MP1517 – 3A, 25V, 1.1MHz STEP-UP CONVERTER

MP1517 Rev. 1.4

www.MonolithicPower.com

2

4/28/2006

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2006 MPS. All Rights Reserved.

PACKAGE REFERENCE

MP1517_PD01-QFN16

TOP VIEW

EXPOSED PAD

CONNECT TO PIN 13

PIN 1

IDENTIFICATION

COMP

NC

BP

EN

PGND

PGND

SW

SW

1

2

3

4

13

14

15

16

8

7

6

5

IN

OLS

NC

SGND

SGND

NC

SS

FB

12

11

10

9

Part Number*

Package

Temperature

MP1517DR

QFN16

(4mm x 4mm)

–40

°C to +85°C

For Lead Free, add suffix –LF (eg. MP1517DR–LF–Z)

ABSOLUTE MAXIMUM RATINGS

(1)

Voltage at All Other

Pins except OLS .................................–0.3V to +6V

Storage Temperature ..............–65

°C to +150°C

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

°C

Recommended Operating Conditions

(2)

Output Voltage................................. 3.3V to 25V

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

°C to +85°C

Thermal Resistance

(3)

QFN16 (4mm x 4mm)............. 46 ...... 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

Parameter

Symbol Condition

Min

Typ

Max

Units

IN Shutdown Supply Current

0.5

1.0

µA

IN Operating Supply Current

0.9

1.2

mA

BP Voltage

2.4

V

IN Undervoltage Lockout

Threshold

2.10

2.40

V

IN Undervoltage Lockout

Hysteresis

100

mV

EN Input Low Voltage

0.4

V

EN Input High Voltage

1.5

V

EN Input Hysteresis

100

mV

EN Input Bias Current

1

µA

SW Switching Frequency

0.9

1.1

1.3

MHz

SW Maximum Duty Cycle

85

93

%

Error Amplifier Voltage Gain

(4)

400

V/V

Error Amplifier Transconductance

350

µA/V

COMP Maximum Output Current

Sourcing and Sinking

30

µA

FB Regulation Threshold

679

700

721

mV

FB Input Bias Current

1

µA

SS Charging Current

During Soft-Start

2

µA