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CAT6243 Datasheet(PDF) 2 Page - ON Semiconductor |
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CAT6243 Datasheet(HTML) 2 Page - ON Semiconductor |
2 / 15 page CAT6243 www.onsemi.com 2 Figure 1. Application Schematic VIN ENABLE CAT6243 ADJ BYP VOUT GND VIN 1 mF VOUT (Optional) CBYP CIN 2.2 mF COUT Figure 2. Simplified Block Diagram ADJ GND EN 2.5 M VIN BYP VOUT Enable Logic Thermal Shutdown ISENSE VREF + − + − Table 1. PIN FUNCTION DESCRIPTION Pin # WDFN−6 Pin # DPAK−5−5 Pin Name Description 1 5 EN The Enable Input. An active HIGH input, turning ON the LDO. This input should be tied to VIN if the LDO is not intended to be shut off during normal operation. A pull−down 2.5 MW resistor maintains the circuit in the OFF state if the pin is left open. 2, PAD 3, TAB GND Power Supply Ground; Device Substrate. The center pad is internally connected to Ground and as such can cause short circuits to signal traces running beneath the IC. This pad is intended for heat sinking the IC to the PCB and is typically connected to the PCB ground plane. 3 NC BYP Bypass input. Placing a capacitor of 100 pF to 470 pF between BYP and ground reduces noise on VOUT. This capacitor is optional and it increases the turn−on time. 4 2 VOUT Regulated Output Voltage. A protection block eliminates any current flow from output to input if VOUT > VIN. 5 1 ADJ Output Voltage Adjust Input. This input ties to the common point of a resistor divider which determines the regulator’s output voltage. See Applications section for details on selecting resistor values. 6 4 VIN Positive Power Supply Input. Supplies power for VOUT as well as the regulator’s internal circuitry. |
Similar Part No. - CAT6243_16 |
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Similar Description - CAT6243_16 |
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