rev.

page

date

DESCRIPTION:

point of load converter

3 of 11

08/2007

20050

phone 503.612.2300 fax 503.612.2382

PART NUMBER:

VPOL15A-5-SMT

4. Technical Specifications

(All specifications are typical at nominal input, full load at 25°Cunless otherwise noted.)

PARAMETER

NOTES and CONDITIONS

Device

Min.

Typical Max.

Units

ABSOLUTE MAXIMUM RATINGS

Input Voltage

Continuous

ALL

0

5.8

Vdc

Operating Temp erature

See Thermal Considerations Section

ALL

-40

+85

°C

Storage Temperature

ALL

-55

+125

°C

INPUT CHARACTERISTICS

Operating Input Voltage

Vo=2.7V

Vo=3.0V

ALL

3.0

4.5

5.0

5.0

5.5

5.5

Vdc

Input Under-Voltage Lockout

Turn-On Voltage Threshold

ALL

2.8

Vdc

Turn-Off Voltage Threshold

ALL

2.7

Vdc

Lockout Hysteresis Voltage

ALL

0.1

Vdc

Maximum Input Current

Vin=3.0 to 5.5Vdc , Io=Io,max.

ALL

15.5

A

No-Load Input Current

Vo=1.0V

Vo=1.2V

Vo=1.5V

Vo=1.8V

Vo=2.0V

Vo=2.5V

Vo=3.3V

ALL

60

60

60

70

70

70

70

mA

Off Converter Input Current

Shutdown input idle current

ALL

5

10

mA

Inrush Current (I

ALL

0.4

A

Input Reflected-Ripple Current

P-P thru 1uH inductor, 5Hz to 20MHz

ALL

150

mA

OUTPUT CHARACTERISTIC

Output Voltage Set Point

Vin=Nominal Vin , Io=Io.max, Tc=25°C

ALL

-1.5% Vo,set +1.5%

Vdc

Output Voltage Trim Adjustment Range

Selected by an external resistor

ALL

0.9

3.63

Vdc

Output Voltage Regulation

Load Regulation

Io=Io.min to Io.max

ALL

-0.5

+0.5

%

Line Regulation

Vin=low line to high line

VPOL15A-5-

SMT

-0.2

-0.4

+0.2

+0.4

%

Tempera ture Coefficient

Ta=-40°C to 85°C

ALL

±0.03

%/°C

Output Voltage Ripple and Noise

5Hz to 20MHz bandwidth

Peak-to-Peak

Full Load, 1uF ceramic and 10uF tantalum

ALL

50

mV

RMS

Full Load, 1uF ceramic and 10uF tantalum

ALL

20

mV

External Capacitive Load

Low ESR

ALL

10000

uF

Operating Output Current Range

ALL

0

15

A

Output DC Current-Limit Inception

Output Voltage =90% Nominal Output Voltage

ALL

18

22

28

A

Shout Circuit Protection

Continuous with Hiccup Mode