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FAN53611: 6MHz, 600mA / 1A Synchronous Buck Regulator
"The FAN53601/11 is a 6 MHz, step-down switching voltage regulator, available in 600 mA or 1 A options, that delivers a fixed output from an input voltage supply of 2.3 V to 5.5 V. Using a proprietary architecture with synchronous rectification, the FAN53601/11 is capable of delivering a peak efficiency of 92%, while maintaining efficiency over 80% at load currents as low as 1 mA.
The regulator operates at a nominal fixed frequency of 6 MHz, which reduces the value of the external components to as low as 470 nH for the output inductor and 4.7 µF for the output capacitor. In addition, the Pulse Width Modulation (PWM) modulator can be synchronized to an external frequency source.
At moderate and light loads, Pulse Frequency Modulation (PFM) is used to operate the device in Power-Save Mode with a typical quiescent current of 24 µA. Even with such a low quiescent current, the part exhibits excellent transient response during large load swings. At higher loads, the system automatically switches to fixed-frequency control, operating at 6 MHz. In Shutdown Mode, the supply current drops below 1 µA, reducing power consumption. For applications that require minimum ripple or fixed frequency, PFM Mode can be disabled using the MODE pin.
The FAN53601/11 is available in 6-bump, 0.4 mm pitch, Wafer-Level Chip-Scale Package (WLCSP)."
| FAN53611 Datasheet |
Features
- "600 mA or 1 A Output Current Capability
- 24 µA Typical Quiescent Current
- 6 MHz Fixed-Frequency Operation
- Best-in-Class Load Transient Response
- Best-in-Class Efficiency
- 2.3 V to 5.5 V Input Voltage Range
- 0.8 V to 2 V Fixed Output Voltage
- Low Ripple Light-Load PFM Mode
- Forced PWM and External Clock Synchronization
- Internal Soft-Start
- Input Under-Voltage Lockout (UVLO)
- Thermal Shutdown and Overload Protection
- Optional Output Discharge
- 6-Bump WLCSP, 0.4 mm Pitch"
| Product | Product & Eco Status | Unit Price/1K Order | Packing Method Convention | Package Marking Convention* |
|---|---|---|---|---|
| FAN53611AUC18X | Full Production Green as of Jun 2015 China RoHS | $0.4176 | WL-CSP 6L
-
0.625 x 0 x 0mm,
TAPE REEL
| Line 1TW&K
Line 2&. (Pin One) |
| FAN53611AUC135X | Full Production Green as of Feb 2014 China RoHS | $0.5017 | WL-CSP 6L
-
0.625 x 0 x 0mm,
TAPE REEL
| Line 1TL&K
Line 2&. (Pin One) |
| FAN53611AUC115X | Full Production Green as of Oct 2014 China RoHS | $0.5017 | WL-CSP 6L
-
0.625 x 0 x 0mm,
TAPE REEL
| Line 1QU&K
Line 2&. (Pin One) |
| FAN53611AUC11X | Full Production Green as of Apr 2012 China RoHS | $0.5017 | WL-CSP 6L
-
0.625 x 0 x 0mm,
TAPE REEL
| Line 1SN&K
Line 2&. (Pin One) |
| FAN53611AUC12X | Full Production Green as of Jun 2015 China RoHS | $0.4176 | WL-CSP 6L
-
0.625 x 0 x 0mm,
TAPE REEL
| Line 1TU&K
Line 2&. (Pin One) |
| FAN53611AUC123X | Full Production Green as of Dec 2013 China RoHS | $0.4176 | WL-CSP 6L
-
0.625 x 0 x 0mm,
TAPE REEL
| Line 1SU&K
Line 2&. (Pin One) |
| FAN53611AUC13X | Full Production Green as of Dec 2012 China RoHS | $0.5017 | WL-CSP 6L
-
0.625 x 0 x 0mm,
TAPE REEL
| Line 1SQ&K
Line 2&. (Pin One) |
| FAN53611UC123X | Full Production Green as of Sep 2011 China RoHS | $0.5017 | WL-CSP 6L
-
0.625 x 0 x 0mm,
TAPE REEL
| Line 1RT&K
Line 2&. (Pin One) |
- WL-CSP 6L Drawing Last Update: Mar 2016
- WLCSP 2X3 Array Tape And Reel Packing Drawing Last Update: Nov 2016
- WLCSP 0.8x1.2, 1.2x1.2 Packing Drawing Last Update: Jun 2014
- WLCSP Tape and Reel Packing Drawing Last Update: Jun 2016
