MP2363DN datasheet(2/11 Pages) MPS

2 / 11 page

MP2363 – 3A, 27V, 365KHz STEP-DOWN CONVERTER

MP2363 Rev. 1.0

www.MonolithicPower.com

6/15/2006

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

PACKAGE REFERENCE

GND

COMP

TOP VIEW

EXPOSED PAD

ON BACKSIDE

CONNECT TO PIN 4

Part Number*

Package

Temperature

MP2363DN

SOIC8N

–40

°C to +85°C

* For Tape & Reel, add suffix –Z (eg. MP2363DN–Z)

For RoHS Compliant Packaging, add suffix –LF (eg.

MP2363DN–LF–Z)

ABSOLUTE MAXIMUM RATINGS

(1)

Supply Voltage VIN....................... –0.3V to +28V

Switch Voltage VSW................. –1V to VIN + 0.3V

Boost Voltage VBS..........VSW – 0.3V to VSW + 6V

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 VIN............................ 4.75V to 27V

Ambient Operating Temp ..........–40

°C to +85°C

Thermal Resistance

(3)

θJA

θJC

SOIC8N .................................. 50 ...... 10...

°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 approximately 1” square of 1 oz copper.

ELECTRICAL CHARACTERISTICS

VIN = 12V, TA = +25°C, unless otherwise noted.

Parameters

Symbol Condition

Min

Typ

Max

Units

Shutdown Supply Current

VEN = 0V

µA

Supply Current

VEN = 3V, VFB = 1.4V

1.0

1.2

Feedback Voltage

VFB

4.75V

≤ VIN ≤ 27V

0.90

0.92

0.94

Error Amplifier Voltage Gain

(4)

AVEA

400

V/V

Error Amplifier Transconductance

GEA

∆ICOMP = ±10µA

500

800

1120

µA/V

High-Side Switch On-Resistance

(4)

RDS(ON)1

100

mΩ

Low-Side Switch On-Resistance

RDS(ON)2

Ω

High-Side Switch Leakage Current

VEN = 0V, VSW = 0V

0.1

µA

Short Circuit Current Limit

4.5

5.7

Current Sense to COMP Transconductance

GCS

7.0

A/V

Oscillation Frequency

315

365

415

KHz

Short Circuit Oscillation Frequency

VFB = 0V

KHz

Maximum Duty Cycle

DMAX

VFB = 0.8V

Minimum On Time

(4)

TON

120

EN Threshold Voltage

0.9

1.2

1.5

Enable Pull Up Current

VEN = 0V

0.9

1.4

2.2

µA

Under Voltage Lockout Threshold

VIN Rising

2.37

2.54

2.71

Under Voltage Lockout Threshold Hysteresis

210

Thermal Shutdown

(4)

160

°C

Note:

4) Guaranteed by design.

MP2363DN Scheda tecnica(PDF) 2 Page - Monolithic Power Systems

MP2363DN Scheda tecnica(HTML) 2 Page - Monolithic Power Systems

Html Pages

1 2 3 4 5 6 7 8 9 10 11

Scheda tecnica Scarica

Link URL