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RP601 Series
1A PWM/VFM Step-up/down DC/DC Converter with Synchronous Rectifier
The RP601 Series are CMOS-based PWM/VFM step-up/down DC/DC converters with synchronous rectifier. The RP601 automatically switches between step-up mode and step-down mode according to input voltage, output voltage and load current. The power controlling method can be selected from forced PWM control type or PWM/VFM auto switching control type by inputting a signal to the MODE pin. The forced bypass mode (PWM/VFM auto switching control, BP pin = H) is included which suppresses supply current below 5 µA. The output voltage is adjustable (50-mV step) using DVS (Dynamic Voltage Scaling) during operation. A 1.95-mm square compact WLCSP-16-P1 package is available.
Specs & Datasheets
| Consumer | |
|---|---|
| Input Voltage Range | 2.3 V to 5.5 V (6.5 V) |
| Operating Temperature Range | -40°C to 85°C (125°C) |
| Supply Current | Typ. 45 µA (VFM mode) |
| Standby Current | Typ. 0.1 µA |
| Output Voltage Range | 2.75 V to 4.2 V (50 mV step) |
| Output Voltage Accuracy | ±2% (Ta = 25°C) |
| Output Voltage Temperature Coefficient | Typ. ±50 ppm/°C |
| Output Current | Typ. 1 A |
| Driver ON-resistance | Typ. Pch. 80 mΩ, Nch. 80 mΩ (VIN = 3.6 V) |
| Oscillator Frequency | Typ. 2.4 MHz |
| Package | WLCSP-16-P1 |
| 強制バイパスモード時消費電流 | Typ. 5 µA |
| DVS機能 | Typ. 50 mV |
Protections / Functions
| TSD | ILX | OCP | OVP | UVLO | OVLO | Reverse | Shutdown | Soft Start | SSCG | PGOOD | Auto Discharge | Anti-ringing | Sequencing | Max Duty | Ext. Phase | LED Adjust |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Technical Documents
Design Support
Typical Application
CINP: 22 µF x 1, COUT: 22 µF x 2
RP601Z330A Efficiency vs. Output Current
Quality & Packages
| Product Name | Compatibility | Package | Marking | Reliability |
|---|---|---|---|---|
| RP601Zxxxx-E2-F |
|
WLCSP-16-P1 | RP601Z | RP601Z-F |
C
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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Please contact us or our distributors for unpublished reliability information.
Sample / Buy
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Buy, Request for Samples, Request for Information Materials
Authorized Distributors
Please contact your local distributors for any sales-related inquiry such as price, stock, delivery, etc.
Functional Description
| TSD | Thermal Shutdown Function |
|---|---|
| ILX | LX Current Limit Function |
| OCP | Overcurrent Protection |
| OVP | Overvoltage Protection |
| UVLO | Undervoltage Lockout Protection |
| OVLO | Overvoltage Lockout Protection |
| Reverse | Reverse Current Protection Circuit |
| Shutdown | Shutdown Function |
| Soft Start | Soft Start Function |
| SSCG | Spread Spectrum Clock Generator Function |
| PGOOD | Power Good Output |
| Auto Discharge | Auto Discharge Function |
| Anti-ringing | Anti-ringing Switch Function |
| Sequencing | Start-up Sequencing Control |
| Max Duty | Maximum Duty Cycle |
| Ext. Phase | Externally Adjustable Phase Compensation |
| LED Adjust | LED High-speed Dimming Control |