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Hello, Please ask a question about ADP160ACBZ-3.3-R7 Datasheet
# Example questions:
➢ What type of capacitors are recommended for use with the adp160/adp161, and which type should be avoided?
➢ What is the primary difference in pin functionality between the 5-lead tsot adp160 and adp161?
➢ What is the maximum storage temperature allowed for the adp160/adp161?
| Part No. | ADP160ACBZ-3.3-R7 |
| Manufacturer | AD |
| Size | 513 Kbytes |
| Pages | 20 pages |
| Description | Ultralow Quiescent Current, 150 mA, CMOS Linear Regulator |
1. Overview
️· What it is: The ADP160 and ADP161 are Low Dropout (LDO) voltage regulators. They provide a regulated output voltage from an unregulated input voltage.
️· ADP160: Fixed output voltage (specific value determined by the part number).
️· ADP161: Adjustable output voltage (set by external resistors).
2. Pin Configurations & Functions
️· Package Options:
- 5-Lead TSOT (small outline transistor)
- 4-Ball WLCSP (Wafer Level Chip Scale Package)
️· Common Pins:
- VIN: Input voltage supply (requires bypass capacitor).
- GND: Ground.
- EN: Enable – high to turn on, low to turn off, connect to VIN for automatic startup.
- VOUT: Regulated output voltage (requires bypass capacitor).
- ADJ (ADP161 only): Output voltage adjustment pin. Used to set the output voltage with a voltage divider.
️· Pinout Differences: The ADP160 has a "NC" (No Connect) pin. The ADP161 has the "ADJ" (adjustment) pin in its place.
3. Electrical Characteristics & Operating Conditions
️· Input Voltage Range: Not explicitly stated, but implied to be from roughly 3V to 6.5V.
️· Output Voltage:
- ADP160: Fixed, specified in the part number.
- ADP161: Adjustable, set by external resistors connected to the ADJ pin.
️· Dropout Voltage: "Low Dropout" implies a low dropout voltage (the difference between input and output voltages can be small).
️· Operating Temperature Range: -40°C to +125°C.
️· Junction Temperature Limit: Maximum of +150°C. *Critical to monitor and avoid exceeding this limit.*
️· Bypass Capacitors: *Required* on both VIN and VOUT, typically 1µF or greater.
4. Important Considerations (Thermal Management)
️· Junction Temperature (T<sub>J</sub>): The most important temperature to monitor. It's calculated from ambient temperature (T<sub>A</sub>), power dissipation (P<sub>D</sub>), and thermal resistance.
️· Thermal Resistance:
- θ<sub>JA</sub>: Junction-to-ambient thermal resistance. Highly dependent on the PCB layout.
- Ψ<sub>JB</sub>: Junction-to-board thermal characterization parameter. More useful than θ<sub>JA</sub> in many applications.
️· Formulas:
- T<sub>J</sub> = T<sub>A</sub> + (P<sub>D</sub> × θ<sub>JA</sub>) (for Ambient Temperature)
- T<sub>J</sub> = T<sub>B</sub> + (P<sub>D</sub> × Ψ<sub>JB</sub>) (for Board Temperature)
️· Derating: Ambient temperature might need to be derated (lowered) to prevent overheating. Good PCB design and heat sinking are crucial.
5. Absolute Maximum Ratings
️· Voltage limits for VIN, VOUT, and EN pins.
️· Storage and operating temperature ranges.
️· Soldering conditions. *These are absolute limits; exceeding them can damage the regulator.*
6. Key Recommendations
️· Use bypass capacitors as specified.
️· Monitor junction temperature (T<sub>J</sub>) and ensure it stays within the operating range.
️· Pay close attention to PCB layout for proper thermal management.
️· Refer to the datasheet for detailed specifications and application notes (especially AN-617 for WLCSP thermal considerations).
1. Overview
️· What it is: The ADP160 and ADP161 are Low Dropout (LDO) voltage regulators. They provide a regulated output voltage from an unregulated input voltage.
️· ADP160: Fixed output voltage (specific value determined by the part number).
️· ADP161: Adjustable output voltage (set by external resistors).
2. Pin Configurations & Functions
️· Package Options:
- 5-Lead TSOT (small outline transistor)
- 4-Ball WLCSP (Wafer Level Chip Scale Package)
️· Common Pins:
- VIN: Input voltage supply (requires bypass capacitor).
- GND: Ground.
- EN: Enable – high to turn on, low to turn off, connect to VIN for automatic startup.
- VOUT: Regulated output voltage (requires bypass capacitor).
- ADJ (ADP161 only): Output voltage adjustment pin. Used to set the output voltage with a voltage divider.
️· Pinout Differences: The ADP160 has a "NC" (No Connect) pin. The ADP161 has the "ADJ" (adjustment) pin in its place.
3. Electrical Characteristics & Operating Conditions
️· Input Voltage Range: Not explicitly stated, but implied to be from roughly 3V to 6.5V.
️· Output Voltage:
- ADP160: Fixed, specified in the part number.
- ADP161: Adjustable, set by external resistors connected to the ADJ pin.
️· Dropout Voltage: "Low Dropout" implies a low dropout voltage (the difference between input and output voltages can be small).
️· Operating Temperature Range: -40°C to +125°C.
️· Junction Temperature Limit: Maximum of +150°C. *Critical to monitor and avoid exceeding this limit.*
️· Bypass Capacitors: *Required* on both VIN and VOUT, typically 1µF or greater.
4. Important Considerations (Thermal Management)
️· Junction Temperature (T<sub>J</sub>): The most important temperature to monitor. It's calculated from ambient temperature (T<sub>A</sub>), power dissipation (P<sub>D</sub>), and thermal resistance.
️· Thermal Resistance:
- θ<sub>JA</sub>: Junction-to-ambient thermal resistance. Highly dependent on the PCB layout.
- Ψ<sub>JB</sub>: Junction-to-board thermal characterization parameter. More useful than θ<sub>JA</sub> in many applications.
️· Formulas:
- T<sub>J</sub> = T<sub>A</sub> + (P<sub>D</sub> × θ<sub>JA</sub>) (for Ambient Temperature)
- T<sub>J</sub> = T<sub>B</sub> + (P<sub>D</sub> × Ψ<sub>JB</sub>) (for Board Temperature)
️· Derating: Ambient temperature might need to be derated (lowered) to prevent overheating. Good PCB design and heat sinking are crucial.
5. Absolute Maximum Ratings
️· Voltage limits for VIN, VOUT, and EN pins.
️· Storage and operating temperature ranges.
️· Soldering conditions. *These are absolute limits; exceeding them can damage the regulator.*
6. Key Recommendations
️· Use bypass capacitors as specified.
️· Monitor junction temperature (T<sub>J</sub>) and ensure it stays within the operating range.
️· Pay close attention to PCB layout for proper thermal management.
️· Refer to the datasheet for detailed specifications and application notes (especially AN-617 for WLCSP thermal considerations).
| Part No. | ADP160ACBZ-3.3-R7 |
| Manufacturer | AD |
| Size | 513 Kbytes |
| Pages | 20 pages |
| Description | Ultralow Quiescent Current, 150 mA, CMOS Linear Regulator |
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