MP2374 Rev. 1.0

www.MonolithicPower.com

2

1/23/2014

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© 2014 MPS. All Rights Reserved.

PACKAGE REFERENCE

BS

IN

SW

GND

REF

EN

COMP

FB

1

2

3

4

8

7

6

5

TOP VIEW

Part Number*

Package

MP2374DS

SOIC8

Temperature

Top Marking

–40

°C to +85°C

For RoHS Compliant Packaging, add suffix –LF

(eg. MP2374DS–LF–Z)

IN Supply Voltage........................ –0.3V to +34V

All Other Pins................................. –0.3V to +6V

Junction Temperature...............................150

°C

Lead Temperature ....................................260

°C

Storage Temperature ..............–65°C to +150

°C

Recommended Operating Conditions

(2)

Input Voltage ................................... 6.5V to 32V

Operating Temperature .............–40

°C to +85°C

Thermal Resistance

(3)

SOIC8..................................... 90 ...... 45...

°C/W

Notes:

1) Exceeding these ratings may damage the device.

2) The device is not guaranteed to function outside of its

operating conditions.

3) Measured on JESD51-7, 4-layer PCB.

ELECTRICAL CHARACTERISTICS

Parameter

Symbol Condition

Min

Typ

Max

Units

Shutdown Supply Current

20

35

μA

Supply Current

1.0

1.2

mA

Feedback Voltage

6.5V

1.202

1.230

1.258

V

Error Amplifier Voltage Gain

400

V/V

Error Amplifier Transconductance

500

700

1100

μA/V

High-Side Switch On Resistance

(4)

120

mΩ

Low-Side Switch On Resistance

(4)

8.5

Ω

High-Side Switch Leakage Current

0

10

μA

Current Limit

(5)

2.3

A

Current Sense to COMP

Transconductance

3.5

A/V

Oscillation Frequency

280

330

380

KHz

Short Circuit Oscillation Frequency

35

KHz

Maximum Duty Cycle

(4)

90

%

Minimum Duty Cycle

(4)

0

%

EN Shutdown Threshold Voltage

0.8

1.2

1.6

V

Enable Pull-Up Current

1.8

μA

EN UVLO Threshold

2.4

2.6

2.8

V

EN UVLO Threshold Hysteresis

250

mV