Figure 3. SOIC-8 Layout See Pa…
Texas InstrumentsUnited States
IC DDR-II TERMINATION REG 8-SOIC
LP2997M/NOPB is a linear regulator for DDR-II SSTL-18 termination, outputting VTT = VDDQ/2 with 500mA continuous current, featuring thermal shutdown and Suspend to RAM, in SOIC-8 package.Checked against the datasheet
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Datasheet-verified parameters
22 items| Parameter | Value and test conditions | Source |
|---|---|---|
| Package | SOIC (D), 8 Pins | |
| Operating Temperature | 0°C to +125°C | |
| RoHS | Yes | |
| Input Voltage Range (AVIN) | 2.2V to 5.5V | |
| Output Current (Continuous) | 500mA | |
| Output Current (Transient Peak) | 900mA |
All parameters (12)
| Power | |
|---|---|
| Current - Supply | 320µA |
| Voltage - Supply | 2.2V ~ 5.5V |
| Environment and package | |
| Mounting Type | Surface Mount |
| Operating Temperature | 0°C~125°C |
| Package | Tube |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Other | |
| Applications | DDR-II Terminator |
| Base Product Number | LP2997 |
| Mfr | Texas Instruments |
| Product Status | Active |
| Series | - |
Pinout and package
Figure 3. SOIC-8 Layout See Pa…
| Pin | Name | Function | Source |
|---|---|---|---|
| 1 | GND, Ground | ||
| 2 | SD, Shutdown (Active Low) | ||
| 3 | VSENSE, Feedback pin for regulating VTT | ||
| 4 | VREF, Buffered internal reference voltage of VDDQ/2 | ||
| 5 | VDDQ, Input for internal reference equal to VDDQ/2 | ||
| 6 | AVIN, Analog input pin | ||
| 7 | PVIN, Power input pin | ||
| 8 | VTT, Output voltage for connection to termination resistors |
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