The CS8122 is a precision 5V linear regulator capable of sourcing in excess of 750mA. The delay time is externally programmed using a discrete RC network. During power up, or when the output goes out of regulation, the lead remains in the low state for the duration of the delay. This function is independent of the input voltage and will function correctly as long as the output voltage remains at or above 1V. Hysteresis is included in the Delay and the comparators to improve noise immunity. A latching discharge circuit is used to discharge the delay capacitor when it is triggered by a brief fault condition. The regulator is protected against a variety of fault conditions: i.e. reverse battery, overvoltage, short circuit and thermal runaway conditions. The regu- lator is protected against voltage tran- sients ranging from -50V to +40V. Short circuit current is limited to 1.2A (typ). The CS8122 is an improved replacement for the CS8126 and features a tighter tol- erance on its output voltage (2% vs 4%). The CS8122 is packaged in a 5 lead TOÐ220 with copper tab. The copper tab can be connected to a heat sink if necessary.
The CS8122 is a precision 5V linear regulator capable of sourcing in excess of 750mA. It features an externally programmable RESET delay using a discrete RC network to allow system initialization before the output becomes active. The device includes hysteresis in its comparators for improved noise immunity and utilizes a latching discharge circuit for the delay capacitor.
| Regulated Output Voltage | 5V +/- 2% |
|---|---|
| Output Current Capability | 750mA |
| Dropout Voltage | 0.6V @ 0.5A |
| Short Circuit Current Limit | 1.2A (typ) |
| Package Type | 5 lead TO-220 |
The RESET lead remains in the low state during power up or when the output goes out of regulation for a programmed delay time.
Yes, the regulator is protected against a variety of fault conditions including reverse battery.
The guaranteed thermal shutdown occurs at 150°C.