Document
ACT6330
Rev0, 02-Apr-08
www.DataSheet4U.com
Dual PWM Step-Up DC/DCs in TQFN33 FEATURES
• Multiple Patents Pending • Two Integrated Regulators
− PWM Step-Up DC/DC with OVP for WLED Bias − PWM Step-Up DC/DC Converter with OVP
GENERAL DESCRIPTION
The patent-pending ACT6330 integrates two stepup DC/DC into a single, thin, space-saving package to provide a cost-effective, highly-efficient ActivePMUTM power management solution. This device is ideal for a wide range of portable handheld equipment that can benefit from the advantages of ActivePMU technology but does not require a high level of integration. REG1 and REG2 are fixed-frequency, current mode PWM step-up DC/DC converter. REG1 is optimized for high-efficiency WLED bias applications. REG2 is optimized for voltage regulation applications, while together these output can provide a complete TFT bias and backlighting solution for portable handheld equipment. The ACT6330 is available in a tiny 3mm x 3mm 16 pin Thin-QFN package that is just 0.75mm thin.
• Independent Enable/Disable Control • Minimal External Components • 3×3mm, Thin-QFN (TQFN33-16) Package
− Only 0.75mm Height − RoHS Compliant
APPLICATIONS
• • • •
Portable Devices and PDAs MP3/MP4 Players Wireless Handhelds GPS Receivers
SYSTEM BLOCK DIAGRAM
Battery
REG1
Step-Up DC/DC System Control
OUT1 WLED Bias Up to 18 LEDs
ON1 ON2
Pb-free
REG2
ACT6330
Active
Step-Up DC/DC
OUT2 Up to 20V
PMU
TM
Innovative PowerTM
ActivePMUTM is a trademark of Active-Semi.
-1-
www.active-semi.com Copyright © 2008 Active-Semi, Inc.
www.DataSheet4U.com
ACT6330
Rev0, 02-Apr-08
FUNCTIONAL BLOCK DIAGRAM
ACT6330
IN UVLO
To Battery SW1 OVP1 OUT1
ON1
REG1
FB1 GP12
ON2
SW2 OVP2 REG2 FB2 GP12
To Battery OUT2
GA
Innovative PowerTM
ActivePMUTM is a trademark of Active-Semi.
-2-
www.active-semi.com Copyright © 2008 Active-Semi, Inc.
www.DataSheet4U.com
ACT6330
Rev0, 02-Apr-08
ORDERING INFORMATION
PART NUMBER
ACT6330QK-T
PACKAGE
TQFN33-16
PINS
16
TEMPERATURE RANGE
-40°C to +85°C
All Active-Semi product are offered in lead-free RoHS Compliant packaging. The term “Pb-free” means semiconductor products that are in compliance with current RoHS (Restriction of Hazardous Substances) standards.
PIN CONFIGURATION
TOP VIEW
GA
16 GA GA GA FB1 1 2 3 4 5 6
15
ACT6330
EP 7 8
GA SW1
14
GA
13 12 11 10 9 ON1 ON2 FB2 OVP2
IN
Thin - QFN (TQFN 33-16)
OVP1
SW2
GP12
Innovative PowerTM
ActivePMUTM is a trademark of Active-Semi.
-3-
www.active-semi.com Copyright © 2008 Active-Semi, Inc.
www.DataSheet4U.com
ACT6330
Rev0, 02-Apr-08
PIN DESCRIPTIONS
PIN
1, 2, 3, 14, 15, 16 4 5 6 7 8 9 10 11 12 13 EP
NAME
GA FB1 OVP1 SW1 GP12 SW2 OVP2 FB2 ON2 ON1 IN EP
DESCRIPTION
Analog Ground. Connect GAs directly to a quiet ground node. Connect GAs and GP12 together at a single point as close to the IC as possible. Feedback Sense for REG1. Connect this pin to the LED string current sense resistor to sense the LED current. Over-Voltage Protection Input for REG1. Connect this pin directly to the output node to sense and prevent over-voltage conditions. Switching Node Output for REG1. Connect this pin to the switching end of the inductor. Power Ground for REG1, REG2. Connect GP12 directly to a power ground plane. Connect GAs and GP12 together at a single point as close to the IC as possible. Switching Node Output for REG2. Connect this pin to the switching end of the inductor. Over-Voltage Protection Input for REG2. Connect this pin directly to the output node to sense and prevent over-voltage conditions. Feedback Sense for REG2. Connect this pin to the center point of a resistive voltage divider to sense output voltage. Enable Control Input for REG2. Drive ON2 to IN or to a logic high for normal operation, drive to GA or a logic low to disable REG2. Enable Control Input for REG1. Drive ON1 to IN or to a logic high for normal operation, drive to GA or a logic low to disable REG1. Power Input for the IC. Bypass IN to GA with a capacitor placed as close as possible to the IC. Exposed Pad. Must be soldered to ground on the PCB.
Innovative PowerTM
ActivePMUTM is a trademark of Active-Semi.
-4-
www.active-semi.com Copyright © 2008 Active-Semi, Inc.
www.DataSheet4U.com
ACT6330
Rev0, 02-Apr-08
ABSOLUTE MAXIMUM RATINGSc
PARAMETER
IN, ON1, ON2, FB1, FB2 to GA OVP1, OVP2, SW1, SW2 to GP12 GP12 to GA Junction to Ambient Thermal Resistance (θJA) Operating Temperature Range Junction Temperature Store Temperature Lead Temperature (Soldering, 10 sec)
VALUE
-0.3 to +6 -0.3 to +25 -0.3 to +0.3 33.3 -40 to 85 125 -55 to 150 300
UNIT
V V V °C/W °C °C °C °C
c: Do not exceed these limits to prevent damage to the device. Exposure to absolute maximum rating conditions for long periods may affect device reliability.
Innovative PowerTM
ActivePMUTM is a trademark of Active-Semi.
-5-
www.active-semi.com Copyright © 2008 Active-Semi, Inc.
www.DataSheet4U.com
ACT6330
Rev0, 02-Apr-08
WLED BIAS DC/DC CONVERTER (REG1) ELECTRICAL CHAR.