| PartNumber | ISL6521CBZ-T | ISL6521CBZ-TS2698 | ISL6521CBZ |
| Description | Switching Controllers 4 IN 1 PWM/LINEAR CNTRLR 5V | Switching Controllers 4 IN 1 PWM/LINEAR CNTRLR 5V | Switching Controllers 4 IN 1 PWM/LINEAR CNTRLR 5V |
| Manufacturer | Intersil | Intersil | Intersil |
| Product Category | PMIC - Voltage Regulators - Linear + Switching | PMIC - Voltage Regulators - Linear + Switching | PMIC - Voltage Regulators - Linear + Switching |
| Series | - | - | - |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tube |
| Package Case | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Function | Any Function | Any Function | Any Function |
| Voltage Supply | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V |
| Supplier Device Package | * | * | * |
| Number of Outputs | 4 | 4 | 4 |
| Topology | Step-Down (Buck) Synchronous (1), Linear (LDO) (3) | Step-Down (Buck) Synchronous (1), Linear (LDO) (3) | Step-Down (Buck) Synchronous (1), Linear (LDO) (3) |
| Frequency Switching | 300kHz | 300kHz | 300kHz |
| Voltage Current Output 1 | Controller | Controller | Controller |
| Voltage Current Output 2 | Adjustable, 120mA | Adjustable, 120mA | Adjustable, 120mA |
| Voltage Current Output 3 | Adjustable, 120mA | Adjustable, 120mA | Adjustable, 120mA |
| w LED Driver | No | No | No |
| w Supervisor | No | No | No |
| w Sequencer | No | No | No |