Converters | FAN53602
概览
The FAN53602 is a 6 MHz, step-down switching voltage regulator 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 FAN53602 is capable of delivering a constant load of 1.2 A.The regulator operates at a nominal fixed frequency of 6 MHz, which reduces the value of the external components to as low as 470nH for the output inductor and 4.7µF 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 FAN53602 is available in 6-bump, 0.4 mm pitch, Wafer-Level Chip-Scale Package (WLCSP).
- 3G, 4G, WiFi®, WiMAX™, and WiBro® Data Cards
- Tablets
- DSC, DVC
- Netbooks®, Ultra-Mobile PCs
- 3G, 4G, WiFi®, WiMAX™, and WiBro® Data Cards
- Tablets
- DSC, DVC
- Netbooks®, Ultra-Mobile PCs
- 1.2 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
- 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
- 6-Bump WLCSP, 0.4 mm Pitch
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Pb
A
H
P
WLCSP-6
1
260
REEL
3000
No
Step-Down
Voltage Mode
2.3
5.5
1.233
1.2
88
6000
Price N/A
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