Datasheet

5V/2.1A 150KHz 45V Buck DC to DC Converter For USB Interface

XL2011

Rev 1.0

www.xlsemi.com

5

XL2011 Electrical Characteristics

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

System parameters test circuit figure4

VFB

Feedback

Voltage

Vin = 8V to 45V, Vout=5V

Iload=0.5A to 2.1A

4.9

5

5.1

V

Efficiency

ŋ

Vin=12V ,Vout=5V

Iout=2.1A

-

90

-

%

Electrical Characteristics (DC Parameters)

25℃; the others floating unless otherwise specified.

Parameters

Symbol

Test Condition

Min.

Typ.

Max.

Unit

Input operation voltage

Vin

8

45

V

Quiescent Supply Current

4.7

10

mA

Output Short Supply Current

Iosp

5

mA

Oscillator Frequency

Fosc

128

150

173

KHz

Switch Current Limit

2.3

A

Output Power PMOS

Rdson

60

80

mohm