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BLF861A Dataheets PDF



Part Number BLF861A
Manufacturers NXP Semiconductors
Logo NXP Semiconductors
Description UHF power LDMOS transistor
Datasheet BLF861A DatasheetBLF861A Datasheet (PDF)

DISCRETE SEMICONDUCTORS DATA SHEET www.DataSheet4U.com M3D392 BLF861A UHF power LDMOS transistor Product specification Supersedes data of 2000 Aug 04 2001 Feb 09 Philips Semiconductors Product specification UHF power LDMOS transistor FEATURES • High power gain • Easy power control • Excellent ruggedness • Designed to withstand abrupt load mismatch errors • Source on underside eliminates DC isolators; reducing www.DataSheet4U.com common mode inductance • Designed for broadband operation (UHF .

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DISCRETE SEMICONDUCTORS DATA SHEET www.DataSheet4U.com M3D392 BLF861A UHF power LDMOS transistor Product specification Supersedes data of 2000 Aug 04 2001 Feb 09 Philips Semiconductors Product specification UHF power LDMOS transistor FEATURES • High power gain • Easy power control • Excellent ruggedness • Designed to withstand abrupt load mismatch errors • Source on underside eliminates DC isolators; reducing www.DataSheet4U.com common mode inductance • Designed for broadband operation (UHF band) • Internal input and output matching for high gain and optimum broadband operation. 1 2 BLF861A PINNING - SOT540A PIN 1 2 3 4 5 drain 1 drain 2 gate 1 gate 2 source connected to flange DESCRIPTION APPLICATIONS • Communication transmitter applications in the UHF frequency range. 3 4 MBK777 5 DESCRIPTION Silicon N-channel enhancement mode lateral D-MOS push-pull transistor in a SOT540A package with ceramic cap. The common source is connected to the mounting flange. QUICK REFERENCE DATA RF performance at Th = 25 °C in a common source 860 MHz test circuit. MODE OF OPERATION CW, class-AB PAL BG (TV); class-AB f (MHz) 860 860 (ch 69) VDS (V) 32 32 PL (W) 150 >150 typ. 170 (peak sync) Top view Fig.1 Simplified outline. Gp (dB) >13.5 typ. 14.5 >14 ηD (%) >50 >40 ∆Gp (dB) ≤1 note 1 Note 1. Sync compression: input sync ≥ 33%; output sync 27%. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). SYMBOL VDS VGS ID Ptot Tstg Tj PARAMETER drain-source voltage gate-source voltage drain current (DC) total power dissipation storage temperature junction temperature Tmb ≤ 25 °C CONDITIONS − − − − −65 − MIN. 65 ±15 18 318 +150 200 MAX. V V A W °C °C UNIT 2001 Feb 09 2 Philips Semiconductors Product specification UHF power LDMOS transistor THERMAL CHARACTERISTICS SYMBOL Rth j-mb Rth mb-h PARAMETER thermal resistance from junction to mounting base thermal resistance from mounting base to heatsink CONDITIONS Tmb = 25 °C; Ptot = 318 W BLF861A VALUE 0.55 0.2 UNIT K/W K/W CHARACTERISTICS Tj = 25 °C; per section; unless otherwise specified. www.DataSheet4U.com SYMBOL V(BR)DSS VGSth IDSS IDSX IGSS gfs RDSon Ciss Coss Crss Note 1. Capacitance values without internal matching. PARAMETER drain-source breakdown voltage gate-source threshold voltage drain-source leakage current drain cut-off current gate leakage current forward transconductance drain-source on-state resistance input capacitance output capacitance feedback capacitance CONDITIONS VGS = 0; ID = 1.5 mA VDS = 10 V; ID = 150 mA VGS = 0; VDS = 32 V VGS = VGSth + 9 V; VDS = 10 V VGS = ±15 V; VDS = 0 VDS = 10 V; ID = 4 A VGS = VGSth + 9 V; ID = 4 A VGS = 0; VDS = 32 V; f = 1 MHz VGS = 0; VDS = 32 V; f = 1 MHz (1) MIN. 65 4 − 18 − − − − − TYP. − − − − − 4 160 82 40 6 MAX. − 5.5 2.2 − 25 − − − − − UNIT V V µA A nA S mΩ pF pF pF VGS = 0; VDS = 32 V; f = 1 MHz (1) − (1) handbook, halfpage 100 Coss (pF) 80 MLD510 60 40 20 0 0 10 20 30 40 50 VDS (V) VGS = 0; f = 1 MHz; Tj = 25 °C. Fig.2 Output capacitance as a function of drain-source voltage; typical values per section. 2001 Feb 09 3 Philips Semiconductors Product specification UHF power LDMOS transistor BLF861A APPLICATION INFORMATION RF performance in a common source 860 MHz test circuit. Th = 25 °C; Rth mb-h = 0.15 K/W; unless otherwise specified. MODE OF OPERATION CW; class-AB 2-tone; class-AB www.DataSheet4U.com PAL BG (TV); class-AB f (MHz) 860 f1 = 860 f1 = 860.1 860 (ch 69) VDS (V) 32 32 32 IDQ (A) 1 1 1 PL (W) 150 150 (PEP) > 150 typ. 170 (peak sync) Gp (dB) >13.5 typ. 14.5 >14 >14 ηD (%) >50 >40 >40 dIm (dBc) − ≤−25 − ∆Gp (dB) ≤1 − note 1 Note 1. Sync compression: input sync ≥ 33%; output sync 27% measured in an 860 MHz test circuit. Ruggedness in class-AB operation The BLF861A is capable of withstanding a load mismatch corresponding to VSWR = 10 : 1 through all phases under the following conditions: VDS = 32 V; f = 860 MHz at rated load power. The BLF861A is an improved version of the BLF861 on ruggedness and is capable to withstand abrupt source or load mismatch errors under the nominal power condition. handbook, halfpage 12 MCD871 handbook, halfpage 10 MCD872 zi (Ω) xi ZL (Ω) 5 RL 8 4 ri 0 XL 0 400 500 600 700 800 900 f (MHz) −5 400 500 600 700 800 900 f (MHz) CW, class-AB operation; VDS = 32 V; IDQ = 1 A; PL = 170 W (total device); Th = 25 °C. CW, class-AB operation; VDS = 32 V; IDQ = 1 A; PL = 170 W (total device); Th = 25 °C. Fig.3 Input impedance as a function of frequency (series components); typical push-pull values. Fig.4 Load impedance as a function of frequency (series components); typical push-pull values. 2001 Feb 09 4 Philips Semiconductors Product specification UHF power LDMOS transistor BLF861A handbook, halfpage 20 MLD514 80 ηD (%) 60 handbook, halfpage 0 MLD515 Gp (dB) 15 Gp dim (dBc) −20 d3 www.DataSheet4U.com 10 ηD 40 −40 d5 5 20 −60 0 0 100 0 200 300 PL (PEP) (W) −80 0 100 200 300 PL (PE.


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