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FAN53610: 3 MHz, 600 mA / 1A Synchronous Buck Regulator

Datasheet: FAN53600 / FAN53610 — 3MHz, 600mA / 1A Synchronous Buck Regulator
Rev. A (1171kB)
Product Overview
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"The FAN53600/10 is a 3 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 FAN53600/10 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 3 MHz, which reduces the value of the external components to as low as 1 µH 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 26 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 3 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 FAN53600/10 is available in 6-bump, 0.4 mm pitch, Wafer-Level Chip-Scale Package (WLCSP).
"
Features
 
  • 600 mA or 1 A Output Current Capability
  • 26 µA Typical Quiescent Current
  • 3 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 3.3 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
Technical Documentation & Design Resources
Data Sheets (1) Package Drawings (1)
Availability & Samples
Specifications
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
FAN53610AUC29X Active
Pb-free
Halide free
FAN53610 WLCSP-6 567RQ 1 260 Tape and Reel 3000 $0.3333
FAN53610AUC30X Active
Pb-free
Halide free
FAN53610 WLCSP-6 567RQ 1 260 Tape and Reel 3000 $0.3333
FAN53610AUC33X Active
Pb-free
Halide free
FAN53610 WLCSP-6 567RQ 1 260 Tape and Reel 3000 $0.3333
Market Leadtime (weeks) : 4 to 8
Market Leadtime (weeks) : 2 to 4
ON Semiconductor   (2020-09-02 00:00) : 30,000
Market Leadtime (weeks) : 8 to 12

Product
Description
Pricing ($/Unit)
Compliance
Status
Topology
Control Mode
VCC Min (V)
VCC Max (V)
VO Typ (V)
IO Typ (A)
Efficiency (%)
fSW Typ (kHz)
Package Type
FAN53610AUC29X  
 $0.3333 
Pb
H
 Active   
Step-Down
Voltage Mode
2.3
5.5
2.9
1
97
3000
WLCSP-6
FAN53610AUC30X  
 $0.3333 
Pb
H
 Active   
Step-Down
Voltage Mode
2.3
5.5
3
1
97
3000
WLCSP-6
FAN53610AUC33X  
 $0.3333 
Pb
H
 Active   
Step-Down
Voltage Mode
2.3
5.5
3.3
1
97
3000
WLCSP-6
Case Outlines
567RQ   
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