Product Specification

IXD3220/IXD3221

PS034101-0515

PRELIMINARY

2

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATINGS

UNITS

– 0.3 ~ 18.0

V

FB Pin Voltage

– 0.3 ~ 18.0

V

CE

– 0.3 ~ 18.0

V

EXT Pin Voltage

V

EXT Pin Current

±100

mA

Power Dissipation

SOT-25

250

mW

USP-6C

100

Operating Temperature Range

– 40 ~ + 85

Storage Temperature Range

– 55 ~ +125

ELECTRICAL OPERATING CHARACTERISTICS

IXD3220/221 A and C versions

PARAMETER

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNIT

CIRCUIT

FB Voltage

0.8865

0.9000

0.9135

V



Input Voltage Range

2.8

-

16.0

V

UVLO Voltage

(Minimum Operating Voltage)

1.9

2.3

2.7

V



Supply Current 2

**

µA



Standby Current

0.1

1

µA



Oscillation Frequency

Connected to external components

**

kHz



Maximum Duty Cycle Ratio

100

-

-

%



PFM Duty Cycle Ratio

No load IXD3221 series only

15

25

35

%



EXT “H” ON Resistance

6

10

16

Ω



EXT “L” ON Resistance

6

12

20

Ω



Integral Protection Time (*2)

IXD3220/221 A series

**

ms



Short-Circuit Protection

0 . 7

V



Soft-Start Time

**

ms



Efficiency (*1)

EFF1

92

%



FB Voltage Temperature

Characteristics

±100

ppm/



CE “High” Voltage

1.2

V



CE “Low” Voltage

0.3

V



CE “High” Current

-0.1

0.1

µA



CE “Low” Current

-0.1

0.1

µA



FB “High” Current

-0.1

0.1

µA



FB “Low” Current

-0.1

0.1

µA



NOTE:

*1: EFF1 = {(output voltage) x (output current)} / {(input voltage) x (input current)} x 100

*2: No Integral protection function is available with the IXD3220/221 C series.

** Refer to the CHARACTERISTICS CHART BY OSCILLATION FREQUENCY