RT4809
RT4809 is DC-DC Boost Converter manufactured by Richtek.
Description
The RT4809 is a DC-DC boost converter which is designed to provide the power of PWM controller. The RT4809 incorporates voltage mode, fixed-frequency, pulse width modulation (PWM) circuitry with a built in N-MOSFET to achieve high efficiency and fast transient response. The RT4809 input operating range is from 2.5V to 36V. The RT4809 is an optimized design for wide output voltage range applications.
Ordering Information
Package Type E : SOT-23-6
Lead Plating System G : Green
(Halogen Free and Pb Free)
Note : Richtek products are :
- Ro HS pliant and patible with the current requirements of IPC/JEDEC J-STD-020.
- Suitable for use in Sn Pb or Pb-free soldering processes.
Features
- Boost Converter to Supply PVO Voltage 11V
- Cycle by Cycle Current Limit Protection
- 2.5V to 36V Input Supply Voltage
- Fixed 1.3MHz Switching Frequency
- Ro HS pliant and Halogen Free
- Input Supply Under-Voltage Protection
Applications
- USB PD and Programmable Power Adapters
Pin Configuration
(TOP VIEW)
PVIN NC PHASE
GND NC PVO
SOT-23-6
Marking Information
6X=DNN
6X= : Product Code DNN : Date Code
Simplified Application Circuit
+ +
N-MOSFET
VBUS
BLD PGND
VG V9 VCP...