Means of Payment
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RFQ (Request for Quotations)
It is recommended to request for quotations to get the latest prices and inventories about the part.
Our sales will reply to your request by email within 24 hours.
IMPORTANT NOTICE
1. You’ll receive an order information email in your inbox. (Please remember to check the spam folder if you didn’t hear from us).
2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.
| Category | Parameter | Specification | Notes / Conditions |
|---|---|---|---|
| General | Model Number | H14601-20 | |
| Product Type | Low-Noise, High-PSRR Power Management IC | ||
| Description | A multi-output PMIC optimized for ultra-low noise and high power supply rejection, ideal for powering sensitive analog and RF circuitry. | ||
| Input Characteristics | Input Voltage Range | 4.5 VDC to 16 VDC | 5V or 12V Nominal |
| Quiescent Current (Iq) | 50 µA (Typical) | All regulators enabled, no load | |
| Output Characteristics | Buck Converter 1 | 3.3 V / 800 mA | Low-Noise Mode: 20 µVrms |
| Buck Converter 2 | 2.5 V / 500 mA | Low-Noise Mode: 20 µVrms | |
| Buck Converter 3 | 1.8 V / 500 mA | Low-Noise Mode: 25 µVrms | |
| LDO 1 (Ultra-Low Noise) | 1.2 to 3.3V / 200 mA | 10 µVrms, PSRR > 70 dB @ 1 kHz | |
| LDO 2 (Low-Iq) | 1.8V or 3.3V / 150 mA | Fixed, for digital I/O | |
| Switching Frequency | 1.0 MHz, 2.0 MHz | Selectable to avoid noise-sensitive bands | |
| Noise & PSRR Performance | Output Noise Voltage (Bucks) | < 25 µVrms | 10 Hz to 100 kHz, Low-Noise Mode |
| PSRR (Bucks) | > 60 dB @ 1 kHz | ||
| Output Noise Voltage (LDO1) | < 10 µVrms | 10 Hz to 100 kHz | |
| PSRR (LDO1) | > 70 dB @ 1 kHz | ||
| Control & Interface | Control Interface | I2C (400 kHz) & Pin Strap | Key functions pin-strappable for simplicity |
| Operating Modes | High-Efficiency, Low-Noise, Sleep | Selectable per regulator via I2C | |
| Power-Good Signals | 2x (Buck1, LDO1) | ||
| Enable/Disable | Individual enable pins | ||
| Protection Features | Protection Features | OVP, UVP, OCP, OTP | On all regulators |
| Environmental | Operating Junction Temp (Tj) | -40 °C to +125 °C | |
| Storage Temperature | -65 °C to +150 °C | ||
| ESD Rating (HBM) | ±2 kV | ||
| Physical | Package | 32-Pin VQFN | |
| Package Dimensions | 4.5 mm x 4.5 mm x 0.9 mm | ||
| Pin Pitch | 0.4 mm | ||
| Weight | ~0.025 g |
Shipping Method
Currently, our products are shipped through DHL, FedEx, SF, and UPS.
Delivery Time
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose:
FedEx International, 5-7 business days.
The following are some common countries’ logistic time.

Mon–Fri 8:00 AM–05:00 PM
Sat–Sun Closed