RSQ045N03 Nch 30V 4.5A Power MOSFET Datasheet lOutline (6) V 30V DSS TSMT6 (5) (4) R (Max.) 38mW DS(on) I 4.5A (1) D (2) P 1.25W D (3) lFeatures lInner circuit 1) Low on - resistance. (1) Drain (2) Drain 2) Built-in G-S Protection Diode. (3) Gate (4) Source 3) Small Surface Mount Package (TSMT6). (5) Drain (6) Drain 4) Pb-free lead plating RoHS compliant *1 ESD PROTECTION DIODE *2 BODY DIODE lPackaging specifications Packaging Taping Reel size (mm) 180 lApplication Tape width (mm) 8 DC/DC converters Type Basic ordering unit (pcs) 3,000 Taping code TR Marking QL lAbsolute maximum ratings(T = 25C) a Parameter Symbol Value Unit Drain - Source voltage V 30 V DSS *1 Continuous drain current I 4.5 A D *2 Pulsed drain current A I 18 D,pulse V Gate - Source voltage 20 V GSS *3 P 1.25 W D Power dissipation *4 0.6 W P D T Junction temperature 150 C j T Range of storage temperature -55 to +150 C stg www.rohm.com 2012 ROHM Co., Ltd. All rights reserved. 2012.10 - Rev.B 1/11Data Sheet RSQ045N03 lThermal resistance Values Parameter Symbol Unit Min. Typ. Max. *3 R - - 100 C/W thJA Thermal resistance, junction - ambient *4 R - - 208 C/W thJA lElectrical characteristics(T = 25C) ,unless otherwise specified a Values Parameter Symbol Conditions Unit Min. Typ. Max. Drain - Source breakdown V V = 0V, I = 1mA 30 - - V (BR)DSS GS D voltage V I =1mA Breakdown voltage (BR)DSS D - 26 - mV/C temperature coefficient T referenced to 25C j I V = 30V, V = 0V Zero gate voltage drain current - - 1 mA DSS DS GS Gate - Source leakage current I V = 20V, V = 0V - - 10 mA GSS GS DS V V = 10V, I = 1mA Gate threshold voltage 1.0 - 2.5 V GS (th) DS D V I =1mA Gate threshold voltage (GS)th D - -2.8 - mV/C temperature coefficient T referenced to 25C j V =10V, I =4.5A - 27 38 GS D V =4.5V, I =4.5A - 36 51 GS D Static drain - source *5 R m W DS(on) on - state resistance V =4.0V, I =4.5A - 40 56 GS D V =10V, I =4.5A, T =125C - 50 70 GS D j R Gate input resistannce f = 1MHz, open drain - 6 - W G *5 Transconductance V =10V, I =4.5A 3.5 7.0 - S g DS D fs *1 Limited only by maximum temperature allowed. *2 Pw 10ms, Duty cycle 1% *3 Mounted on a ceramic board (30300.8mm) *4 Mounted on a FR4 (15200.8mm) *5 Pulsed www.rohm.com 2012 ROHM Co., Ltd. All rights reserved. 2012.10 - Rev.B 2/11