MP2303DN datasheet(2/14 Pages) MPS

2 / 14 page

MP2303 – 3A, 28V, 340KHz SYNCHRONOUS RECTIFIED, STEP-DOWN CONVERTER

INITIAL RELEASE – SPECIFICATIONS SUBJECT TO CHANGE

MP2303 Rev. 0.92

www.MonolithicPower.com

5/2/2006

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

PACKAGE REFERENCE

Part Number*

Package

Temperature

MP2303DN

SOIC8N

(Exposed Pad)

–40°C to +85°C

* For Tape & Reel, add suffix –Z (eg. MP2303DN–Z)

For RoHS compliant packaging, add suffix –LF (eg.

MP2303DN–LF–Z)

ABSOLUTE MAXIMUM RATINGS

(1)

Supply Voltage VIN .......................–0.3V to +30V

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

Part Number*

Package

Temperature

MP2303DQ

3mm x 3mm

QFN10

–40°C to +85°C

* For Tape & Reel, add suffix –Z (eg. MP2303DQ–Z)

For RoHS compliant packaging, add suffix –LF (eg.

MP2303DQ–LF–Z)

Recommended Operating Conditions

(2)

Input Voltage VIN............................ 4.75V to 28V

Output Voltage VOUT ........................ 0.8V to 25V

Ambient Operating Temperature ... –40°C to +85°C

Thermal Resistance

(3)

θJA

θJC

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

°C/W

3x3 QFN10 ............................. 50 ...... 12...

°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

(4)

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

Parameter

Symbol Condition

Min

Typ

(4)

Max

Units

Shutdown Supply Current

VEN = 0V

0.3

3.0

µA

Supply Current

VEN = 2.7V, VFB = 1.0V

1.3

1.5

4.75V

≤ VIN ≤ 28V,

TA = +25°C

0.780

0.800

0.820

Feedback Voltage

VFB

–40

°C ≤ TA ≤ +85°C

0.772

0.828

OVP Threshold Voltage

0.90

0.95

1.00

Error Amplifier Voltage Gain

AEA

400

V/V

Error Amplifier Transconductance

GEA

∆IC = ±10µA

550

820

1100

µA/V

GND

COMP

TOP VIEW

MP2303_PD01_SOIC8N

MP2303_PD02_QFN10

TOP VIEW

GND

COMP

EXPOSED PAD

ON BACKSIDE

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