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IP1844 Fiches technique(PDF) 3 Page - Seme LAB

No de pièce IP1844
Description  CURRENT MODE REGULATING PULSE WIDTH MODULATORS
PDF  6 Pages
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Fabricant  SEME-LAB [Seme LAB]
Site Internet  http://www.semelab.co.uk
Logo SEME-LAB - Seme LAB

IP1844 Fiches technique(HTML) 3 Page - Seme LAB

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LAB
SEME
IP1844 SERIES
IP1845 SERIES
Semelab plc. Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 2/95
4.90
5.00
5.10
620
625
0.2
0.4
4.82
5.18
50
525
30
80
160
47
52
57
0.2
1
5
1.7
8.3
8
2.42
2.50
2.58
–0.3
–2
65
90
0.7
1
60
70
26
–0.5
–0.8
5.0
6.0
0.7
1.1
4.95
5.00
5.05
620
625
0.2
0.4
4.90
5.10
50
525
30
80
160
47
52
57
0.2
1
5
1.7
8.3
8
2.45
2.50
2.55
–0.3
–1
65
90
0.7
1
60
70
26
–0.5
–0.8
5.0
6.0
0.7
1.1
IP1844/IP1845
IP3844
IP2844/IP2845
IP3845
Parameter
Test Conditions
Min.
Typ.
Max.
Min.
Typ.
Max.
Units
Output Voltage
Input Regulation
Output Regulation
Temperature Stability
Total Output Variation
Output Noise Voltage
Long Term Stability
Output Short Circuit
Current
Frequency
Voltage stability
Temperature Stability
Amplitude
Discharge Current
Input Voltage
Input Bias Current
Open Loop Voltage
Gain
Unity Gain Bandwidth
Supply Voltage
Rejection
Output Sink Current
Output Source Current
VOUT High
VOUT Low
IO = 1mA
TJ = 25°C
VCC = 12V to 25V
IO = 1mA to 20mA
Line, Load, Temp
f = 10Hz to 10kHz
TJ = 25°C
TJ = 125°C @ 1000Hrs
VREF = 0
TJ = 25°C
VCC = 12V to 25V
∆T
A = Min to Max
VPIN4 Peak to Peak
TJ = 25°C
∆T
A = Min to Max
VPIN1 = 2.5V
VO = 2V to 4V
VCC = 12V to 25V
VPIN2 = 2.7V
VPIN1 = 1.1V
VPIN2 = 2.3V
VPIN1 = 5.0V
VPIN2 = 2.3V
RL = 15kΩ
VPIN2 = 2.7V
RL = 15kΩ
V
mV
mV
°C
V
µV
mV
mA
kHz
%
%
V
mA
%
V
µA
dB
MHz
dB
mA
V
ELECTRICAL CHARACTERISTICS (Over Full Operating Temperature Range unless otherwise stated)
REFERENCE SECTION
OSCILLATOR SECTION
ERROR AMP SECTION
NOTES
1. Test Conditions unless otherwise stated:
VCC = 15V* , RT = 10kΩ , CT = 3.3nF , f = 52kHz.
*Adjust VCC above start threshold before setting at required level.
All specifications apply over the full operating temperature range
unless otherwise stated. (See Ordering Information for further details).



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