DDR Termination Regulator Contents
| Part No. | Features | DDR | VIN(V) Min | VIN(V) Max | VCNTL(V) Min | VCNTL(V) Max | VREF (Typ) | IOUT(A) (Range) | Package | File |
|---|---|---|---|---|---|---|---|---|---|---|
| UR5595 | * Power regulating with driving and sinking capability * Low output voltage offset * No external resistors required * Low external component count * Linear topology * Low cost and easy to use * Thermal shutdown protection | DDR-I DDR-II SSTL-2 SSTL-3 HSTL Termination | 2.2 | 5.5 | - | - | 0.9V 1.25V | 1.5 | SOP-8 HSOP-8 |
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| UR5596 | * Support Both DDR-I (1.25 VTT) and DDR-II (0.9 VTT) Requirements * Capable of Sourcing and Sinking Current 1.5A/3A * Current-limiting Protection and Thermal Shutdown Protection * Integrated Power MOSFETs * Generates Termination Voltages for SSTL-2 * High Accuracy Output Voltage at Full-Load * Adjustable output voltage by External Resistors * Minimum External Components * Shutdown for Standby or Suspend Mode Operation with High-impedance Output. *Pb-free plating product number: UR5515L | DDR-I DDR-II SSTL-2 SSTL-3 HSTL Termination | 2.2 | 5.5 | - | - | 0.9V 1.25V | 1.5 | SOP-8 HSOP-8 |
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| UR5515 | * Support Both DDR-I (1.25 VTT) and DDR-II (0.9 VTT) Requirements * Capable of Sourcing and Sinking Current 1.5A/3A * Current-limiting Protection and Thermal Shutdown Protection * Integrated Power MOSFETs * Generates Termination Voltages for SSTL-2 * High Accuracy Output Voltage at Full-Load * Adjustable output voltage by External Resistors * Minimum External Components * Shutdown for Standby or Suspend Mode Operation with High-impedance Output. | DDR-I DDR-II SSTL-2 SSTL-3 | 1.6 | 6 | - | 6 | 0.9V 1.25V | 1.5 3 | SOP-8 TO-252-5 TO263-5 |
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| UR5512 | * DDR-I and DDR-II termination voltage applications * Driving and sinking current up to 2A * Low output voltage offset (within 20mV@¡À2A) * Adjustable output voltage by external resistors * Suspend to RAM (STR) functionality * Current limiting protection * Thermal protection * Cost-effective and easy to use | DDR-I DDR-II SSTL-2 SSTL-3 | 1.6 | 5.5 | 3.1 | 6 | 0.85V 1.75V | 2 | SOP-8 HSOP-8 TO-252-5 |
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| UR5513 | * VCNTL Voltage Range: 2.9~5.5V * VIN Voltage Range: 1.1V~3.5V * Support Ceramic Capacitors * Power Good Indicator * DDRIII,Low Power DDRIII/DDRIV VTT Applications * 2A Source/Sink VTT output * 10mA Source/Sink Reference output * Soft-start Function * UVLO and OCP Protection * Thermal Shutdown Protection | DDRIII Low Power DDRIII DDRIV | 1.1 | 3.5 | 2.9 | 5 | - | 2 | MSOP-10 DFN3030-10 |
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| UR6511 | *DDR1/ DDR2/DDR3/Low Power DDR3 termination voltage
applications *Sink and Source Current£º2A *Low output voltage offset within 20mV *Adjustable output voltage by external resistors *Integrated power MOS devices *Suspend to RAM(STR) functionality *Current Limiting Protection *Thermal Shutdown Protection *Cost-effective and easy to use | DDR1 DDR2 DDR3 Low Power DDR3 | 1 | 5.5 | 3 | 5.5 | - | 2 | HSOP-8 SOP-8 |
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| UR6512 | * DDR1/ DDR2/DDR3 Termination Voltage Applications * Adjustable Output Voltage by External Resistors * Integrated Power MOS Devices * Suspend to RAM(STR) Functionality * Current Limiting Protection * Thermal Shutdown Protection * Cost-Effective and Easy to Use | DDR-I DDR-II DDR-III | 1.5 | 2.5 | 3.3 | 5 | 0.75V 1.25V | 2 | HSOP-8 |
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| UR6516B | * Ideal for DDR-I ,DDR-II * Output Voltage could Drop Down to 0.6V * Source and Sink up to 2A, Without an External Heat Sink * Integrated Power MOSFETs * Output Voltage Varies though Adjusting External Resistors * ICCQ is Lower than 500uA at VCCA * Thermal Shutdown Protection, Current Limit Protection, and Short Circuit Protection Circuits Included * Shutdown for Standby or Suspend Mode Operation * Requiring Minimum External Components | DDR-I DDR-II SSTL-2 SSTL-3 | 1 | 6 | 3.15 | 6 | 0.75V 0.9V 1.25V | 2 | SOP-8 |
