Product Summary

The RT8207GQW is a Complete DDRII/DDRIII Memory Power Supply Controller. It provides a complete power supply for both DDRII/DDRIII memory systems. The RT8207GQW integrates a synchronous PWM buck controller with a 3A sink/source tracking linear regulator and a buffered low noise reference. The applications of the RT8207GQW are DDRII/DDRIII Memory Power Supplies, Notebook Computers, SSTL18, SSTL15 and HSTL Bus Termination.

Parametrics

RT8207GQW absolute maximum ratings: (1)DC:-0.3V to 32V; (2)<20ns:-8V to 38V; (3)PHASE to BOOT:–6V to 0.3V; (4)VDD, VDDP, CS, MODE, S3, S5, VTTSNS, VDDQ, DEM to GND:–0.3V to 6V; (5)VTTREF, VTT, VLDOIN, FB, PGOOD to GND:–0.3V to 6V; (6)Junction Temperature:150°C; (7)Lead Temperature (Soldering, 10 sec.):260°C; (8)Storage Temperature Range:–65°C to 150°C.

Features

RT8207GQW features: (1)Battery Input Range 2.5V to 26V; (2)Resistor Programmable Frequency; (3)Over/Under Voltage Protection; (4)4 Steps Current Limit During Soft-Start; (5)Drives Large Synchronous-Rectifier FETs; (6)Power-Good Indicator; (7)3A LDO (VTT), Buffered Reference (VTTREF); (8)Capable to Sink and Source Up to 3A; (9)LDO Input Available to Optimize Power Losses; (10)Requires Only 20μ μ μ μ μF Ceramic Output Capacitor; (11)Buffered Low Noise 10mA VTTREF Output; (12)Accuracy ± ± ± ± ±20mV for Both VTTREF and VTT; (13)Supports High-Z in S3 and Soft-Off in S4/S5.

Diagrams

RT8207GQW block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
RT8207GQW
RT8207GQW

IC CTRLR DDR2/3 MEM PS 24WQFN
Data Sheet
0-1: $0.89
1-10: $0.79
10-25: $0.71
25-100: $0.62
100-250: $0.54
250-500: $0.48
500-1000: $0.38
Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
RT8202AGQW
RT8202AGQW

IC REG CTRLR BUCK PWM CM 16WQFN
Data Sheet
0-1: $0.53
1-10: $0.47
10-25: $0.41
25-100: $0.36
100-250: $0.31
250-500: $0.27
500-1000: $0.21
RT8202GQW
RT8202GQW

IC REG CTRLR BUCK PWM CM 16WQFN
Data Sheet
0-2500: $0.21
RT8203
RT8203
Other

Data Sheet
Negotiable 
RT8203GA
RT8203GA

IC CTRLR SMPS STPDN DUAL 28SSOP
Data Sheet
0-2500: $0.52
RT8204
RT8204
Other

Data Sheet
Negotiable 
RT8204AGQW
RT8204AGQW

IC REG DL BCK/LINEAR SYNC 16WQFN
Data Sheet
0-1: $0.58
1-10: $0.52
10-25: $0.47
25-100: $0.41
100-250: $0.36
250-500: $0.32
500-1000: $0.25