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NTE1928

Integrated Circuit Positive Adjustable Voltage Regulator, 4.5V to 40V, 45mA

NTE Electronics 

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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