TB7109F Datasheet Power supply IC

Manufacturer: Toshiba

Overview: TOSHIBA BiCD Integrated Circuit Silicon Monolithic TB7109F TB7109F Power supply IC for LNB The TB7109F is single chip power supply ICs for LNB that integrated buck DC-DC converter section utilizing a chopper circuit and series regulator section. The TB7109F contains high-speed P-channel MOSFETs for the high side main switch to achieve high efficiency. And series regulator section is fed into a overcurrent circuit of fold buck type, and it protects this product from the short circuit state of the load.

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TB7109F power supply ic by Toshiba - Datasheet Preview

Datasheet Details

Part number	TB7109F
Manufacturer	Toshiba
File Size	508.84 KB
Description	Power supply IC
Download	TB7109F Download (PDF)

Key Features

Output current: DC-DC Converter section IOUT1 = 500mA(max. ) Series Regulator section IOUT2 = 400mA(max. ) HSON8-P-0505-1.27 Weight: 0.068 g (typ. ).
High efficiency: DC-DC Converter section η = 95% (typ. ) (@VIN1 = 24V, VOUT1 = 17V, IOUT1 = 300mA).
Operating input voltage range: VIN1 = 8V to 27V.
On-state resistance: RDS(ON) = 0.7Ω (high-side) typical (@VIN1 = 24V, Tj = 25℃).
Oscillation frequency: fOSC = 400kHz (typ. ).
Reference voltage.

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