ZXTR2008Z datasheet(4/7 Pages) DIODES

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ZXTR2008Z

Document number: DS36232 Rev. 4 - 2

4 of 7

www.diodes.com

April 2017

ZXTR2008Z

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

Characteristic

Symbol

Min

Typ

Max

Unit

Test Condition

Output Voltage (Note 12)

VOUT

7.38

8.2

9.02

VIN = 48V, IOUT = 15mA

Line Regulation (Notes 12 & 13)

VOUT

—

300

VIN = 12 to 100V, IOUT = 15mA

Temperature Coefficient

VOUT/T

—

mV/°C

TJ = -40°C to +125°C

VIN = 48V, IOUT = 15mA

Load Regulation (Notes 12 & 14)

VOUT

—

-180

-250

-350

-500

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

—

275

650

500

900

µA

VIN = 48V, IOUT = 10µA

VIN = 100V, IOUT = 10µA

Power Supply Rejection Ratio

VIN/VOUT

—

COUT = 100nF, IOUT = 15mA,

VOUT = 8.2V, VIN =12 to 100V,f=100Hz

Notes:

12.

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

13. Line regulation

VOUT = VOUT(@ VIN = 100V) – VOUT(@ VIN = 12V)

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

Input voltage can vary from -0.3V to 100V with respect to GND; for VOUT regulated then 12V ≤ VIN ≤ 100V.

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 8V when 12

V ≤ VIN ≤ 100V. When VIN < 12V, then VOUT maximum = VIN – 1.5V.

The pin can be pulled high to a maximum of +14V with respect to GND, or +8V with respect to VIN,

whichever is lower. It is recommended to connect a 10µF capacitor to GND and a minimum of 10µA to be

drawn from VOUT to maintain regulation.

150k

Ω

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