|
|
PDF TDA4605-3 Data sheet ( Hoja de datos )
| Número de pieza | TDA4605-3 | |
| Descripción | PWM-QR IC | |
| Fabricantes | Infineon | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de TDA4605-3 (archivo pdf) en la parte inferior de esta página. Total 23 Páginas | ||
|
No Preview Available !
Datasheet, V2.0, 1 Jul 2002
PWM-QR IC
TDA4605-3
Control IC for Switched-Mode
Power Supplies using
MOS-Transistors
Power Management & Supply
Never stop thinking.
1 page  
TDA 4605-3
Pin Definitions and Functions
Pin No.
1
2
3
Function
Information Input Concerning Secondary Voltage. By comparing the
regulating voltage - obtained trom the regulating winding of the transformer - with
the internal reference voltage, the output impulse width on pin 5 is adjusted to the
load of the secondary side (normal, overload, short-circuit, no load).
Information Input Regarding the Primary Current. The primary current rise in
the primary winding is simulated at pin 2 as a voltage rise by means of external
RC-element. When a voltage level is reached thats derived from the regulating
voltage at pin 1, the output impulse at pin 5 is terminated. The RC-element serves
to set the maximum power at the overload point set.
Input for Primary Voltage Monitoring: In the normal operation V3 is moving
between the thresholds V3H and V3L (V3H > V3 > V3L).
V3 < V3L: SMPS is switched OFF (line voltage too low).
V3 > V3H : Compensation of the overload point regulation (controlled by pin 2)
starts at V3H : V3L = 1.7.
4 Ground
5 Output: Push-pull output provides ± 1 A for rapid charge and discharge of the
gate capacitance of the power MOS-transistor.
6 Supply Voltage Input: A stable internal reference voltage VREF is derived from
the supply voltage also the switching thresholds V6A , V6E , V6 max and V6 min for
the supply voltage detector. If V6 > V6E then VREF is switched on and swiched off
when V6 < V6A . In addition the logic is only enable for V6 min < V6 < V6 max.
7 Input for Soft-Start. Start-up will begin with short pulses by connecting a
capacitor from pin 7 to ground.
8 Input for the Oscillation Feedback. After starting oscillation, every zero
transition of the feedback voltage (falling edge) through zero (falling edge)
triggers an output pulse at pin 5. The trigger threshold is at + 50 mV typical.
Version 2.0
5
1 Jul 2002
5 Page 
TDA 4605-3
Absolute Maximum Ratings
TA = – 20 to 85 ˚C
Parameter
Voltages
pin 1
pin 2
pin 3
pin 5
pin 6
pin 7
Currents
pin 1
pin 2
pin 3
pin 4
pin 5
pin 6
pin 7
pin 8
Junction temperature
Storage temperature
Symbol
V1
V2
V3
V5
V6
V7
I1
I2
I3
I4
I5
I6
I7
I8
Tj
Tstg
Limit Values
min. max.
– 0.3
– 0.3
– 0.3
– 0.3
– 0.3
– 0.3
3
V6
20
– 1.5
– 0.5
–5
3
3
3
1.5
0.5
3
3
125
– 40 125
Unit
V
V
V
V
V
V
mA
mA
mA
A
A
A
mA
mA
˚C
˚C
Remarks
Supply voltage
tp ≤ 50 µs; v ≤ 0.1*)
tp ≤ 50 µs; v ≤ 0.1
tp ≤ 50 µs; v ≤ 0.1
Operating Range
Supply voltage
Ambient temperature
Heat resistance
Junction to environment
Junction case
*) t p= pulse width
v= duty circle
V6 7.5 15.5 V IC "on"
TA
– 20 85
˚C
Rth JE
Rth JC
100 K/W
70 K/W measured at pin 4
Version 2.0
11
1 Jul 2002
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet TDA4605-3.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| TDA4605-2 | Control IC for Switched-Mode Power Supplies using MOS-Transistors |  Siemens Semiconductor |
| TDA4605-3 | Control IC for Switched-Mode Power Supplies using MOS-Transistor | Siemens Semiconductor |
| TDA4605-3 | PWM-QR IC | Infineon |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |