NTE1928 View Datasheet(PDF) - NTE Electronics
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NTE1928 Datasheet PDF : 3 Pages
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Electrical Characteristics: (Note 2)
Parameter
Input Voltage Range
Output Voltage Range
Conditions
Min Typ Max Units
8.5
–
40
V
4.5
–
30
V
Input–Output Voltage Differential
Load Regulation
(Note 3)
RSC = 10Ω, TA = +25°C
RSC = 10Ω, TA = +70°C
RSC = 10Ω, TA = 0°C
Line Regulation
Temperature Stability
Feedback Sense Voltage
VIN – VOUT ≤ 5V, TA = +25°C
VIN – VOUT ≥ 5V, TA = +25°C
TA = 0°C ≤ TA ≤ TA = +70°C
3.0
–
30
V
– 0.02 0.05 %
– 0.03 0.1 %
– 0.03 0.1 %
0 ≤ IO ≤ 12mA
– 0.025 0.06 %/V
– 0.015 0.03 %/V
–
0.3 1.0
%
1.63 1.7 1.81 V
Output Noise Voltage
Standby Current Drain
Current Limit Sense Voltage
Long Term Stability
Ripple rejection
CREF = 0
CREF = 0.1µF
VIN = 40V
TA = +25°C, RSC = 10Ω,
VOUT = 0V, (Note 4)
CREF = 10µF, f = 120HZ
– 0.005 –
%
– 0.002 –
%
–
0.8 2.0 mA
225 300 375 mV
0.1
%
– 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 2kΩ. 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.
Pin Connection Diagram
(Top View)
Regulated Output
8
Current Limit 1
7 Compensation Shutdown
Booster Output 2
6 Feedback
Unregulated Input 3
4
GND
5 Reference Bypass
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