TDA4605 Datasheet, PDF (12/21 Pages) STMicroelectronics – CONTROL CIRCUIT FOR SWITCH MODE POWER SUPPLIES USING MOS TRANSISTORS

TDA 4605
Characteristics (cont’d)
T_A = 25 ˚C
Parameter
Symbol
Limit Values
Unit
min. typ. max.
Test Condition
Output Stage
Saturation voltages
S in position 1
Output sourcing
Output sourcing
Output sinking
Output sinking
Output slew rate
Rising slope
Falling slope
V_Sat0
V_Sat0
V_SatV
V_SatV
+ dV₅/dt
+ dV₅/dt
1.5 2.0 V
2.5 3.0 V
1.0 1.2 V
1.4 1.8 V
I ₅ = – 0.1 A
I₅ = – 1 A
I ₅ = 0.1 A
I ₅ = 0.5 A
50
V/µs
80
V/µs
Soft-Start
Open-circuit
V₇
2.2 2.6 2.9 V
V₁ = 0
Input resistance
R _7L
4
6
9
kΩ
0.5 V ≤ V₇ ≤ 3 V
Peak voltage
V_2S
1.0 1.2 1.4 V
V₇ = 0
Protection Circuit
Undervoltage
protection for V₆ at
pin 5 = V_{5 min}
if V₆ < V_{6 min}
(definition:
V_{6 min} = V_6A + ∆V₆)
Overvoltage
protection for
V₆ voltage at
pin 5 = V_{5 min}
if V₆ > V_{6 max}
Undervoltage
protection for V_AC
voltage at
pin 5 = V_{5 min}
if V₃ < V_3A
Over temperature
chip temperature for
V_{5 min}
∆V₆
V_{6 max}
V_3A
T_j
100
mV
14 15 16 V
925 1000 1075 mV
125
˚C
V₂' = 0 V
–
Test
Circuit
1
1
1
1
2
2
2
2
2
2
2
1
2
Semiconductor Group
44