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| UR6515C | * DDR1/ DDR2/DDR3 termination voltage applications * Sink and Source Current 2A Contious Current * Adjustable output voltage by external resistors * Integrated power MOS devices * Suspend to RAM(STR) functionality * Current Limiting Protection * Thermal Shutdown Protection * Cost-effective and easy to use | DDR-I DDR-II DDR-III | 1.5 | 2.5 | 3.3 | 5 | 0.75V 0.9V 1.25V | 2 | HSOP-8 |
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| UR5516 | * Provide bi-direction current - Sourcing or sinking current up to 3A * 1.25V/0.9V output for DDR I/II applications * Fast transient response * High output accuracy - ¡À20mv over load, VOUT offset and temperature * Adjustable output voltage by external resistors * Current-limit protection * On-chip thermal shutdown * Shutdown for standby or suspend mode | DDRI DDRII | 1.2 | 3.5 | 3.1 | 6 | 0.85V 1.75V | 3 | SOP-8 HSOP-8 TO-252-5 TO-263-5 |
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| UR5516A | 3.0A for DDR-I; DDR-II; SSTL-2 and SSTL-3 Bus Termination 1.25V and 0.9V Output | DDR-I DDR-II SSTL-2 SSTL-3 | 1.2 | 3.5 | 3.1 | 6 | 0.85V 1.75V | 3 | SOP-8 HSOP-8 TO-252-5 TO-263-5 |
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| UR5516B | 3.0A for DDR-I; DDR-II; SSTL-2 and SSTL-3 Bus Termination 1.25V and 0.9V Output | DDR-I DDR-II SSTL-2 SSTL-3 | 1.2 | 3.5 | 3.1 | 6 | 0.85V 1.75V | 3 | SOP-8 HSOP-8 TO-252-5 TO-263-5 |
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| UR5516C | 3.0A for DDR-I; DDR-II; SSTL-2 and SSTL-3 Bus Termination 1.25V and 0.9V Output | DDR-I DDR-II SSTL-2 SSTL-3 | 1.2 | 3.5 | 3.1 | 6 | 0.85V 1.75V | 3 | SOP-8 HSOP-8 TO-252-5 TO-263-5 |
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| UR6515A | * DDR1/ DDR2 termination voltage applications * Low output voltage offset within 20mV * Source and sink 3A peak current * Adjustable output voltage by external resistors * Integrated power MOS devices * Suspend to RAM(STR) functionality * Current Limiting Protection * Thermal Shutdown Protection * Cost-effective and easy to use | DDR-I DDR-II | 1.5 | 2.5 | 3 | 5 | 0.75V 0.9V 1.25V | 3 | TO-252-5 TO-263-5 |
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| UR6515D | * DDR1/ DDR2/DDR3 termination voltage applications * Sink and Source Current -2A Continues Current -Peak 3A for DDR1&DDR2 -Peak 2.5A for DDR3 * Low output voltage offset within 20mV * Source and sink 3A peak current * Adjustable output voltage by external resistors * Integrated power MOS devices * Suspend to RAM(STR) functionality * Current Limiting Protection * Thermal Shutdown Protection | DDR-I DDR-II DDR-III | 1.5 | 2.5 | 3.3 | 5 | 0.75V 0.9V 1.25V | 3 | HSOP-8 |
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| UR5517 | * Input Voltage Range:3~5.5V * VLDOIN Voltage Range:1.2V~3.6V * DDR1/2/3 Termination Voltage Applications * Sourcing and Sinking Current up to 3A * ¡À20mV Accuracy for VTT and VTTREF * 10mA Buffered Reference(VTTREF) * Supports High-Z in S3(STR) and Soft-off in S5(Shutdown) * Integrated Divider Tracks 1/2 VDDQSNS for Both VTT & VTTREF * Built-In Soft-Start * Current Limiting Protection * Thermal Shutdown Protection | DDR-I DDR-II DDR-III | 3 | 5.5 | 1.3 | 3.6 | 0.75V 0.9V 1.25V | 3 | MSOP-10 HMSOP-8 MSOP-8 HMSOP-10 DFN3030-10 |
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| UR6517 | *DDR1/ DDR2/DDR3/DDR4 termination voltage applications *Sink and Source Current DDR2 1.8A Sink/Source @ VIN=1.8V DDR3 1.5A Sink/Source @ VIN=1.5V LPDDR3 1.2A Sink/Source @ VIN=1.35V DDR4 1.2A Sink/Source @ VIN=1.2V *Low output voltage offset within 20mV *Adjustable output voltage by external resistors *Integrated power MOS devices *Suspend to RAM(STR) functionality *Current Limiting Protection *Thermal Shutdown Protection *Cost-effective and easy to use | DDR-I DDR-II DDR-III DDR-IV | 1 | 5.5 | 3.3 | 5 | 0.6V~0.9V | 1.8 | HSOP-8 |
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