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IP1845A датащи(PDF) 3 Page - Seme LAB

номер детали IP1845A
подробное описание детали  CURRENT MODE REGULATING PULSE WIDTH MODULATORS
PDF  6 Pages
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производитель  SEME-LAB [Seme LAB]
домашняя страница  http://www.semelab.co.uk
Logo SEME-LAB - Seme LAB

IP1845A датащи(HTML) 3 Page - Seme LAB

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LAB
SEME
IP1844A SERIES
IP1845A SERIES
Semelab plc. Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 2/95
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.
2. Output frequency is half the oscillator frequency.
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
7.8
8.3
8.8
79
2.42
2.50
2.58
–0.3
–2
65
90
0.7
1
60
70
26
–0.5
–0.8
56
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
7.8
8.3
8.8
79
2.45
2.50
2.55
–0.3
–1
65
90
0.7
1
60
70
26
–0.5
–0.8
56
0.7
1.1
IP1844A , IP1845A
IP3844A
IP2844A , IP2845A
IP3845A
Parameter
Test Conditions 1
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
(Note 2)
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 = 5V
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
All specifications apply over the full operating temperature range unless otherwise stated.
(See Ordering Information for further details).



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