MP3351 – 60V, 2A INTEGRATED PHOTO FLASH CHARGER WITH IGBT DRIVER

MP3351 Rev. 0.91

www.MonolithicPower.com

2

9/2/2008

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2008 MPS. All Rights Reserved.

PACKAGE REFERENCE

1

2

3

4

13

14

15

16

8

7

6

5

12

11

10

9

Part Number*

Package

Temperature

MP3351DQ

QFN16-3

–40

°C to +85°C

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

MP3351DQ–LF–Z)

CHARGE, ISET, IGBTIN, RDYB to GND..-0.3V to 6V

FB to GND ........................................-0.3V to 6V

SW to GND.....................................-0.3V to 60V

Maximum Operating Frequency .............400kHz

Operating Temperature Ranges ....-40°C to +85°C

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

Junction Temperature.............................+150°C

Lead Temperature (Solder) ....................+260°C

Thermal Resistance

(2)

QFN16 (3mm x 3mm)............. 50 ...... 12...

°C/W

Notes:

1) Exceeding these ratings may damage the device.

2) Measured on approximately 1” square of 1 oz copper.

ELECTRICAL CHARACTERISTICS

Parameter

Conditions

Min

Typ

Max

Unit

Photoflash Capacitor Charger

3

6

V

Rising edge, hysteresis = 200mV

2.7

2.8

2.9

V

V(CHARGE)=High, V(SW) = 0, free

2.5

5

mA

V(CHARGE)=High, V(FB) = 1.3V

50

µA

1

µA

2

µA

SW ON resistance between SW

and GND

Switch turn-on

0.2

Ω

Charge Input High Voltage

2.4

V

Charge Input Low Voltage

0.6

V

Pull-down resistance of

CHARGE pin

V(CHARGE)=3.3V

100

kΩ

1.08

1.20

1.32

A

0.3

0.5

0.7

A

Charge completion detect

voltage at FB

1.176

1.20

1.224

V

FB input bias current I(FB)

-0.2

0.2

µA

DCM Comparator threshold

With 1.2KΩ (1%) connected to FB

15

25

35

mV