Description
SY26533 High Efficiency 1MHz, 33V Output, Boost Converter General .
The SY26533 is a high efficiency, current-mode control, asynchronous Boost converter with an integrated 400mΩ RDS(ON) N-channel MOSFET.
Features
* Wide Input Range: 3-30V
* Output Voltage Range: VIN to 33VOUT, MAX
* 1MHz Switching Frequency
* Minimum ON Time: 100ns typical
* Minimum OFF Time: 100ns typical
* Low RDS(ON): 400mΩ
* RoHS Compliant and Halogen Free
* Accurate Reference: 1.24VREF
* Compact Packa
Applications
* Digital Cameras
* PDA, PMP, MP3
* LED/ Backlight Drivers
Typical Application
VIN 5V
CIN 10µF
L1 22µH
IN
LX
VOUT 12V
COUT 10µF
ON/ OFF
EN
FB
GND
R3 1M
R1 100k R2 11.5k
Figure 1. Schematic Diagram
Efficiency (%)
Efficiency vs. Load Current
(L=22µH/VLP6045LT-220M) 95
90
85
