FAN5307MPX Fairchild Semiconductor, FAN5307MPX Datasheet

IC CONV DC-DC ADJ VOLT 3X3 6MLP

FAN5307MPX

Manufacturer Part Number
FAN5307MPX
Description
IC CONV DC-DC ADJ VOLT 3X3 6MLP
Manufacturer
Fairchild Semiconductor
Type
Step-Down (Buck)r
Datasheet

Specifications of FAN5307MPX

Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
1
Voltage - Output
0.7 ~ 5.5 V
Current - Output
300mA
Frequency - Switching
1MHz
Voltage - Input
2.5 ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
6-MLP
Output Voltage
0.7 V to V In
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
FAN5307MPX
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
© 2005 Fairchild Semiconductor Corporation
FAN5307 • Rev. 1.0.5
FAN5307
High-Efficiency Step-Down DC-DC Converter
Features
Applications
Ordering Information
FAN5307S18X
FAN5307MP18
X
FAN5307S15X
FAN5307MP15
X
FAN5307SX
FAN5307MPX
Part Number
For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.
95% Efficiency, Synchronous Operation
Adjustable Output Voltage Option: 0.7V to 0.8V
2.5V to 5.5V Input Voltage Range
Customized Fixed Output Voltage Options
Up to 300mA Output Current
Fixed Frequency 1MHz PWM Operation
High-Efficiency, Power-Save Mode
100% Duty Cycle Low Dropout Operation
Soft Start
Dynamic Output Voltage Positioning
15µA Quiescent Current
Excellent Load Transient Response
5-Lead SOT-23 Package
6-Lead MLP 3x3mm Package
Pocket PCs, PDAs
Cell Phones
Battery-Powered Portable Devices
Digital Cameras
Low Power DSP Supplies
Temperature
-40 to +85°C
-40 to +85°C
-40 to +85°C
-40 to +85°C
-40 to +85°C
-40 to +85°C
Operating
Range
Adjustable
Adjustable
V
OUT
1.8
1.8
1.5
1.5
(V)
IN
5-Lead SOT-23
6-lead 3x3mm Molded
Leadless Package (MLP)
5-Lead SOT-23
6-lead 3x3mm Molded
Leadless Package (MLP)
5-Lead SOT-23
6-lead 3x3mm Molded
Leadless Package (MLP)
Description
The FAN5307, a high-efficiency, low-noise synchronous
PWM current mode and Pulse Skip (Power-Save) mode
DC-DC converter, is designed for battery-powered
applications. It provides up to 300mA of output current
over a wide input range from 2.5V to 5.5V. The output
voltage can be either internally fixed or externally
adjustable over a wide range of 0.7V to 0.8V
external voltage divider. Custom output voltages are
also available. Contact a Fairchild sales representative
for customized output voltage options.
At moderate and light loads, pulse skipping modulation
is used. Dynamic voltage positioning is applied, and the
output voltage is shifted 0.8% above nominal value, for
increased headroom during load transients. At higher
loads, the system automatically switches to current
mode PWM control, operating at 1 MHz. A current
mode control loop with fast transient response ensures
excellent line and load regulation. In Power-Save mode,
the quiescent current is reduced to 15µA to achieve
high efficiency and ensure long battery life. In shutdown
mode, the supply current drops below 1µA.
The device is available in 5-lead SOT-23 and 6-lead
MLP 3x3mm packages.
Package
Status
Green
Green
Green
RoHS
RoHS
RoHS
Eco
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Packing
August 2009
Method
www.fairchildsemi.com
IN
by an

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FAN5307MPX Summary of contents

Page 1

... FAN5307S15X -40 to +85°C FAN5307MP15 -40 to +85°C X FAN5307SX -40 to +85°C FAN5307MPX -40 to +85°C For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. © 2005 Fairchild Semiconductor Corporation FAN5307 • Rev. 1.0.5 Description The FAN5307, a high-efficiency, low-noise synchronous PWM current mode and Pulse Skip (Power-Save) mode ...

