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TS3DDR32611 +BOM

3.5-V, 1.71-A peak, PCDDR3 termination regulator with low power mode operation

Produttore:

TI
ProduttorePart #:

TS3DDR32611
Scheda dati:

TS3DDR32611 Scheda dati (PDF)
Pacchetto/custodia:

48BGA
Tipologia di prodotto:

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
RoHS:
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per TS3DDR32611

TS3DDR32611 Descrizione generale

The TS3DDR32611 is a sink/source double data rate type III (PCDDR3) termination regulator with a 1% accuracy buffered reference output. It has built-in termination SPST switches that can be disconnected when the memory system undergoes lower speed operation without the need of voltage termination. Turning off these switches enables significant power saving on the memory system. The switches on-state resistance has a typical value of only 1.75Ω which helps retain signal integrity on the signal lines.

The TS3DDR32611 is powered from a 3.3V supply. The V_DDQ pin takes 1.2V to 1.8V input while the output voltage at V_TT pin is tracking 1/2 × V_DDQ. The regulator’s V_TT output is capable of sinking/sourcing up to 1A current, while the V_REF pin output is 1/2V_DDQ±1% × V_DDQ with 5mA current sinking/sourcing capability. The TS3DDR32611 has 4 modes of operation: high speed, low speed, V_REF mode and power down mode, depending on the control signals VTT_EN and ODT_EN. These different modes of operation provide flexibility to establish a memory system’s performance and power consumption.

The TS3DDR32611 is situated within a small 48 balls BGA package with only 4mm x 4mm in size, which makes it a perfect candidate to be used in mobile applications.

Caratteristiche principali

VDD Range – 3.0V to 3.6V
R_ON 1.75Ω typical
Channel Count – 26
V_DDQ – Input Voltage 1.2V to 3.5V
V_TT – V_DDQ/2 typical with 1A sink/source capability
V_REF – V_DDQ/2±1% × V_DDQ
Switch Time – (T_ON/OFF) 100ns Max
I_DD Supply Current
- High Speed Mode (I_DD,HS) 220 µA Max
- Low Speed Mode (I_DD,LS) 220 µA Max
- Power Down Mode (I_DD,PD) 5 µA Max
Special Features
- 1.8-V Compatible Control Inputs (VTT_EN, ODT_EN)
- High current Sinking/Sourcing Capability: 1A Max
48-Ball ZQC Package (4mm x 4mm, 0.5mm pitch)

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