| Part Number | Status | No. of Outputs | Frequency(Max)(kHz) | A/D Channels | Analog Comparators | Communications | Compensator | DPWM Resolution(ps) | GPIOs | No. of Digital Power Peripheral feedback loops | Non-Volatile Memory | Processor | Rating | Operating Temperature Range(C) | Package Group | Approx. Price (US$) |
| UCD3138128 | ACTIVE | 8 | 2000 | 14 | 7 | 1 SPI, 2 I2C, 2 PMBUS, 2 UART | 2-pole/2-zero (PID hardware) | 250 | 43 | 3 | 128kB (Program), 2kB (Data) | 31.25MHz, 32-bit ARM7 | Catalog | -40 to 125 | TQFP | 5.90 | 1ku |
| UCD3138A64 | ACTIVE | 8 | 2000 | 14 | 7 | 1 SPI, 2 I2C, 2 PMBUS, 2 UART | 2-pole/2-zero (PID hardware) | 250 | 43 | 3 | 2kB (Data), 64kB (Program) | 31.25MHz, 32-bit ARM7 | Catalog | -40 to 125 | TQFP | 5.50 | 1ku |
| UCD3020A | ACTIVE | 6 | 2000 | 9 | 4 | 1 PMBUS, 1 UART, 1 SPI | 3-pole/3-zero | 250 | 21 | 2 | 32kB (Program), 2kB (Data) | 31.25MHz, 32-bit ARM7 | Catalog | -40 to 125 | VQFN | 2.45 | 1ku |
| UCD8220-Q1 | ACTIVE | 2000 | Automotive | -40 to 125 | HTSSOP | 1.90 | 1ku | ||||||||||
| UCD3138RMH | ACTIVE | 8 | 2000 | 7 | 6 | 1 PMBUS, 1 UART | 2-pole/2-zero (PID hardware) | 250 | 18 | 3 | 32kB (Program), 2kB (Data) | 31.25MHz, 32-bit ARM7 | Catalog | -40 to 125 | WQFN | 2.70 | 1ku |
| UCD3138RGC | ACTIVE | 8 | 2000 | 14 | 7 | 1 PMBUS, 2 UART | 2-pole/2-zero (PID hardware) | 250 | 30 | 3 | 32kB (Program), 2kB (Data) | 31.25MHz, 32-bit ARM7 | Catalog | -40 to 125 | VQFN | 4.10 | 1ku |
| UCD3138RHA | ACTIVE | 8 | 2000 | 7 | 6 | 1 PMBUS, 1 UART | 2-pole/2-zero (PID hardware) | 250 | 18 | 3 | 32kB (Program), 2kB (Data) | 31.25MHz, 32-bit ARM7 | Catalog | -40 to 125 | VQFN | 2.70 | 1ku |
| UCD3028 | ACTIVE | 8 | 2000 | 9 | 4 | 1 PMBUS, 1 UART | 3-pole/3-zero | 250 | 20 | 2 | 32kB (Program), 2kB (Data) | 31.25MHz, 32-bit ARM7 | Catalog | -40 to 125 | VQFN, WQFN | 2.35 | 1ku |
| UCD3020 | ACTIVE | 6 | 2000 | 9 | 4 | 1 PMBUS, 1 UART, 1 SPI | 3-pole/3-zero | 250 | 21 | 2 | 32kB (Program), 2kB (Data) | 31.25MHz, 32-bit ARM7 | Catalog | -40 to 125 | VQFN | 2.45 | 1ku |
| UCD3040PFC | ACTIVE | 8 | 2000 | 15 | 4 | 1 PMBUS, 1 UART, 1 SPI | 3-pole/3-zero | 250 | 33 | 4 | 32kB (Program), 2kB (Data) | 31.25MHz, 32-bit ARM7 | Catalog | -40 to 125 | TQFP | 3.75 | 1ku |
| UCD3040RGC | ACTIVE | 8 | 2000 | 15 | 4 | 1 PMBUS, 1 UART, 1 SPI | 3-pole/3-zero | 250 | 26 | 4 | 32kB (Program), 2kB (Data) | 31.25MHz, 32-bit ARM7 | Catalog | -40 to 125 | VQFN | 3.75 | 1ku |
| UCD8220 | ACTIVE | 2000 | Catalog | -40 to 105 | HTSSOP, QFN | 1.95 | 1ku | ||||||||||
| UCD3138A | ACTIVE | 8 | 2000 | 14 | 7 | 1 PMBUS, 2 UART | 2-pole/2-zero (PID hardware) | 250 | 30 | 3 | 2kB (Data), 32kB (Program) | 31.25MHz, 32-bit ARM7 | Catalog | -40 to 125 | WQFN | 2.80 | 1ku |
