| Device | Topology | Topology Characteristic | Control Mode | UVLO Rising (V) | UVLO Falling (V) | VBIAS (max) | No-Load Operating Current | # of PWM Outputs | FET Driver IOUT (max) | Max Duty Cycle (%) | Qualification Level | Package Type | Temp Range | MSRP ($/1K Units) |
| ISL6401 | Single-Ended | Peak Current Mode | 4.1 V | 3.6 V | 7 V | 3.7 mA | 1 | 1.0 A | 50 | QFN16, SOIC14 | -40 to 85 | $2.43 | ||
| ISL6722A | Single-Ended | Flyback or Forward (two switch) | Peak Current Mode | 8.25 V | 7.7 V | 20 V | 4.5 mA | 1 | 1.0 A | 100 | QFN16, SOIC16, TSSOP16 | -40 to 105 | $1.89 | |
| ISL78215 | Single-Ended | Peak Current Mode | 7 V | 6.6 V | 20 V | 3.3 mA | 1 | 1.0 A | 48 | Automotive | MSOP8 | -40 to 105 | $1.27 | |
| ISL8845A | Single-Ended | Flyback | Peak Current Mode | 8.4 V | 7.6 V | 30 V | 2.9 mA | 1 | 1.0 A | 50 | MSOP8, SOIC8 | -55 to 125 | $1.12 | |
| ISL6740A | Double-Ended | Half-Bridge or Full Bridge (Telecom) Hard SW | Voltage Mode | 7.25 V | 6.75 V | 20 V | 5 mA | 2 | 0.5 A | 100 | TSSOP16 | -40 to 85 | $2.55 | |
| ISL6753 | Zero-Voltage-Switching (ZVS) | Full-Bridge ZVS | Peak Current Mode or Voltage Mode | 8.75 V | 7 V | 20 V | 5 mA | 4 | 0.1 A | 100 | QSOP16 | -40 to 105 | $1.84 | |
| ISL6752 | Zero-Voltage-Switching (ZVS) | Full-Bridge ZVS | Peak Current Mode | 8.75 V | 7 V | 20 V | 6 mA | 6 | 0.1 A | 99 | QSOP16 | -40 to 105 | $2.59 | |
| ISL6755 | Zero-Voltage-Switching (ZVS) | Full-Bridge ZVS | Peak Current Mode or Voltage Mode | 8.75 V | 7 V | 20 V | 11 mA | 4 | 0.1 A | 100 | QSOP20 | -40 to 105 | $2.59 | |
| ISL6754 | Zero-Voltage-Switching (ZVS) | Full-Bridge ZVS | Peak Current Mode or Voltage Mode | 8.75 V | 7 V | 20 V | 11 mA | 6 | 0.1 A | 99 | QSOP20 | -40 to 105 | $2.65 | |
| ISL6744A | Double-Ended | Half-Bridge or Full Bridge (Telecom) Hard SW | Voltage Mode | 6.2 V | 5.7 V | 20 V | 3 mA | 2 | 1.0 A | 100 | MSOP8, SOIC8 | -40 to 105 | $1.51 | |
| ISL8842A | Single-Ended | Flyback | Peak Current Mode | 14.4 V | 8.8 V | 30 V | 2.9 mA | 1 | 1.0 A | 100 | MSOP8, SOIC8 | -55 to 125 | $1.12 | |
| ISL8840A | Single-Ended | Flyback | Peak Current Mode | 7 V | 6.6 V | 30 V | 2.9 mA | 1 | 1.0 A | 100 | MSOP8, SOIC8 | -55 to 125 | $1.12 | |
| ISL6740 | Double-Ended | Half-Bridge or Full Bridge (Telecom) Hard SW | Voltage Mode | 7.25 V | 6.75 V | 20 V | 5 mA | 2 | 0.5 A | 100 | SOIC16, TSSOP16 | -40 to 85 | $2.43 | |
| ISL8843 | Single-Ended | Flyback | Peak Current Mode | 8.4 V | 7.6 V | 30 V | 2.9 mA | 1 | 1.0 A | 100 | MSOP8, SOIC8 | -55 to 125 | $1.12 | |
| ISL6721 | Single-Ended | Flyback or Forward (two switch) | Peak Current Mode | 8.25 V | 7.7 V | 20 V | 4.5 mA | 1 | 1.0 A | 100 | SOIC16, TSSOP16 | -40 to 105 | $2.03 | |
