Confidential

Datasheet Version 1.0

July

2015. Revision 1.0

MagnaChip Semiconductor Ltd.

4

Electrical Characteristics

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

General Section

Input Voltage Range

8.6

15.9

V

Under Voltage Lock Out

Rising Threshold voltage

8.0

8.3

8.6

V

Hysteresis

0.6

0.8

1.0

V

Quiescent Current

VFB=1.3V, Not Switching

1.0

1.2

mA

Enable Pull down resistance

0.5

1.0

1.5

M

Ω

Thermal Shutdown Temperature

(Note1)

150

℃

Thermal Shutdown Hysteresis

(Note1)

10

℃

18

19

20

V

Oscillator

Oscillator Frequency

450

500

550

kHz

Maximum Duty Cycle

81

90

99

%

Error Amplifier

FB Regulation Voltage

1.2375

1.25

1.2625

V

FB Input Bias Current

100

nA

FB Line Regulation

0.05

0.2

V

Gm

Transconductance

ΔI=±2.5uA at VCOMP=1V

80

100

120

uA/V

AV

Voltage Gain

(Note1)

FB to COMP

700

V/V

N-MOSFET

Current Limit

(Note1)

4.5

A

On-Resistance

(Note1)

100

250

mΩ

Leakage Current

VLX=24V

10

uA

RCS

Current Sense Transresistance

(Note1)

0.25

V/A

Soft-Start

Charge Current

3.5

5.0

6.5

uA

Control Inputs

Enable Logic High Voltage

1.4

V

Enable Logic Low Voltage

0.7

Note1) Guaranteed by design, characterization and correlation with process controls, Not fully tested in production