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NTE1927

Integrated Circuit 4–Terminal Negative Adjustable Voltage Regulator

NTE Electronics 

Electrical Characteristics (Cont’d): (0° ≤ TJ ≤ +125°C, VIN = –10V, IOUT = 500mA, CIN = 2µF,

COUT = 1µF, Note 1, Note 2 unless otherwise specified)

Parameter

Test Conditions

Min Typ Max

Unit

Line Regulation

Load Regulation

Control Pin Current

VOUT ≥ –10V,

TJ = +25°C

–

(VOUT–15V) ≤ VIN ≤ (VOUT–2.5V)

VOUT ≤ –10V,

–

(VOUT–15V) ≤ VIN ≤ (VOUT–3V)

VOUT ≤ –10V,

–

(VOUT–7V) ≤ VIN ≤ (VOUT–3V)

250mA ≤ IOUT ≤ 750mA

5mA ≤ IOUT ≤ 1.5A

TJ = +25°C,

–

VIN = VOUT–5V –

TJ = +25°C

–

–

– 1.0 % (VOUT)

– 0.75 % (VOUT)

– 0.67 % (VOUT)

– 1.0 % (VOUT)

– 2.0 % (VOUT)

0.4 2.0

µA

– 3.0

µA

Quiescent Current

TJ = +25°C

– 0.5 1.5

µA

–

– 2.0

µA

Ripple Rejection

Output Noise Voltage

–18V ≤ VIN ≤ –8V, VOUT = –5V, f = 120Hz

50 60 –

dB

TJ = +25°C, 10Hz ≤ f ≤ 100kHz, VOUT = –5V, IOUT = –

5mA

25 80

µV/VOUT

Dropout Voltage

Note 3

–

– 2.3

V

Short Circuit Current

Peak Output Current

Average Temperature

Coefficient of

Output Voltage

TJ = +25°C, VIN = –30V

TJ = +25°C

TJ = –55° to +25°C

TJ = +25° to +150°C

VOUT = –5V,

IOUT = 5mA

– 0.25 1.2

A

1.3 2.1 3.3

A

–

– 0.3 mV/°C/VOUT

–

– 0.3 mV/°C/VOUT

Control Pin Voltage

(Reference)

TJ = +25°C

–2.32 –2.23 –2.14

V

–2.35 – –2.11

V

Note 1. VOUT is defined as:

VOUT =

R1 + R2

R2

(–2.23)

Note 2. The convention for negative regulators in the algabraic value, thus –15V is less than –10V.

Note 3. Dropout Voltage is defined as that input–output voltage differential which causes the output

voltage to decrease by 5% of its initial value.

Note 4. All characteristics except noise voltage and ripple rejection ratio are measured using pulse

techniques (tW ≤ 10ms, duty cycle ≤ 5%). Output voltage changes due to changes in internal

temperature must be taken into account separately.

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