TYPE | DESCRIPTION |
---|
Mounting Style | Surface Mount |
Number of Pins | 32 Pin |
Supply Voltage (DC) | 2.80V (min) |
Case/Package | HLQFP-32 |
Supply Current | 6.20 mA |
Quiescent Current | 7.00 mA |
Supply Voltage | 2.8V ~ 5.5V |
TYPE | DESCRIPTION |
---|
Product Lifecycle Status | Active |
Packaging | Tape & Reel (TR) |
Operating Temperature | -40℃ ~ 85℃ |
The DRV591 is a high-efficiency, high-current power amplifier ideal for driving a wide variety of thermoelectric cooler elements in systems powered from 2.8 V to 5.5 V. PWM operation and low output stage on-resistance significantly decrease power dissipation in the amplifier.
●The DRV591 is internally protected against thermal and current overloads. Logic-level fault indicators signal when the junction temperature has reached approximately 130°C to allow for system-level shutdown before the amplifiers internal thermal shutdown circuitry activates. The fault indicators also signal when an over-current event has occurred. If the over-current circuitry is tripped, the DRV591 automatically resets (see application information section for more details).
●The PWM switching frequency may be set to 500 kHz or 100 kHz depending on system requirements. To eliminate external components, the gain is fixed at approximately 2.3 V/V.
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