TDA4605-3 Datasheet, PDF (11/20 Pages) Siemens Semiconductor Group – Control IC for Switched-Mode Power Supplies using MOS-Transistor

TDA 4605-3
Characteristics (cont’d)
T_A = 25 ˚C; V_S = 10 V
Parameter
Symbol
Limit Values
Unit
min. typ. max.
Test Condition
Test
Circuit
Generally Valid Data (V₆ = 10 V)
Voltage of the Zero Transition Detector
Positive clamping
V_8P
0.7 0.75 0.82 V
I₈ = 1 mA
2
voltage
Negative clamping V_8N
– 0.25 – 0.2 – 0.15 V
I₈ = – 1 mA
2
voltage
Threshold value
V_8S
40 50 76 mV
2
Suppression of
t_UL
3.0 3.5 3.8 µs
2
transformer ringing
Input current
– I₈
0
4
µA V₈ = 0
2
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 V
I₅ = – 0.1 A
1
1.0 1.2 V
I₅ = + 0.1 A
1
1.4 1.8 V
I₅ = + 0.5 A
1
Output Slew Rate
Rising edge
+ dV₅/dt
70
V/µs
2
Falling edge
+ dV₅/dt
100
V/µs
2
Reduction of Control Voltage
Current to reduce the – I₁
control voltage
50
130 µA
V₇ = 1.1 V, V₁ = 0.4 V
Semiconductor Group
84