EV2108DQ/DK-00A 查看數據表（PDF） - Monolithic Power Systems

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EV2108DQ/DK-00A

2A, 6V, 740KHz Synchronous Buck Converter

Monolithic Power Systems 

MP2108 – 2A, 6V, 740KHz SYNCHRONOUS BUCK CONVERTER

PACKAGE REFERENCE

TOP VIEW

BST 1

VIN 2

LX 3

PGND 4

SGND 5

10 RUN

9 VREF

8 COMP

7 FB

6 SS

Part Number* Package

Temperature

MP2108DK

MSOP10 –40°C to +85°C

* For Tape & Reel, add suffix –Z (eg. MP2108DK–Z)

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

MP2108DK–LF–Z)

ABSOLUTE MAXIMUM RATINGS (1)

Input Supply Voltage VIN ............................. 6.5V

LX Voltage VLX ..................... –0.3V to VIN + 0.3V

BST to LX Voltage ......................... –0.3V to +6V

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

Storage Temperature...............–55°C to +150°C

Recommended Operating Conditions (2)

Input Supply Voltage VIN ...................... 2.6V to 6

Output Voltage VOUT...........................0.9V to 5V

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

TOP VIEW

BST 1

VIN 2

LX 3

PGND 4

SGND 5

10 RUN

9 VREF

8 COMP

7 FB

6 SS

EXPOSED PAD

ON BACKSIDE

Part Number**

MP2108DQ

Package***

QFN10

(3mm x 3mm)

Temperature

–40°C to +85°C

** For Tape & Reel, add suffix –Z (eg. MP2108DQ–Z)

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

MP2108DQ–LF–Z)

*** Recommended for output currents higher than 1.5A

Thermal Resistance (3) θJA θJC

MSOP10 ................................ 150 ..... 65... °C/W

QFN10 (3mm x 3mm) ............. 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

VIN = 5.0V, TA = +25°C, unless otherwise noted.

Parameter

Symbol Condition

Min

Typ

Max Units

Input Voltage Range

VIN

Input Undervoltage Lockout

2.6

6

V

2.2

V

Input Undervoltage Lockout

Hysteresis

100

mV

Shutdown Supply Current

Operating Supply Current

VREF Voltage

RUN Input Low Voltage

RUN Input High Voltage

RUN Hysteresis

VRUN ≤ 0.3V

0.5

1.0

µA

VRUN > 2V, VFB = 1.1V

1.2

1.8

mA

VREF VIN = 2.6V to 6V

2.4

V

VIL

0.4

V

VHL

1.5

V

100

mV

RUN Input Bias Current

1

µA

MP2108 Rev 1.1

www.MonolithicPower.com

2

10/2/2006

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2006 MPS. All Rights Reserved.

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