TDA4700A Siemens Semiconductor, TDA4700A Datasheet - Page 11

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

Absolute Maximum Ratings
Parameter
Supply voltage
Voltage at Q1, Q2
Current at Q1, Q2
Symmetry 1, 2 TDA 4700; A
Sync output
Sync input
Input
Input
Input
Input
Input
Input comparator
K2, K5, K6, K7
Output K5
Input op amp
Output op amp TDA 4700; A
Reference voltage
Input
Junction temperature
Storage temperature
Thermal resistance
system - air
Semiconductor Group
C
R
C
R
C
C
T
R
filter
T
R
soft start
TDA 4700; A
TDA 4700; A
TDA 4718
TDA 4718 A
Symbol
V
V
I
V
V
I
V
V
V
V
V
I
V
V
V
V
V
V
T
T
R
R
R
Q
SYNC Q
I CR
j
stg
S
Q
SYM
SYNC Q
SYNC I
I Cf
I RT
I CT
I RR
I K
Q K5
I Op Amp
Q Op Amp
REF
I soft start
th SA
th SA
th SA
11
min.
– 0.3
– 0.3
– 0.3
– 0.3
0
– 0.3
– 0.3
– 0.3
– 0.3
– 0.3
– 10
– 0.3
– 0.3
– 0.3
– 0.3
– 0.3
– 0.3
– 55
Limit Values
max.
33
33
70
33
7
10
33
7
7
7
7
10
33
33
33
V
max. 7
V
7
150
125
65
70
60
S
REF
– 1
Unit
V
V
mA
V
V
mA
V
V
V
V
V
mA
V
V
V
V
V
V
V
K/W
K/W
K/W
C
C
Test
Condition
Q1, Q2 high
Q1, Q2 low
SYNC Q high
SYNC Q low
TDA 4700
TDA 4718