Motor de Búsqueda de Datasheet de Componentes Electrónicos |
|
TDA8931 Datasheet(PDF) 7 Page - NXP Semiconductors |
|
TDA8931 Datasheet(HTML) 7 Page - NXP Semiconductors |
7 / 31 page 9397 750 13847 © Koninklijke Philips Electronics N.V. 2005. All rights reserved. Preliminary data sheet Rev. 01 — 14 January 2004 7 of 31 Philips Semiconductors TDA8931 Power comparator 1 × 20 W The overvoltage protection level can be determined by the formula: (1) Where: VP(OVP) = overvoltage protection level of supply voltage R1 = external resistor R2 = external resistor VOVP = 1.27 V reference voltage. Example: The TDA8931 has to shut down at 24 V. When we choose R2 = 10 k Ω, then R1 has to be 178 k Ω and V P(OVP) becomes 24 V. Remark: When pin OVP is connected to VSSD the VP(OVP)fix level is used. 8.6.4 Undervoltage protection (UVP) When the supply voltage applied to the TDA8931 drops below the minimum supply voltage threshold level the device is internally set to Standby mode. 8.6.5 Supply voltage drop protection When the TDA8931T is switched off with the supply, it will be switched off before it reaches the voltage on pin HVP. This prevents switch-off pop noise. This function is not self recovering. The TDA8931T can be recovered by switching to Sleep mode or by removing the supply voltage. 8.6.6 Overdissipation protection (ODP) In case of a short-circuit across the speaker the dissipation is minimized by the ODP. When the OCP and the OTP are on the same time activated, an over dissipation is defined. The device is set to Sleep mode and is not self-recovering. When pin POWERUP=0V or the supply voltage is removed, the device is recovered. Fig 3. Overvoltage protection setting 001aac234 VPA OVP R1 R2 TDA8931 V P OVP () R1 R2 + R2 -------------------- V OVP × = |
Número de pieza similar - TDA8931 |
|
Descripción similar - TDA8931 |
|
|
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 |