数据搜索系统,热门电子元器件搜索 |
|
FAN49103 数据表(PDF) 1 Page - Fairchild Semiconductor |
|
FAN49103 数据表(HTML) 1 Page - Fairchild Semiconductor |
1 / 2 page March 2016 © 2016 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN49103 • Rev.1.0 FAN49103 — 2.5 A, 1.8 MHz, TinyPower™ I2C Buck- Boost Regulator Features 24 µA Typical PFM Quiescent Current Above 95% Efficiency Total Layout Area = 11.61 mm2 Input Voltage Range: 2.5 V to 5.5 V Maximum Continuous Load Current: - 2.5 A at V OUT=3.4 V, VIN=3.6 V - 2 A at V OUT=3.4 V, VIN=2.5 V I2C Compatible Interface Programmable Output Voltage: - 2.8 V to 4.0 V in 25 mV Steps 1.8 MHz Fixed-Frequency Operation in PWM Mode Automatic / Seamless Step-up and Step-down Mode Transitions Forced PWM and Automatic PFM/PWM Mode Selection 0.5 µA Typical Shutdown Current Low Quiescent Current Pass-Through Mode Internal Soft-Start and Output Discharge Low Ripple and Excellent Transient Response Internally Set, Automatic Safety Protections (UVLO, OTP, SCP, OCP) Applications Smart Phones Tablets, Netbooks®, Ultra-Mobile PCs Portable Devices with Li-ion Battery 2G/3G/4G Power Amplifiers NFC Applications Description The FAN49103 is a high efficiency buck-boost switching mode regulator which accepts input voltages either above or below the regulated output voltage. Using full- bridge architecture with synchronous rectification, the FAN49103 is capable of delivering up to 2.5 A while regulating the output at 3.4 V. The FAN49103 exhibits seamless transition between step-up and step-down modes reducing output disturbances. The output voltage and operation mode of the regulator can be programmed through an I 2C interface. At moderate and light loads, Pulse Frequency Modulation (PFM) is used to operate the device in power-save mode to maintain high efficiency. In PFM mode, the part still exhibits excellent transient response during load steps. At moderate to heavier loads or Forced PWM mode, the regulator switches to PWM fixed-frequency control. While in PWM mode, the regulator operates at a nominal fixed frequency of 1.8 MHz, which allows for reduced external component values. Figure 1. Typical Application Additional Information For the full datasheet, please contact a Fairchild Sales Representative. Ordering Information Part Number Output Discharge Temperature Range Packing Method FAN49103AUC340X Yes -40 to 85°C Tape and Reel |
类似零件编号 - FAN49103 |
|
类似说明 - FAN49103 |
|
|
链接网址 |
隐私政策 |
ALLDATASHEETCN.COM |
ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 链接交换 | 制造商名单 All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |