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NTE1928 Datasheet(PDF) 2 Page - NTE Electronics

Part No. NTE1928
Description  Integrated Circuit Positive Adjustable Voltage Regulator, 4.5V to 40V, 45mA
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Maker  NTE [NTE Electronics]
Homepage  http://www.nteinc.com
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NTE1928 Datasheet(HTML) 2 Page - NTE Electronics

   
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Electrical Characteristics: (Note 2)
Parameter
Conditions
Min
Typ
Max
Units
Input Voltage Range
8.5
40
V
Output Voltage Range
4.5
30
V
Input–Output Voltage Differential
3.0
30
V
Load Regulation
RSC = 10Ω, TA = +25°C
0.02
0.05
%
(Note 3)
RSC = 10Ω, TA = +70°C
0.03
0.1
%
RSC = 10Ω, TA = 0°C
0.03
0.1
%
0
≤ IO ≤ 12mA
Line Regulation
VIN – VOUT ≤ 5V, TA = +25°C
0.025
0.06
%/V
VIN – VOUT ≥ 5V, TA = +25°C
0.015
0.03
%/V
Temperature Stability
TA = 0°C ≤ TA ≤ TA = +70°C
0.3
1.0
%
Feedback Sense Voltage
1.63
1.7
1.81
V
Output Noise Voltage
CREF = 0
0.005
%
CREF = 0.1µF
0.002
%
Standby Current Drain
VIN = 40V
0.8
2.0
mA
Current Limit Sense Voltage
TA = +25°C, RSC = 10Ω,
VOUT = 0V, (Note 4)
225
300
375
mV
Long Term Stability
0.1
%
Ripple rejection
CREF = 10µF, f = 120HZ
0.003
%/V
Note 2. Unless otherwise specified, these specifications apply for temperatures within the operating
temperature range, for input and output voltages within the range given, and for a divider
impedance seen by the feedback terminal of 2k
Ω. Load and line regulation specifications
are for a constant junction temperature. Temperature drift effects must be taken into account
separately when the unit is operating under conditions of high dissipation.
Note 3. The output currents given, as well as the load regulation, can be increased by the addition
of external transistors. The improvement factor will be roughly equal to the composite cur-
rent gain of the added transistors.
Note 4. With no external pass transistor.
8
7
6
5
4
3
2
1
Pin Connection Diagram
(Top View)
Regulated Output
GND
Compensation Shutdown
Current Limit
Feedback
Booster Output
Reference Bypass
Unregulated Input


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