Motor de Búsqueda de Datasheet de Componentes Electrónicos |
|
LM3502SQ-25 Datasheet(PDF) 4 Page - National Semiconductor (TI) |
|
|
LM3502SQ-25 Datasheet(HTML) 4 Page - National Semiconductor (TI) |
4 / 18 page Absolute Maximum Ratings (Notes 6, 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. V IN Pin −0.3V to +5.5V Sw Pin −0.3V to +48V Fb Pin −0.3V to +5.5V Cntrl Pin −0.3V to +5.5V V OUT1 Pin −0.3V to +48V V OUT2 Pin −0.3V to V OUT1 En1 −0.3V to +5.5V En2 −0.3V to +5.5V Continuous Power Dissipation Internally Limited Maximum Junction Temperature (T J-MAX) +150˚C Storage Temperature Range −65˚C to +150˚C ESD Rating (Note 2) Human Body Model: Machine Model: 2kV 200V Operating Conditions (Notes 1, 6) Junction Temperature (T J) Range −40˚C to +125˚C Ambient Temperature (T A) Range −40˚C to +85˚C Input Voltage, V IN Pin 2.5V to 5.5V Cntrl, En1, and En2 Pins 0V to 5.5V Thermal Properties (Note 4) Junction-to-Ambient Thermal Resistance ( θ JA) Micro SMD Package 65˚C/W Leadless Leadframe Package 49˚C/W Preliminary Electrical Characteristics (Notes 6, 7) Limits in standard typeface are for T J = 25˚C. Limits in bold typeface apply over the full operating junction temperature range (−40˚C ≤ T J ≤ +125˚C). Unless otherwise specified, V IN = 2.5V. Symbol Parameter Conditions Min Typ Max Units V IN Input Voltage 2.5 5.5 V I Q Non-Switching Switching Shutdown Low I Q Shutdown Fb > 0.25V Fb = 0V, Sw Is Floating Cntrl = 0V Cntrl = 1.5V, En1 = En2 = 0V 0.5 1.9 0.1 6 1 3 3 15 mA mA µA µA V Fb Feedback Voltage 0.18 0.25 0.3 V I CL NMOS Power Switch Current Limit −16, Fb = 0V −25, Fb = 0V −35, Fb = 0V −44, Fb = 0V 250 400 450 450 400 600 750 750 650 800 1050 1050 mA I Fb Feedback Pin Bias Current (Note 8) Fb = 0.25V 64 500 nA F S Switching Frequency 0.8 1 1.2 MHz R DS(ON) NMOS Power Switch ON Resistance (Figure 2: N1) I Sw = 500 mA 0.55 1.1 Ω R PDS(ON) PMOS ON Resistance of V OUT1/VOUT2 Switch (Figure 2: N1) I PMOS = 20 mA, En1 = 0V, En2 = 1.5V 5 10 Ω R NDS(ON) NMOS ON Resistance of V OUT2/Fb Switch (Figure 2: N2) I NMOS = 20 mA, En1 = 1.5V, En2 = 0V 2.5 5 Ω D MAX Maximum Duty Cycle Fb = 0V 90 95 % I Cntrl Cntrl Pin Input Bias Current (Note 3) Cntrl = 2.5V Cntrl = 0V 7 0.1 14 µA I Sw Sw Pin Leakage Current (Note 3) Sw = 42V, Cntrl = 0V 0.01 5 µA I VOUT1(OFF) VOUT1 Pin Leakage Current (Note 3) V OUT1 = 14V, Cntrl = 0V (16) V OUT1 = 23V, Cntrl = 0V (25) V OUT1 = 32V, Cntrl = 0V (35) V OUT1 = 42V, Cntrl = 0V (44) 0.1 0.1 0.1 0.1 3 3 3 3 µA www.national.com 4 |
Número de pieza similar - LM3502SQ-25 |
|
Descripción similar - LM3502SQ-25 |
|
|
Enlace URL |
Política de Privacidad |
ALLDATASHEET.ES |
¿ALLDATASHEET es útil para Ud.? [ DONATE ] |
Todo acerca de Alldatasheet | Publicidad | Contáctenos | Política de Privacidad | Intercambio de Enlaces | Lista de Fabricantes All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |