MPQ2362

— DUAL 2A, 23V, 380kHz STEP-DOWN CONVERTER, AEC-Q100 QUALIFIED

MPQ2362 Rev. 1.0

www.MonolithicPower.com

3

5/24/2016

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© 2016 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

Parameter

Symbol Condition

Min

Typ

Max

Units

Feedback Voltage

4.75V

 V

23V

1.198

1.222

1.246

V

+125

1.185

1.222

1.259

V

Upper Switch-On

Resistance

(6)

0.18

Ω

Lower Switch-On

Resistance

10

20

Ω

Upper Switch Leakage

10

µA

Current Limit

(5)

2.4

3.4

4

A

Current Limit Gain

Output Current to Comp Pin

Voltage

2

3.5

A/V

Error Amplifier Voltage Gain

400

V/V

Error Amplifier

Transconductance

I

500

770

1100

μA/V

300

1200

Oscillator Frequency

260

380

500

kHz

Short Circuit Frequency

10

35

54

kHz

SYNC Frequency

SYNC Drive

= 0V to 2.7V

0.5

1.2

MHz

0.5

1.0

EN Shutdown Threshold

Voltage

0.7

1.0

1.3

V

Enable Pull-Up Current

1.0

μA

EN UVLO Threshold Rising

2.37

2.50

2.62

V

Supply Current (Shutdown)

40

70

μA

Supply Current (Quiescent)

2.0

2.8

mA

Thermal Shutdown

(6)

160

C

Maximum Duty Cycle

90

98

%

Minimum On Time

(6)

100

ns

Note:

5) Equivalent output current = 1.5A

≥ 50% Duty Cycle

2.0A

≤ 50% Duty Cycle

Assumes ripple current = 30% of load current.

Slope compensation changes current limit above 40% duty cycle.

6) Design guarantee, no production test.