MFG:2928 Package Cooled:HIT D/C:SOP
MFG: 2928
Package Cooled: HIT
D/C: SOP
Description: The HA17451 is a dual-channel switching regulator controller IC. Each channel contains the basic circu...
The HA17451 is a dual-channel switching regulator controller IC. Each channel contains the basic circuits for controlling a PWM-type switching-regulator power supply. Both channels are integrated onto the same chip. Both channels can be completely synchronized, using the same oscillator output waveform. Each channel can provide output voltages for step-up, step-down, inverting, and other converter topologies.
These controllers operate at voltages from 3.3 V to 40 V, making them suitable for a wide range of applications. They are ideal for chopper-type DC/DC converters. They are similar to the TL1451, but note that the HA17451A differs from the TL1451A.
| Item | Symbol | Rating | Unit | Notes |
| Power supply voltage | VCC | 40 | V | |
| Error amplifier input voltage | VI | 20 | V | |
| Collector output voltage | VO | 40 | V | |
| Collector output current | IO | 50 | mA | |
| Power dissipation | PT | 680 | mW | |
| Operating temperature | Topr | - 20 to +85 | °C | |
| Storage temperature | Tstg | 55 to +125 | °C |
HA17451AFP
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