ZXTR2012K datasheet(4/7 Pages) DIODES

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ZXTR2012K

Document number: DS36327 Rev. 1 – 2

4 of 7

www.diodes.com

December 2013

ZXTR2012K

A Product Line of

Diodes Incorporated

Electrical Characteristics (@TA = +25°C, unless otherwise specified.)

Characteristic

Symbol

Min

Typ

Max

Unit

Test Condition

Output Voltage (Note 12)

VOUT

10.8

13.2

VIN = 48V, IOUT = 15mA

Line Regulation (Notes 12 & 13)

∆VOUT

—

240

750

VIN = 15 to 72V , IOUT = 15mA

Temperature Coefficient

∆VOUT/∆T

—

8.0

—

mV/°C

TJ = -40°C to +125°C

VIN = 48V, IOUT = 15mA

Load Regulation (Notes 12 & 14)

∆VOUT

—

-450

-600

-750

IOUT = 0.1 to 30mA, VIN = 48V

IOUT = 0.1 to 100mA, VIN = 48V

Minimum Value of Input Voltage Required

to Maintain Line Regulation

VIN(MIN)

—

Quiescent Current

—

240

590

400

900

µA

VIN = 48V, IOUT = 10µA

VIN = 100V, IOUT = 10µA

Power Supply Rejection Ratio

∆VIN/∆VOUT

—

COUT = 100nF, IOUT = 15mA,

VOUT = 12V, VIN =15 to 100V, f=100Hz

Notes:

12. Measured under pulsed conditions. Pulse width ≤ 300μs. Duty cycle ≤ 2%.

13. Line regulation

∆VOUT = VOUT(@ VIN = 72V) – VOUT(@ VIN = 15V)

14. Load regulation

∆VOUT = VOUT(@ IOUT = 30mA) – VOUT(@ IOUT = 0.1mA)

∆VOUT = VOUT(@ IOUT = 100mA) – VOUT(@ IOUT = 0.1mA)

Typical Application Circuit

Pin Functions

Pin Name

Pin Function

Notes

VIN

Input Supply

To maintain output regulation, the input voltage can vary from 15V to 100V with respect to the GND pin. It

is recommended to connect a 1µF capacitor to GND.

GND

Power Ground

This pin should be tied to the system ground.

VOUT

Voltage Output

Outputs a regulated 12V. It is recommended to connect a 10µF capacitor to GND. Minimum of 10µA must

be drawn from VOUT to maintain regulation. The pin can be pulled high to a maximum of 18V with respect to

ground.

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