NTE1929 datasheet(2/2 Pages) NTE | 3 Terminal Adjustable Positive Voltage Regulator 1.2V to 33V, 3A

2 page

Electrical Characteristics: (VI–VO = 5V, IL = 1.5A, TJ = 0° to +125°C, Pmax = 25W unless

otherwise specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Line Regulation

Regline

≤ VI–VO ≤ 35V,

TA = +25°C

–

0.005

0.03

%/V

Note 3

–

0.02

0.07

%/V

Load Regulation

Regload

10mA

≤ IL ≤ 3A,

≤

TA = +25°C

–

5.0

VO ≤5V, Note 3

–

10mA

≤ IL ≤ 3A,

≥

TA = +25°C

–

0.1

0.5

% VO

VO ≥5V, Note 3

–

0.3

1.5

% VO

Thermal Regulation

Regtherm TA = +25°C, Pulse = 20ms

–

0.002

–

% VO/W

Adjustment Pin Current

IAdj

–

100

µA

Adjustment Pin Current Change

∆IAdj

≤ VI–VO ≤ 35V, 10mA ≤ IL ≤ 3A,

PD = Pmax

–

0.2

5.0

µA

Reference Voltage

Vref

≤ VI–VO ≤ 35V, 10mA ≤ IL ≤ 3A,

PD = Pmax

1.20

1.25

1.30

Temperature Stability

° ≤ TJ ≤ +125°C

–

1.0

–

% VO

Minimum Load Current to Maintain

Regulation

ILmin

VI–VO = 35V

–

3.5

Maximum Output Current

Imax

VI–VO ≤ 10V, PD ≤ Pmax

3.0

4.5

–

VI–VO = 30V, PD ≤ Pmax, TA = +25°C

0.25

1.0

–

RMS Noise, % of VO

10Hz

≤ f ≤ 10kHz, TA = +25°C

–

0.003

–

% VO

Ripple Rejection

VO = 10V, f = 120Hz,

–

Note 4

CAdj = 10µF

–

Long–Term Stability

TJ = +125°C, Note 5, TA = +25°C for

Endpoint Measurements

–

0.3

1.0

%/1.0k

Hrs.

Note 3. Load and line regulation are specified at constant junction temperature. Changes in VO due

to heating effects must be taken into account separately. Pulse testing with low duty cycle

is used.

Note 4. CAdj, when used, is connected between the adjustment pin and GND.

Note 5. Since Long–Term Stability cannot be measured on each device before shipment, this speci-

fication is an engineering estimate of average stability from lot to lot.

.420 (10.67)

Max

.500

(12.7)

Max

.500

(12.7)

Min

.250

(6.35)

Max

.147 (3.75)

Dia Max

Tab

.070 (1.78)

Max

.100 (2.54)

Adjust

VOUT/TAB

VIN

.110 (2.79)

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