Page 2

... Typical Applications GND 4.7µF IN Figure 1. 6-Lead 3x3mm (MLP) © 2005 Fairchild Semiconductor Corporation FAN5307 • Rev. 1.0.5 FB PGND V OUT L 10µ =10µF OUT 100 95 V =2. =3. =5. 0.01 0 Load Current [mA] Figure 3. Efficiency vs. Load Current (V 2 Figure 2. 5-Lead SOT-23 100 1000 =1.8V) OUT www ...

Page 3

... Power Ground. The internal N-channel MOSFET is connected to this pin. Feedback Input. In case of fixed-voltage options, connect this pin directly to the output. For adjustable voltage option, connect this pin to the resistor divider. © 2005 Fairchild Semiconductor Corporation FAN5307 • Rev. 1.0.5 Figure 5. 6-Lead 3x3mm MLP to enter regulation. OUT to enter regulation ...

Page 4

... Operating Ambient Temperature Range A T Operating Junction Temperature Range J Note: 3. Refer to the Applications section for details. © 2005 Fairchild Semiconductor Corporation FAN5307 • Rev. 1.0.5 Parameter Junction-to-Case, SOT-23 (1) Junction-to-Tab, MLP 3x3 , is a strong function of PCB material, board thickness, thickness and JA Parameter 4 Min ...

Page 5

... LEAK I Reverse Leakage Current into Pin SW LEAK_R Electrical Characteristics for Adjustable Version V =2.5V to 5.5V 200mA, EN=V IN OUT Symbol V Feedback Voltage FB © 2005 Fairchild Semiconductor Corporation FAN5307 • Rev. 1.0 =4.7µF, C =22µF, L =10µ OUT X Conditions I =0mA, Device is OUT not switching ...

Page 6

... These limits also apply to any mode transition caused by any kind of load transition within specified output current range. 200 10µ 0.01 Figure 6. Load Transient Response Test Waveform © 2005 Fairchild Semiconductor Corporation FAN5307 • Rev. 1.0.5 =1.8 Version OUT , C =4.7µF, C =22µF, L =10µH, T ...

Page 7

... IN 960 940 920 V =2.5V IN 900 880 -40 -30 -20 - Temperature [ºC] Figure 13. Frequency vs. Temperature © 2005 Fairchild Semiconductor Corporation FAN5307 • Rev. 1.0.5 =1.8V, unless otherwise noted. OUT V =3. 100 1000 =1.8V) Figure 12. No-Load Quiescent Current vs. V OUT Figure 14. Power Save (PRM) Mode Operation 7 Figure 8 ...

Page 8

... Block Diagram DIGITAL SOFT START FB ERROR AMPLIFIER 0.5V GND IS OSC SLOPE COMPENSATION © 2005 Fairchild Semiconductor Corporation FAN5307 • Rev. 1.0.5 EN UNDER-VOLTAGE IS PFM COMPARATOR REF LOGIC COMPARATOR CONTROL OVER- VOLTAGE COMPARATOR REF FB Figure 15. Block Diagram CURRENT IS SENSE LOCKOUT MOSFET DRIVER NEG. LIMIT SENSE NEG ...

Page 9

... FAN5307 enters PWM mode as soon as the output voltage can no longer be regulated in PFM with constant peak current. © 2005 Fairchild Semiconductor Corporation FAN5307 • Rev. 1.0.5 100% Duty Cycle Operation As the input voltage approaches the output voltage and the duty cycle exceeds the typical 90%, the converter turns the P-channel transistor continuously on ...

Page 10

... Murata LQH4C100K04 Cooper CTX01-17327 Bussmann © 2005 Fairchild Semiconductor Corporation FAN5307 • Rev. 1.0.5 Input Capacitor Selection For best performances, a low-ESR input capacitor is required. A ceramic capacitor of at least 4.7µF, placed as close to the input pin of the device, is recommended Output Capacitor Selection The FAN5307’ ...

Page 11

... 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’ ...

Page 12

... 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’ ...

Page 13

... Fairchild Semiconductor Corporation FAN5307 • Rev. 1.0.5 13 www.fairchildsemi.com ...

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