MPQ4462 – 3.5A, 4MHz, 36V, STEP-DOWN CONVERTER, AEC-Q100 QUALIFIED

MPQ4462 Rev. 1.11

www.MonolithicPower.com

3

7/17/2013

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ELECTRICAL CHARACTERISTICS

Parameter

Symbol Condition

Min

Typ

Max

Units

0.786 0.792 0.803

Feedback Voltage

0.773

0.812

V

Upper Switch On Resistance

(5)

150

mΩ

Upper Switch Leakage

0.01

1

μA

Current Limit

Duty Cycle = 50%

4.0

5.5

A

COMP to Current Sense

Transconductance

(5)

9

A/V

Error Amp Voltage Gain

(6)

200

V/V

Error Amp Transconductance

35

60

95

µA/V

Error Amp Min Source Current

5

µA

Error Amp Min Sink Current

–5

µA

VIN UVLO Threshold

2.6

3.0

3.4

V

VIN UVLO Hysteresis

400

mV

Soft-Start Time

(5)

1.5

ms

Oscillator Frequency

1.6

2

2.4

MHz

Shutdown Supply Current

11

18

µA

Quiescent Supply Current

120

160

µA

Thermal Shutdown

(5)

150

°C

Thermal Shutdown Hysteresis

(5)

15

°C

Minimum OFF Time

(5)

100

ns

Minimum ON Time

(5)

80

ns

EN Rising Threshold

1.4

1.5

1.7

V

EN Falling Threshold

1.1

1.2

1.4

V

EN Threshold Hysteresis

300

mV

Note:

5) Derived from bench characterization. Not tested in production.

6) Guaranteed by design. Not tested in production.