NEX30606
1.8 V to 5.0 V, 600 mA, 220 nA ultra-low quiescent current, step-down converter
The NEX30606 is a high-efficiency step-down converter with ultra-low operating quiescent current of typically 220 nA.
The device uses COT control (Constant On Time) to achieve low power consumption mode and fast transient, operates with a switching frequency of 1.5 MHz. At light load conditions, it seamlessly enters Power Save Mode to reduce switching cycles and maintain high efficiency.
Output voltage can be configured by VSET pin. For 1.8 V output, connects the VSET pin to GND. For other output voltages, connects resistor to VSET pin following values in table 5. Sixteen internally set voltages can be selected.
The NEX30606 provides an output current up to 600 mA. With input voltage up to 5.0 V, the devices supports multiple sources such as 2S to 3S Alkaline, 1S Li-MnO2, 1S Li-ion/Li-SOCL2.
The NEX30606 device series comes in a tiny 6-pin WLCSP package with 0.35-mm pitch.
Features and benefits
- 220 nA operating quiescent current
- Input voltage range VVIN from 1.8 V to 5.0 V
- Output current up to 600 mA
- 16 selectable fixed output voltages
- 2% output voltage accuracy
- Output discharge
- Constant on time control
- >90% efficiency at IOUT = 1 mA (VVIN = 3.6 V to VOUT = 1.8 V)
- >92.8% efficiency at IOUT = 300 mA (VVIN = 3.6 V to VOUT = 1.8 V)
- Pseudo-fixed 1.5 MHz switching frequency
- Enable pin
WLCSP6 (SOT8055-1) package option
ESD protection:
HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V
CDM: ANSI/ESDA/JEDEC JS-002 class C2a exceeds 500 V
Specified from Tj = -40 °C to +85 °C and -40 °C to +125 °C
Applications
- Wearable electronics
- Smart meters
- Asset tracking device
- Medical sensor patches and monitor
- Industrial IOT/Narrowband (NB)-IOT
- 3 x AA battery powered applications
VOUT = 1.8 V; RSET = 21.5 k?; L = 2.2 μH
(1) VVIN = 2.5 V; (2) VVIN = 3.3 V;
(3) VVIN = 3.6 V; (4) VVIN = 4.2 V;
(5) VVIN = 5.0 V;
封裝
| 型號 | 可訂購的器件編號，（訂購碼(12NC)） | 狀態(tài) | 標示 | 封裝 | 外形圖 | 回流焊/波峰焊 | 包裝 |
|---|---|---|---|---|---|---|---|
| NEX30606UA | NEX30606UAZ (935691822336) |
Active | A |
WLCSP6 (SOT8055-1) |
SOT8055-1 | SOT8055-1_336 |
文檔 (4)
| 文件名稱 | 標題 | 類型 | 日期 |
|---|---|---|---|
| NEX30606 | 1.8 V to 5.0 V, 600 mA, 220 nA ultra-low quiescent current, step-down converter | Data sheet | 2024-11-20 |
| AN90063 | Questions about package outline drawings | Application note | 2025-10-22 |
| lealfet_NEX3060x_220_a_ultralow_buck_converter | lealfet_NEX3060x_220_a_ultralow_buck_converter | Leaflet | 2025-01-13 |
| SOT8055-1 | WLCSP6: wafer level chip-size package; 6 bumps (3 x 2) | Package information | 2024-11-25 |
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