U2352B
| Model | U2352B |
| Description | PWM Power Control for DC Loads |
| PDF file | Total 8 pages (File size: 113K) |
| Chip Manufacturer | TEMIC |
U2352B
Electrical Characteristics
V
S
= 6 V, T
amb
= 25
_
C, reference point Pin 6, unless otherwise specified
Parameters
Supply voltage limitation
Current consumption
Voltage monitoring
Switch-on threshold
Switch-off threshold
Oscillator
f
OSC
[kHz]
Test Conditions / Pins
I
S
= 5 mA
Pin 8
I
S
= 20 mA
V
S
= 6 V
Pin 8
Pin 8
Pin 8
Symbol
V
S
I
S
V
SON
V
SOFF
Pin 1
V
Tu
V
Tl
–I
ch
I
dis
Pin 2
Pin 2
Pin 2–1
Pin 2–1
V
I
±I
i
±V
Offs
–
D
V
2
3.4
1.7
26
26
0
260
300
3.6
1.8
33
33
3.8
1.9
40
40
V
8
500
15
340
V
V
m
A
m
A
V
nA
mV
mV
5.2
4.7
Min.
6.4
6.5
Typ.
6.8
6.9
2.7
5.6
5.1
Max.
7.2
7.3
3.5
6.0
5.5
Unit
V
mA
V
[
C
OSC
55
[nF]
V
S
[V]
Upper threshold (0.6 V
S
)
Lower threshold (0.3 V
S
)
Charge current
Discharge current
Control voltage input
Input voltage range
Input current,
Offset voltage K
1
Window, current
measurement
Load current monitoring
Setpoint value input:
Input voltage range
Input current
Offset voltage K
2
Load current detection:
Voltage limitation
Voltage limitation
Discharge current at POR
Switch S
2
Residual voltage at closed
switch
0 V
≤
V
2
≤
V
8
0 V
≤
V
3
≤
6 V
Pin 3
Pin 3
Pin 4–3
Pin 5
Pin 5
Pin 4
Pin 5–4
V
I
±I
i
±V
Offs
V
L
–V
L
I
dis
0
6
500
15
2.3
0.7
V
nA
mV
V
mA
I
5
= 1 mA
I
5
= –1 mA
1
Push-pull output stage
Upper saturation voltage
Lower saturation voltage
Output current
ON state
OFF state
V
4
= 0 V, I
5
= 50
m
A
V
4
= 0.1 V, I
5
= 50
m
A
V
4
= 0.3 V, I
5
= 50
m
A
V
4
= 0.3 V, I
5
= 100
m
A
Pin 7
I
7
= –2 mA
Pin 7–8
I
7
= 10 mA
Pin 7
t
≤
2
m
s
t
≤
2
m
s
V
Sat
175
150
125
200
1
0.3
100
100
mV
–V
Satu
V
Satl
–i
o
i
o
V
V
mA
TELEFUNKEN Semiconductors
Rev. A1, 29-May-96
5 (8)
