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Chip Richtek RT8248A, Complete DDR Memory Power Supply Controller, new

ID: 1139

Reference: RT8248A

Condition: New product

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Data sheet

Warranty	1 month

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Chip Richtek RT8248A, Complete DDR Memory Power Supply Controller, new

The RT8248A provides a complete power supply for DDR2/
DDR3/DDR3L/LPDDR3/DDR4 memory systems. It
integrates a synchronous PWM Buck controller with a
1.5A sink/source tracking linear regulator and buffered low
noise reference.

PWM Controller
- Adjustable Current Limit with Low-Side RDS(ON) Sensing
- Low Quiescent Supply Current
- Quick Load-Step Response within 100ns
- 1% VVDDQ Accuracy Over Line and Load
- Adjustable 0.675V to 3.3V Output Range for 1.8V (DDR2), 1.5V (DDR3), 1.35V (DDR3L), 1.2V (LPDDR3) and 1.2V (DDR4)
- 4.5V to 26V Battery Input Range
- Resistor Adjustable Frequency
- Over-/Under-Voltage Protection
- Internal Voltage Ramp Soft-Start
- Drives Large Synchronous Rectifier MOSFETs
- Power Good Indicator
1.5A LDO (VTT), Buffered Reference (VTTREF)
- Capable to Sink and Source Up to 1.5A
- LDO Input Available to Optimize Power Losses
- Requires Only 10μF Ceramic Output Capacitor
- Integrated Divider Tracks 1/2 VDDQ for both VTT and VTTREF
- Accuracy ±20mV for both VTTREF and VTT
- Supports High-Z in S3 and Soft-Off in S4/S5

Datasheet RT8248А