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By Technology
The FAN49103 is a hgh efficiency buck-boost switching mode regulator which accpets 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 disturbaces. The output voltage and operation mode of the regulator can be programmed through an I2C 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 till 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 allwos for reduced external component values.
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fSW Typ (kHz)
Reference Price
FAN49103AUC330X
Active
Pb
A
H
P
WLCSP-20
1
260
REEL
3000
Y
Step-Up/Step-Down
Current Mode
2.5
5.5
3.3
2.5
96
1800
$0.4336
More Details
FAN49103AUC340X
Active
Pb
A
H
P
WLCSP-20
1
260
REEL
3000
Y
Step-Up/Step-Down
Current Mode
2.5
5.5
3.4
2.5
96
1800
$0.4336
More Details
FAN49103AUC34AX
Active
Pb
A
H
P
WLCSP-20
1
260
REEL
3000
F
Step-Up/Step-Down
Current Mode
2.5
5.5
3.4
2.5
96
1800
Price N/A
More Details
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可靠性数据
Die Related Summary Data
Device: FAN49103AUC340X
Equivalent to wafer fab process: BD
产品技术
产品技术
等效器件小时
平均故障间隔时间/平均无故障时间(按小时计算)
FITS
BD
0
1595257088
More Details
Re-calculate Data
Data is based on the following assumptions.
Note: The temperature and confidence level may be adjusted to your requirements.
Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)