| ISL6721A | Single-Ended | Flyback or Forward (two switch) | Peak Current Mode | 6.8 V | 6.2 V | 20 V | 4.5 mA | 1 | 1.0 A | 100 | QFN16, TSSOP16 | -40 to 105 | $2.03 | |
| ISL6726 | Single-Ended | Active clamp forward | Active clamp forward, Asymmetric half-bridge, Interleaved active clamp forward | 7.65 V | 6.23 V | 20 V | 10 mA | 1 | 1.0 A | 100 | QSOP20 | -40 to 105 | $2.57 | |
| ISL6842 | Single-Ended | Peak Current Mode | 14.4 V | 8.8 V | 20 V | 2.3 mA | 1 | 1.0 A | 100 | DFN8, MSOP8, SOIC8 | -40 to 85 | $0.97 | ||
| ISL6843 | Single-Ended | Peak Current Mode | 8.4 V | 7.6 V | 20 V | 2.3 mA | 1 | 1.0 A | 100 | DFN8, MSOP8, SOIC8 | -40 to 85 | $0.97 | ||
| ISL78223 | Zero-Voltage-Switching (ZVS) | Peak Current Mode | 8.75 V | 7.0 V | 20 V | 12 mA | 1 | 0.01 A | 99 | Automotive | QSOP20 | -40 to 105 | $3.95 | |
| ISL8844A | Single-Ended | Flyback | Peak Current Mode | 14.4 V | 8.8 V | 30 V | 2.9 mA | 1 | 1.0 A | 50 | MSOP8, SOIC8 | -55 to 125 | $1.12 | |
| ISL6742B | Double-Ended | Half-Bridge or Full Bridge (Telecom) Hard SW | Voltage, Peak Current, or Average Current Mode | 8.75 V | 7 V | 20 V | 5 mA | 4 | 0.1 A | 100 | QSOP16 | -40 to 105 | $2.57 | |
| ISL6840 | Single-Ended | Peak Current Mode | 7 V | 6.6 V | 20 V | 2.3 mA | 1 | 1.0 A | 100 | DFN8, MSOP8, SOIC8 | -40 to 85 | $0.97 | ||
| ISL6841 | Single-Ended | Peak Current Mode | 7 V | 6.6 V | 20 V | 2.3 mA | 1 | 1.0 A | 50 | MSOP8 | -40 to 85 | $0.97 | ||
| ISL6744 | Double-Ended | Half-Bridge or Full Bridge (Telecom) Hard SW | Voltage Mode | 6.2 V | 5.7 V | 20 V | 3 mA | 2 | 1.0 A | 100 | MSOP8, SOIC8 | -40 to 105 | $1.51 | |
| ISL6723A | Single-Ended | Flyback or Forward (two switch) | Peak Current Mode | 13 V | 7.7 V | 20 V | 4.5 mA | 1 | 1.0 A | 100 | SOIC16 | -40 to 105 | $1.89 | |
| ISL6742 | Double-Ended | Half-Bridge or Full Bridge (Telecom) Hard SW | Voltage, Peak Current, or Average Current Mode | 8.75 V | 7 V | 20 V | 5 mA | 4 | 0.1 A | 100 | QSOP16 | -40 to 85 | $2.57 | |
| ISL6741 | Double-Ended | Push-pull | Peak Current Mode | 7.25 V | 6.75 V | 20 V | 5 mA | 2 | 0.5 A | 100 | SOIC16, TSSOP16 | -40 to 85 | $1.59 | |
| ISL6745A | Double-Ended | Half-Bridge or Full Bridge (Telecom) Hard SW | Voltage Mode | 6.3 V | 5.7 V | 20 V | 3 mA | 2 | 1.0 A | 100 | MSOP10 | -40 to 105 | $1.59 | |
| ISL8843A | Single-Ended | Flyback | Peak Current Mode | 8.4 V | 7.6 V | 30 V | 2.9 mA | 1 | 1.0 A | 100 | MSOP8, SOIC8 | -55 to 125 | $1.12 | |
| ISL6551 | Zero-Voltage-Switching (ZVS) | Peak Current Mode | 9.6 V | 8.6 V | 16 V | 13 mA | 6 | 2.0 A | 99 | SOIC28 | -40 to 105 | $5.24 | ||
| ISL8841A | Single-Ended | Flyback | Peak Current Mode | 7 V | 6.6 V | 30 V | 2.9 mA | 1 | 1.0 A | 50 | MSOP8, SOIC8 | -55 to 125 | $1.12 | |
