Os motores de busca de Datasheet de Componentes eletrônicos |
|
LM2576DP-ADJ Folha de dados(PDF) 3 Page - HTC Korea TAEJIN Technology Co. |
|
LM2576DP-ADJ Folha de dados(HTML) 3 Page - HTC Korea TAEJIN Technology Co. |
3 / 11 page 3A, 52kHz, Step-Down Switching Regulator LM2576 Dec 2011 – Rev. 1.3 - 3 - HTC PIN CONFIGURATION SOP8-PP TO220-5L TO263-5L PIN DESCRIPTION Package Symbol Description TO-220 5L TO-263 5L SOP8-PP 1 1 VIN This pin is the positive input supply for the LM2576 step–down switching regulator. In order to minimize voltage transients and to supply the switching currents needed by the regulator, a suitable input bypass capacitor must be present. (Cin in Figure 1). 2 2 VOUT This is the emitter of the internal switch. The saturation voltage VSAT of this output switch is typically 1.5V. It should be kept in mind that the PCB area connected to this pin should be kept to a minimum in order to minimize coupling to sensitive circuitry. 3 6 GND Circuit ground pin. See the information about the printed circuit board layout. 4 3 FEEDBACK This pin senses regulated output voltage to complete the feedback loop. The signal is divided by the internal resistor divider network R2, R1 and applied to the non–inverting input of the internal error amplifier. In the adjustable version of the LM2576 switching regulator this pin is the direct input of the error amplifier and the resistor network R2, R1 is connected externally to allow programming of the output voltage. 5 4 ON/OFF It allows the switching regulator circuit to be shutdown using logic level signals, thus dropping the total input supply current to approximately 80uA. The threshold voltage is typically 1.4V. Applying a voltage above this value (up to +Vin) shuts the regulator off. If the voltage applied to this pin is lower than 1.4V or if this pin is left open, the regulator will be in the "on" condition - 5, 7, 8 N.C. No Connect. * Exposed Pad of SOP8-PP package should be externally connected to GND. Exposed PAD VIN 1 VOUT 2 FEEDBACK 3 ON/OFF 4 8 N.C 7 N.C 6 GND 5 N.C. |
Nº de peça semelhante - LM2576DP-ADJ |
|
Descrição semelhante - LM2576DP-ADJ |
|
|
Ligação URL |
Privacy Policy |
ALLDATASHEETPT.COM |
ALLDATASHEET é útil para você? [ DONATE ] |
Sobre Alldatasheet | Publicidade | Contato conosco | Privacy Policy | roca de Link | 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 |