 Features
 Low RDS(ON) for internal switches (top / bottom)
260 mΩ / 180 mΩ, 1.0 A
 2.5 V ~ 5.5 V input voltage range
 25 μA typical quiescent current
 High switching frequency 1.65 MHz minimizes
the external components
 Operation mode:
DIO60010: Auto mode
DIO60010A: Forced PWM operation
 100% dropout operation
 Output discharge function
 Power-good output
 Fixed frequency COT architecture achieve ultra
fast transient response
 Internal soft start limits the inrush current
 Operating temperature range: -40°C to 85°C
 Applications
 Portable navigation devices
 Set top boxes
 USB dongle
 Media players
 Smart phones
 Description
The DIO60010/A is a high-efficiency synchronous
step-down DC-DC regulator. The DIO60010/A can
achieve up to 1 A continuous output current from a
2.5 V to 5.5 V input voltage with excellent load and
line regulation. The output voltage can be regulated
to as low as 0.6 V.
Constant-on-time(COT) control provides a fast
transient response and eases loop stabilization. The
DIO60010 includes an automatically entered power
save mode to maintain high efficiency down to very
light loads for extending the system battery run-time.
The DIO60010A runs in Forced PWM maintaining a
continuous conduction mode to ensure the least
ripple in the output voltage and a quasi-fixed
switching frequency. The device features a
Power-good signal.
The DIO60010/A is ideal for a wide range of
applications, including portable navigation devices,
set top boxes and media players.