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PDF FAN48610 Data sheet ( Hoja de datos )
| Número de pieza | FAN48610 | |
| Descripción | Fixed-Output Synchronous TinyBoost Regulator | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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September 2013
FAN48610
2.5 MHz, Fixed-Output Synchronous TinyBoost® Regulator
Features
Input Voltage Range: 2.35 V to 5.50 V
Output Voltages Range: 3.0 V to 5.0 V
IOUT ≥ 1 A at VOUT =5.0 V, VIN ≥ 2.5 V
IOUT ≥ 1.5 A at VOUT =5.0 V, VIN ≥ 3.0 V
Up to 94% Efficient
Automatic Pass-Through Operation when VIN > VOUT
Internal Synchronous Rectification
Soft-Start with True Load Disconnect
Short-Circuit Protection
9-Bump, 1.215 mm x 1.215 mm, 0.4 mm Pitch WLCSP
Three External Components: 2016 0.47 µH Inductor,
0603 Case Size Input / Output Capacitors
Total Application Board Solution Size: < 11 mm2
Applications
Class-D Audio Amplifier and USB OTG Supply
Boost for Low-Voltage Li-Ion Batteries
Smart Phones, Tablets, Portable Devices
Description
The FAN48610 is a low-power boost regulator designed to
provide a minimum voltage-regulated rail from a standard
single-cell Li-Ion battery and advanced battery chemistries.
Even below the minimum system battery voltage, the device
maintains the output voltage regulation for a minimum output
load current of 1.0 A. The combination of built-in power
transistors, synchronous rectification, and low supply current
suit the FAN48610 for battery-powered applications.
The FAN48610 is available in a 9-bump, 0.4 mm pitch,
Wafer-Level Chip-Scale Package (WLCSP).
+
Battery
0.47µH
VIN
CIN
10µF
SW FAN48610
VOUT
COUT
22µF
PGND
SYSTEM
LOAD
EN AGND
Figure 1. Typical Application
Ordering Information
Part Number
VOUT
Operating Temp
Package
Packing(1)
FAN48610UC50X
FAN48610BUC50X(2)
5.0 V
5.0 V
-40°C to 85°C
-40°C to 85°C
WLCSP, 0.4 mm Pitch
WLCSP, 0.4 mm Pitch
Tape and Reel
Tape and Reel
Notes:
1. Please refer to Application Note AN-6054 — Tape and Reel Specifications on www.fairchildsemi.com.
2. The FAN48610BUC50X includes backside lamination.
© 2013 Fairchild Semiconductor Corporation
FAN48610 • Rev. 1.0.0
www.fairchildsemi.com
1 page  
Typical Characteristics
Unless otherwise specified; VIN = 3.6 V, VOUT = 5.0 V, TA = 25°C, and circuit and components according to Figure 1.
100%
100%
96%
96%
92%
92%
88%
84%
80%
1
10 100
Load Current (mA)
2.6 VIN
3.0 VIN
3.3 VIN
4.2 VIN
1000
88%
84%
80%
1
10 100
Load Current (mA)
- 40C
+25C
+85C
1000
Figure 5. Efficiency vs. Load Current and Input Voltage, Figure 6. Efficiency vs. Load Current and Temperature,
VOUT=3.5 V
VIN=3.0 V, VOUT=3.5 V
96%
96%
92%
92%
88%
88%
84%
80%
76%
1
10 100
Load Current (mA)
2.6 VIN
3.0 VIN
3.6 VIN
4.2 VIN
1000
84%
80%
76%
1
10 100
Load Current (mA)
- 40C
+25C
+85C
1000
Figure 7. Efficiency vs. Load Current and Input Voltage Figure 8. Efficiency vs. Load Current and Temperature
100%
98%
96%
94%
92%
90%
88%
84%
80%
2.0
2.5 3.0 3.5
Input Voltage (V)
5.0 VOUT
3.5 VOUT
4.0 4.5
86%
82%
78%
2.0
2.5 3.0 3.5
Input Voltage (V)
5.0 VOUT
3.5 VOUT
4.0 4.5
Figure 9. Efficiency vs. Input Voltage and Output Voltage, Figure 10. Efficiency vs. Input Voltage and Output Voltage,
200 mA Load
1000 mA Load
© 2013 Fairchild Semiconductor Corporation
FAN48610 • Rev. 1.0.0 •
5
www.fairchildsemi.com
5 Page 
Physical Dimensions
Figure 31. 9-Bump, 0.4 mm Pitch, WLCSP Package
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without
notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most
recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty
therein, which covers Fairchild products.
Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings:
http://www.fairchildsemi.com/dwg/UC/UC009Ak.pdf
Product-Specific Dimensions
Product
D
FAN48610UC50X
FAN48610BUC50X
1.215 ±0.030 mm
1.215 ±0.030 mm
E
1.215 ±0.030 mm
1.215 ±0.030 mm
X
0.02075 mm
0.02075 mm
Y
0.02075 mm
0.02075 mm
© 2013 Fairchild Semiconductor Corporation
FAN48610 • Rev. 1.0.0 •
11
www.fairchildsemi.com
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet FAN48610.PDF ] | |
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