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FAN5331SX Datasheet

  • FAN5331SX

  • 1.6MHz Boost Converter with 20V Integrated FET Switch

  • 214.85KB

  • 10頁(yè)

  • FAIRCHILD

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FAN5331 1.6MHz Boost Converter with 20V Integrated FET Switch
October 2004
FAN5331
1.6MHz Boost Converter with 20V Integrated FET Switch
Features
鈻?/div>
1.6MHz Switching Frequency
鈻?/div>
Low Noise
鈻?/div>
Low R
DS(ON)
: 0.5鈩?/div>
鈻?/div>
Adjustable Output Voltage
鈻?/div>
1A Peak Switch Current
鈻?/div>
Low Shutdown Current: <1碌A(chǔ)
鈻?/div>
Cycle-by-Cycle Current Limit
鈻?/div>
Over-Voltage Protection
鈻?/div>
Fixed -Frequency PWM Operation
鈻?/div>
Internal Compensation
鈻?/div>
5-lead SOT-23 Package
Description
The FAN5331 is a general purpose, fixed-frequency boost con-
verter designed to operate at high switching frequencies in
order to minimize switching noise measured at the battery ter-
minal of hand-held communications equipment. Quiescent cur-
rent in normal mode of operation as well as in shutdown mode
is designed to be minimal in order to extend battery life. Normal
mode of operation or shutdown mode can be selected by a logic
level shutdown circuitry.
The low ON-resistance of the internal N-channel switch ensures
high efficiency and low power dissipation. A cycle-by-cycle cur-
rent limit circuit keeps the peak current of the switch below a
maximum value of 1A. The FAN5331 is available in a 5-lead
SOT-23 package.
Applications
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Cell Phones
鈻?/div>
PDAs
鈻?/div>
Handheld Equipment
鈻?/div>
Display Bias
鈻?/div>
LED Bias
Typical Application
BAT54
C
OUT
4.7碌F
5
V
IN
R1
C
F
120pF
V
OUT
V
IN
C
IN
2.7V to 5.5V
L
10碌H
4.7碌F
1
SW
FAN5331
FB
3
R2
ON
OFF
4
SHDN
GND
2
Figure 1. Typical Application Diagram
漏2004 Fairchild Semiconductor Corporation
1
www.fairchildsemi.com
FAN5331 Rev. 1.0.1

FAN5331SX 產(chǎn)品屬性

  • 3,000

  • 集成電路 (IC)

  • PMIC - LED 驅(qū)動(dòng)器

  • -

  • -

  • -

  • 1

  • 是

  • 通用

  • -

  • 1.15MHz ~ 1.85MHz

  • 2.7 V ~ 5.5 V

  • 20V

  • 表面貼裝

  • SC-74A，SOT-753

  • SOT-23-5

  • 帶卷 (TR)

  • -40°C ~ 85°C

  • FAN5331SXTRFAN5331SX_NLFAN5331SX_NLTRFAN5331SX_NLTR-ND

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