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R5560 Series
Overvoltage Protection Switch IC with Voltage Suppressor
The R5560 Series are CMOS-based overvoltage protection switch ICs. The R5560 uses an NMOS pass transistor as a driver. Input voltage is adaptable to up to 28V, yet the R5560 achieves the low on resistance (Typ. 38mΩ). An internal clamp can protect low-voltage systems from surges up to +80V. The overvoltage protection threshold is adjustable with external resistors to any voltage between 4V and 20V. The internal overvoltage thresholds (OVLO) is preset with a high accuracy at 6.8V±3%.
The R5560 consists of a soft-start circuit, a startup debounce circuit, and a thermal shutdown circuit. A 1.288mm × 1.828mm square compact WLCSP-12-P2 package is available to achieve high density mounting on board.
Specs & Datasheets
| Consumer | |
|---|---|
| Input Voltage Range | 2.5 V to 28.0 V (29.0 V) |
| Operating Temperature Range | -40°C to 85°C (125°C) |
| Supply Current | Typ. 19 µA |
| Output Current | Max. 4.5 A |
| ON-resistance | Typ. 38 mΩ |
| Internal FET | Nch |
| Package | WLCSP-12-P2 |
| Surge Immunity | 80 V |
| Internal Fixed OVLO Threshold | 6.8 V±3% |
| Adjustable OVLO Threshold Range with OVLO Pin | 4 V to 20 V |
Protections / Functions
| TSD | Reverse | OCP | UVLO | OVLO | Soft Start | PGOOD | Auto Discharge | Reset |
|---|---|---|---|---|---|---|---|---|
 |
|
|
|
Technical Documents
Typical Application External Adjustable OVLO
Connect OVLO to GND when using the internal threshold.
Timing Chart External Adjustable OVLO
Quality & Packages
| Product Name | Compatibility | Package | Marking | Reliability |
|---|---|---|---|---|
| R5560Z011A-TL-F |
|
WLCSP-12-P2 | R5560Z | R5560Z-F |
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Refer to the datasheets for the details on the product.
The package file includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.
Please contact us or our distributors for unpublished reliability information.
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Functional Description
| TSD | Thermal Shutdown Function |
|---|---|
| Reverse Current Protection | Reverse Current Protection |
| OCP | Overcurrent Protection |
| UVLO | Undervoltage Lockout Protection |
| OVLO | Overvoltage Lockout Protection |
| Soft Start | Soft Start Function |
| PGOOD | Power Good Output |
| Auto Discharge | Auto Discharge Circuit |