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LP4056H Datasheet(PDF) 6 Page - Lowpower Semiconductor inc

Part # LP4056H
Description  1A Standalone Linear Li-Ion Battery Charger
PDF  7 Pages
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Manufacturer  POWER [Lowpower Semiconductor inc]
Direct Link  http://www.lowpowersemi.com
Logo POWER - Lowpower Semiconductor inc

LP4056H Datasheet(HTML) 6 Page - Lowpower Semiconductor inc

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LP4056H – 00
Jan.-2019
Email: marketing@lowpowersemi.com
www.lowpowersemi.com
Page 6 of 7
Preliminary Datasheet
LP4056H
Power Dissipation
The conditions that cause the LP4056H to reduce charge
current through thermal feedback can be approximated by
considering the power dissipated in the IC. Nearly all of this
power dissipation is generated by the internal MOSFET—this
is calculated to be approximately:
PD=(VIN-VBAT) • IBAT
where PD is the power dissipated, VIN is the input supply
voltage, VBAT is the battery voltage and IBAT is the charge
current. The approximate ambient temperature at which the
thermal feedback begins to protect the IC is:
TA=125℃-PDθJA
TA=125℃-(VIN-VBAT) • IBAT • θJA
.



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