MPQ2451-5/33―36V, 2.2MHz, 0.6A, STEP-DOWN CONVERTER, AEC-Q100 QUALIFIED

MPQ2451-5/33 Rev 1.0

www.MonolithicPower.com

3

5/25/2016

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ELECTRICAL CHARACTERISTICS

Parameter

Symbol Condition

Min

Typ

Max

Units

Output Voltage

MPQ2451-5

4.8

5

5.2

V

4.85

5

5.15

MPQ2451-33

3.168

3.3

3.432

V

3.2

3.3

3.4

Upper Switch-On Resistance

500

mΩ

Upper Switch Leakage

0V

0.5

2

μA

Current Limit

0.75

1

A

+125°C

0.65

COMP to Current Sense

Transconductance

(5)

3

A/V

2.7

3.29

V

0.4

V

Soft-Start Time

0.5

1

ms

Oscillator Frequency

1.8

2.2

2.6

MHz

Minimum Switch-On Time

(5)

τ

ON

80

ns

Shutdown Supply Current

1

μA

Quiescent Supply Current

No load,

no switching

130

170

µA

Thermal Shutdown

(5)

150

°C

Enable Threshold, High

Low-to-High

1.35

1.5

1.8

V

Enable Threshold, Hysteresis

400

mV

Notes:

5) Derived from bench characterization, not tested in production.