TDA4700A Siemens Semiconductor, TDA4700A Datasheet - Page 16

• Manufacturer Part Number: TDA4700A
• Description: Control IC for Single-Ended and Push-Pull Switched-Mode Power Supplies SMPS
• Manufacturer: Siemens Semiconductor

Characteristics (cont’d)
V
Parameter
Supply Undervoltage
Turn-ON threshold for
V
Turn-OFF threshold
for
Input
Rated voltage for
rated frequency
Frequency approx.
proportional to voltage
within the range
Voltage at open
sync input
Semiconductor Group
S
S
= 11 to 30 V;
rising
V
S
C
falling
filter
T
A
= – 25 to 85 C
Symbol
V
V
V
V
V
S
S
R
R
C filter
min.
8.8
8.5
3
Limit Values
16
typ.
4
1.6
max.
11
10.5
10.5
10
5
Unit
V
V
V
V
V
V
V
Test
Condition
0 C <
0 C <
TDA 4700
TDA 4718
T
T
A
A
< 70 C
< 70 C