RT2657BQ Description
The RT2657BQ is a high efficiency Pulse-WidthModulated (PWM) step-down DC/DC converter, capable of delivering 600mA output current over a wide input voltage range from 2.7V to 5.5V. The RT2657BQ is ideally suited for portable electronic devices that are powered from 1cell Li-ion battery or from other power sources such as cellular phones, PDAs, hand-held devices, game console and related accessories. The internal...
RT2657BQ Key Features
- VIN Range 2.7V to 5.5V
- VOUT Range 0.6V to 5.5V (100% Duty Ratio Operation)
- VREF = 0.6V
- ISD ≤ 5μA (VEN = 0V)
- Current Mode Control, Internal pensation
- Fixed FSW 2.25MHz
- RDS(ON) 230mΩ HS/250mΩ LS (P-MOSFET/
- Enable (VIH = 1V, VIL = 0.4V)
- Internal Soft-Start (0.3ms)
- Up to 600mA Output Current
RT2657BQ Applications
- VIN Range 2.7V to 5.5V
- VOUT Range 0.6V to 5.5V (100% Duty Ratio Operation)