zxre060a Diodes, Inc., zxre060a Datasheet

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zxre060a

Manufacturer Part Number
zxre060a
Description
0.6v Adjustable Precision Shunt Regulator
Manufacturer
Diodes, Inc.
Datasheet

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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
zxre060aFT4-7
Quantity:
3 000
Part Number:
zxre060aH5TA
Manufacturer:
ZETEX
Quantity:
20 000
Ordering Information
0.5%
Description
The ZXRE060 is a 5-terminal adjustable shunt regulator
offering excellent temperature stability and output
handling capability up to 20mA. The ZXRE060 simplifies
the design of isolated low voltage DC-DC regulators. With
its low 0.6V FB pin, it can control the regulation of rails as
low 0.6V. This makes it ideal for state of the art
microprocessor/DSP and PLD core voltage POL
converters.
The device open-collector output can operate from 0.2V to
18V and regulated output voltage can be set by selection
of two external divider resistors.
Separating the input from the open collector output
enables the ZXRE060 to be used to make low-cost low
drop-out regulators operating at low input voltages.
The ZXRE060 is available in two grades with initial
tolerances of 0.5% and 1% for the A and standard grades
respectively. It is available in space saving low profile 5-
pin SC70 and Thin SOT23 packages.
The ZXRE060 in TSOT23-5 has its OUT, GND and FB
pins matching the Cathode, Anode and reference pins of
the TL432 and TLV431 in SOT23-3, thereby facilitating
simple upgrade paths.
Features
Applications
1%
Tol
ZXRE060
Document Rev. 1
ZXRE060AET5TA
ZXRE060AH5TA
ZXRE060ET5TA
ZXRE060H5TA
o
o
o
o
o
o
Low reference voltage (V
-40 to 125ºC temperature range
Reference voltage tolerance at 25°C
Typical temperature drift
0.2V to 18V open-collector output
High power supply rejection
Isolated DC-DC converters
Core voltage POL
Low Voltage Low-Dropout linear regulators
Shunt regulators
Adjustable voltage reference
ORDER CODE
0.5%
1%
<4 mV (0°C to 70°C)
<6 mV (-40°C to 85°C)
<12mV (-40°C to 125°C)
(>45dB at 300kHz)
ZXRE060A
ZXRE060
FB
= 0.6V)
TSOT23-5
TSOT23-5
SC70-5
SC70-5
PACK
PART MARK
0.6V adjustable precision shunt regulator - Target specification
www.diodes.com
S6A
S6A
S06
S06
ZXRE060_H5 (SC70-5) and ZXRE060_ET5 (TSOT23-5)
1 of 10
TYPICAL OPERATING CIRCUIT
REEL SIZE
7”, 180mm
7”, 180mm
7”, 180mm
7”, 180mm
PIN CONNECTIONS
Diodes Incorporated
Top view
A Product Line of
TAPE WIDTH
8mm
8mm
8mm
8mm
QUANTITY/ REEL
© Diodes Incorporated
March 2009
3000
3000
3000
3000
ZXRE060

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zxre060a Summary of contents

Page 1

... Low Voltage Low-Dropout linear regulators • Shunt regulators • Adjustable voltage reference Ordering Information Tol ORDER CODE PACK ZXRE060AET5TA TSOT23-5 0.5% ZXRE060AH5TA SC70-5 ZXRE060ET5TA TSOT23-5 1% ZXRE060H5TA SC70-5 ZXRE060 Document Rev Product Line of Diodes Incorporated 0.6V adjustable precision shunt regulator - Target specification PIN CONNECTIONS ...

Page 2

ABSOLUTE MAXIMUM RATINGS IN Voltage (V ) relative to GND ...................................................................................................................... 20V IN OUT Voltage (V ) relative to GND ................................................................................................................. 20V OUT FB Voltage (V ) relative to GND ....................................................................................................................... 20V FB PGND Voltage (P ) relative to GND ...

Page 3

FUNCTIONAL DIAGRAM DESCRIPTION The ZXRE060 differs from most other shunt regulators in that it has separate input and output pins and a low voltage reference. This enables it to regulate rails down to 600mV and makes the part ideal for ...

Page 4

... Note 1: Production testing of the device is performed at 25 °C. Functional operation of the device and parameters specified over the operating temperature range are guaranteed by design, characterisation and process control. ZXRE060 Document Rev 5mA unless otherwise stated ( OUT Conditions ZXRE060A ZXRE060 ZXRE060A ZXRE060 ZXRE060A ZXRE060 ZXRE060A ZXRE060 T = -40 to 125° -40 to 125° 0.2V to 18V -40 to 125° -40 to 125° ...

Page 5

ZXRE060 Document Rev. 1 Diodes Incorporated Figure 1 General dc test circuit www.diodes.com A Product Line of ZXRE060 March 2009 © Diodes Incorporated ...

Page 6

ZXRE060 Document Rev Product Line of Diodes Incorporated Typical characteristics www.diodes.com ZXRE060 March 2009 © Diodes Incorporated ...

Page 7

Typical ac characteristics (continued) 200 150 100 50 Gain 0 Phase - 100 1000 10000 Frequency (Hz) Frequency and phase characteristic for V ZXRE060 Document Rev. 1 Diodes Incorporated 225° 200 OUT 180° 150 C ...

Page 8

APPLICATIONS INFORMATION The following show some typical application examples for the ZXRE060 recommended to include the compensation capacitor C2 to guarantee stability. C2 may range in value from 0.1µF to 10µF depending on the application and the environment. ...

Page 9

Figure Current-boosted shunt regulator Design guides 1. Determine I and choose a suitable transistor taking power dissipation into consideration. OUT 2. Determine I from = Determine I from ...

Page 10

Figure 9 – Opto-isolated 0.6V shunt regulator = V V OUT REF V and I are forward voltage drop and current for the opto-coupler LED respectively More applications information can be found in the following publications which can ...

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