TDA4605-2 Datasheet, PDF (13/23 Pages) Siemens Semiconductor Group – Control IC for Switched-Mode Power Supplies using MOS-Transistors

TDA 4605-2
Characteristics (cont’d)
T_A = 25 ˚C; V_S = 10 V
Parameter
Symbol
Limit Values
Unit
min. typ. max.
Test Condition
Generally Valid Data (V₆ = 10 V)
Voltage of the Zero Transition Detector
Positive clamping
V_8P
0.75
voltage
Negative clamping V_8N
voltage
– 0.2
Threshold value
V_8S
Suppression of
t_UL
transformer ringing
40 50
4
4.5 5.5
Input current
– I₈
0
4
Push-Pull Output Stage
Saturation voltages
Pin 5 sourcing
Pin 5 sinking
Pin 5 sinking
V_Sat0
V_SatV
V_SatV
1.5 2.0
1.0 1.2
1.4 1.8
Output Slew Rate
Rising edge
+ dV₅/dt
20
Falling edge
+ dV₅/dt
50
Reduction of Control Voltage
Current to reduce the – I₁
50
control voltage
V
I₈ = 1 mA
V
I₈ = – 1 mA
mV
µs
µA
V₈ = 0
V
I₅ = – 0.1 A
V
I₅ = + 0.1 A
V
I₅ = + 0.5 A
V/µs
V/µs
µA
V₇ = 1.1 V
Test
Circuit
2
2
2
2
1
1
1
2
2
Version 2.0
13
1 Jul 2002