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U2008B

U2008B

Model U2008B
Description Low Cost Current Feedback Phase Control Circuit
PDF file Total 10 pages (File size: 124K)
Chip Manufacturer TEMIC
U2008B
Absolute Maximum Ratings
V
S
= 14 V, reference point Pin 4, unless otherwise specified
Parameters
Current limitation
Pin 5
t
10 m
s
Sync. currents
Pin 7
t
10 m
s
Phase control
Pin 3
Control voltage
Input current
Charge current
Pin 6
Load current monitoring / Soft-start
Input current
Input voltage
Pulse output
Input voltage
Pin 8
Symbol
–I
S
–i
S
I
syncV
i
syncV
Value
30
100
5
20
V
S
to 0
500
0.5
1
–40 to + 125
2
V
S
40 to 125
10 to 125
Unit
mA
mA
v
v
"
"
–V
I
I
I
– I
ϕmax
"
V
m
A
mA
mA
V
V

C

C
Pin 1
I
I
V
I
+V
I
–V
I
T
stg
T
j
Storage temperature range
Junction temperature range
*
*
)
)
Thermal Resistance
Parameters
Junction ambient
DIP8
SO8 on p.c.
SO8 on ceramic
Symbol
R
thJA
Value
110
220
140
Unit
K/W
Electrical Characteristics
V
S
+
–13 V, T
amb
= 25°C, reference point Pin 4, unless otherwise specified
Test Conditions / Pins
Pin 5
–I
S
= 3.5 mA
–I
S
= 30 mA
Pins 1, 4 and 7 open
Pin 5
Symbol
–V
S
–I
S
–V
TON
Voltage sync.
Current sync.
I
L
=
2 mA
Pin 7
Pin 8
Pin 7
11.3
0.15
3
8.0
8.5
Min.
14.5
14.6
Typ.
Max.
16.5
16.8
3.0
12.3
2
30
9.0
Unit
V
mA
V
mA
m
A
V
Parameters
Supply
Supply voltage limitation
Current requirement
Voltage monitoring
Turn-on threshold
Phase control
Input current
Voltage limitation
"
"
I
syncV
"
I
syncI
"
V
syncV
TELEFUNKEN Semiconductors
Rev. A1, 28-May-96
5 (10)
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