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What is U2352?

This electronic component, produced by the manufacturer "TEMIC Semiconductors", performs the same function as "PWM Power Control for DC Loads".


U2352 Datasheet PDF - TEMIC Semiconductors

Part Number U2352
Description PWM Power Control for DC Loads
Manufacturers TEMIC Semiconductors 
Logo TEMIC Semiconductors Logo 


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PWM Power Control for DC Loads
U2352B
Description
The U2352B bipolar circuit is a PWM device for control-
ling logic level Power MOSFETs and IGBTs. It allows
simple power control for dc loads. Integrated load current
monitoring with adjustable switch-off threshold also
gives the option of measuring the load current via the
MOS transistor’s on-state resistance, RDS(on), or via a
shunt resistor.
Special Features
D Pulse width control up to 50 kHz clock frequency
D Load current monitoring via the on-state resistance,
RDS(on), of the FET or via shunt resistor (optional)
D 100 mA push-pull output stage
D Voltage monitoring
D Temperature-compensated supply voltage limitation
D Chip temperature monitoring
Applications
D Battery-operated screwdrivers
D Battery-operated machine tools
D Halogen lamp controllers
D Dimmers
D Electronic fuses
D High-performance clock generators
Package: DIP8, SO8
VS
2xI
S1
1
I
Oscillator
Chip
temperature
monitoring
140°C
Reference
voltage
Voltage
limitation 6.8 V
8
VS
2
K1
+
Output stage
logic
Time window
current measurement
QQ
SR
3–
K2
+
Load current
monitoring
4
POR
S2
7
Push-pull
output stage
6
GND
5
TELEFUNKEN Semiconductors
Rev. A1, 29-May-96
Figure 1. Block diagram
95 9670
1 (8)

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U2352 equivalent
Electrical Characteristics
VS = 6 V, Tamb = 25_C, reference point Pin 6, unless otherwise specified
Parameters
Test Conditions / Pins Symbol Min.
Supply voltage limitation IS = 5 mA
Pin 8
VS
6.4
IS = 20 mA
6.5
Current consumption
VS = 6 V
Pin 8
IS
Voltage monitoring
Switch-on threshold
Switch-off threshold
[Oscillator
fOSC [kHz]
55
COSC [nF]
Upper threshold (0.6 VS)
Lower threshold (0.3 VS)
Charge current
Discharge current
Control voltage input
Pin 8
Pin 8
VSON
VSOFF
VS [V]
Pin 1
VTu
VTl
–Ich
Idis
5.2
4.7
3.4
1.7
26
26
Input voltage range
Input current,
Offset voltage K1
Window, current
measurement
0 V V2 V8
Pin 2
Pin 2
Pin 2–1
Pin 2–1
VI
±Ii
±–VDOVf2fs
0
260
Load current monitoring
Setpoint value input:
Input voltage range
Input current
Offset voltage K2
Load current detection:
Voltage limitation
Voltage limitation
Discharge current at POR
Switch S2
Residual voltage at closed
switch
Push-pull output stage
Pin 3
0 V V3 6 V Pin 3
Pin 4–3
I5 = 1 mA
I5 = –1 mA
Pin 5
Pin 5
Pin 4
Pin 5–4
V4
V4
V4
V4
=
=
=
=
0 V,
0.1 V,
0.3 V,
0.3 V,
I5 =
I5 =
I5 =
I5 =
50 mA
50 mA
50 mA
100 mA
Pin 7
VI
±Ii
±VOffs
VL
–VL
Idis
VSat
0
1
Upper saturation voltage
Lower saturation voltage
Output current
ON state
OFF state
I7 = –2 mA
I7 = 10 mA
t 2 ms
t 2 ms
Pin 7–8
Pin 7
–VSatu
VSatl
–io
io
100
100
U2352B
Typ. Max. Unit
6.8 7.2 V
6.9 7.3
2.7 3.5 mA
5.6 6.0 V
5.1 5.5
3.6 3.8 V
1.8 1.9 V
33 40 mA
33 40 mA
V8 V
500 nA
15 mV
300 340 mV
6V
500 nA
15 mV
2.3 V
0.7
mA
175 mV
150
125
200
1V
0.3 V
mA
TELEFUNKEN Semiconductors
Rev. A1, 29-May-96
5 (8)


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for U2352 electronic component.


Information Total 8 Pages
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