Description
® RT6154A/B High Efficiency Single Inductor Buck-Boost Converter General .
The RT6154A/B is a high efficiency single inductor BuckBoost Converter which can operate with wide input voltage such as battery which is higher or lo.
Features
* Operates from a Single Li-ion Cell : 1.8V to 5.5V
* Adjustable Output Voltage : 1.8V to 5.5V
* 3A Maximum Load Capability for VIN > 3.6V,
VOUT = 3.3V
* Power Save Mode (PSM) for Improving Low Output
Power Efficiency
* Fixed Frequency Operation at 2.4MHz and
Synchronization Poss
Applications
* Cellular Phones
* Portable Hard Disk Drives
* PDAs
Pin Configuration
(TOP VIEW)
VINA 1 GND 2
FB 3 VOUT 4 VOUT 5
LX2 6 LX2 7
PGND
15
14 PGOOD
13 PS/SYNC 12 EN 11 VIN 10 VIN 9 LX1 8 LX1
WDFN-14AL 4x3
Simplified Application Circuit
LX1 LX2
RT6154A
VIN
VIN
VOUT
VOUT
VINA
FB