MP3352 – 60V, 2.5A INTEGRATED PHOTO FLASH CHARGER WITH IGBT DRIVER AND QUENCH

MP3352 Rev. 0.9

www.MonolithicPower.com

2

11/12/2008

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2008 MPS. All Rights Reserved.

PACKAGE REFERENCE

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16

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Part Number*

Package

Temperature

MP3352DQ

QFN16-3

–40

°C to +85°C

For RoHS compliant packaging, add suffix –LF (e.g.

MP3352DQ–LF–Z)

ABSOLUTE MAXIMUM RATINGS

(1)

CHARGE, ISET, IGBTIN, RDYB, QREF, QSNS

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 (3mmx3mm)............... 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,

1

2

mA

Charge Complete,

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

50

µA

V(CHARGE)=Low

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

100K

Ω

1.36

1.51

1.66

A

0.4

0.5

0.6

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