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Key Specs Summary(10)
- Number Of Outputs
- 4
- Operating Temperature
- -40℃~+125℃
- Operating Voltage
- 1.7 to 5.5V
- Output CurrentVerified
- 800mA
- Output VoltageEnriched
- 1.8V
- package
- WLCSP-16(2x2)
- Package Industry NameEnriched
- WLCSP
- Pin CountEnriched
- 16
- Frequency Switching
- 3MHz
- topology
- Buck
Datasheet Extracted
Facts extracted directly from the datasheet (sourced)Pin Configuration · WLCSP (CB-16-8) · 16 pins
| # | Name | Type | Function |
|---|---|---|---|
| A1 | VOUT3 | output | LDO1 Output Voltage and Sensing Input |
| A2 | VIN3 | input | LDO1 Input Supply (1.7 V to 5.5 V, VIN4 ≤ VIN1 = VIN2) |
| A3 | VIN4 | input | LDO2 Input Supply (1.7 V to 5.5 V, VIN3 ≤ VIN1 = VIN2) |
| A3 | VOUT4 | output | LDO2 Output Voltage and Sensing Input |
| B1 | AGND | power in | Analog Ground |
| B2 | MODE | input | BUCK1/BUCK2 Operating Mode. MODE = high: forced PWM operation. MODE = low: auto PWM/PSM operation. |
| B3 | ENA | input | Regulator Enable Pin A, Active High. The regulators turned on with ENA are factory programmed. |
| B4 | ENB | input | Regulator Enable Pin B, Active High. The regulators turned on with ENB are factory programmed. |
| C1 | VIN1 | input | BUCK1 Input Supply (2.3 V to 5.5 V) and UVLO Detection. Connect VIN1 to VIN2. |
| C2 | VOUT1 | output | BUCK1 Output Voltage Sensing Input |
| C3 | VOUT2 | output | BUCK2 Output Voltage Sensing Input |
| C4 | VIN2 | input | BUCK2 Input Supply (2.3 V to 5.5 V). Connect VIN2 to VIN1. |
| D1 | PGND1 | power in | Dedicated Power Ground for BUCK1 |
| D2 | SW1 | output | BUCK1 Switching Node |
| D3 | SW2 | output | BUCK2 Switching Node |
| D4 | PGND2 | power in | Dedicated Power Ground for BUCK2 |
Absolute Maximum Ratings
| VIN1 to AGND | -0.3 to +6V | |
| Storage Temperature Range | -65 to +150°C | |
| Operating Junction Temperature Range | -40 to +125°C |
Recommended Operating
| Main input voltage range | 2.3 to 5.5V | |
| BUCK1/BUCK2 output voltage range | 0.8 to 3.8V | |
| LDO1/LDO2 output voltage range | 0.8 to 5.2V |
Thermal
- theta ja
- 57
Ordering
- R7
- RoHS Compliant Part
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