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EN5339QI

3A PowerSoC Low Profile Synchronous Buck DC-DC Converter with Integrated Inductor

Altera Corporation 

EN5339QI

Electrical Characteristics

NOTE: VIN = 5V, Minimum and Maximum values are over operating ambient temperature range unless otherwise noted.

Typical values are at TA = 25°C.

PARAMETER

Operating Input Voltage

Feedback Node Initial

Accuracy

Output Variation (Note 3)

(Line, Load, Temperature)

VFB, ENABLE, TST0/1/2

Pin Input Current (Note 4)

Shutdown Current

Under Voltage Lock-out –

VIN Rising

Under Voltage Lock-out –

tVIN Falling

Soft-start Time

SYMBOL

V IN

V VFB

V OUT

V UVLOR

V UVLOF

TEST CONDITIONS

TA = 25°C; VIN = 5V

ILOAD = 100 mA

2.4V ≤ VIN ≤ 5.5V

0 ≤ ILOAD ≤ 3A

ENABLE Low

Voltage Above Which UVLO is

Not Asserted

Voltage Below Which UVLO is

Asserted

Time from Enable High (Note 4)

MIN

2.4

0.588

TYP MAX

5.5

0.600 0.612

UNITS

V

V

-3

+3

%

+/-40

nA

20

µA

2.2

V

2.1

V

0.91 1.40 1.89

ms

Dropout Resistance

150 300

mΩ

ENABLE Voltage

Threshold

POK Threshold

POK Threshold

POK Low Voltage

POK Pin VOH Leakage

Current

Current Limit Threshold

Operating Frequency

Output Ripple Voltage

F OSC

V RIPPLE

Logic Low

Logic High

VOUT Rising

VOUT Falling

ISINK = 1 mA

POK High

2.7V ≤ VIN ≤ 5.5V

COUT = 3 x 22 µF 0805 X5R

MLCC, VOUT = 3.3 V, ILOAD = 3A

COUT = 3 x 22 µF 0805 X5R

MLCC, VOUT = 1.8 V, ILOAD = 3A

0.0

0.4

1.4

V IN

92

90

0.15 0.4

0.5

2

3.2

5

3.2

4.2

5.5

V

%

%

V

µA

A

MHz

mV P-P

mV P-P

Note 3: Output voltage variation is based on using 0.1% accuracy resistor values.

Note 4: Parameter not production tested but is guaranteed by design.

06903

June 26, 2015

www.altera.com/enpirion, Page 5

Rev E

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