEN

Input Low Current

VINB = VENB = 5.5V

-1

1

µA

Note:

Output Voltage: Vout = VFB X (1+R2/R1) Volts;

Similar Part No. - LP6341X-18QVF

Manufacturer	Part #	Datasheet	Description
Lowpower Semiconductor ...	LP6342	782Kb / 15P	Output Voltage Range: 0.6V to VIN
Lowpower Semiconductor ...	LP6343	539Kb / 12P	Output Voltage Range: 0.6V to VIN

More results

Similar Description - LP6341X-18QVF

Manufacturer	Part #	Datasheet	Description
Lowpower Semiconductor ...	LP6301	920Kb / 7P	1.5MHz, 1.5A Step-down Converter With Soft-Start
Eutech Microelectronics...	EUP3412	509Kb / 11P	1.5A/1.5MHz, Synchronous Step-Down Converter with Soft Start
	EUP3010	778Kb / 12P	1.5MHz,1A Synchronous Step-Down Converter with Soft Start
	EUP3408	716Kb / 11P	1.5MHz, 800mA Synchronous Step-Down Converter with Soft Start
	EUP3418	101Kb / 1P	1.5MHz, 1A Synchronous Step-Down Converter with Soft Start
	EUP3420	513Kb / 11P	2A/1.5MHz, Synchronous Step-Down Converter with Soft Start
Lowpower Semiconductor ...	LP3218	649Kb / 8P	1.5MHz, 1.5A Step-Down Converter
Lowpower Semiconductor ...	LP3209	1Mb / 10P	1.5MHz, 1.5A Step-Down Converter
BCD Semiconductor Manuf...	AUR9718	1Mb / 19P	1.5MHz, 1.5A, Step-down DC-DC Converter
Unisonic Technologies	UD05154	246Kb / 5P	1.5MHz, 1.5A, V SYNCHRONOUS STEP-DOWN CONVERTER

More results

LP6341X-18QVF Datasheet(PDF) 3 Page - Lowpower Semiconductor inc

LP6341X-18QVF Datasheet(HTML) 3 Page - Lowpower Semiconductor inc

Similar Part No. - LP6341X-18QVF

Similar Description - LP6341X-18QVF

Html Pages

1 2 3 4 5 6 7

Datasheet Download

Link URL