zxre060 Diodes, Inc., zxre060 Datasheet

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zxre060

Manufacturer Part Number
zxre060
Description
The Zxre060 Is A 5-terminal Adjustable Shunt Regulator Offering Excellent Temperature Stability And Output Handling Capability. The Zxre060 Simplifies The Design Of Isolated Low Voltage Dc-dc Regulators. With Its Low 0.6v Fb Pin, It Can Control The R
Manufacturer
Diodes, Inc.
Datasheet

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ZXRE060
Document number: DS33611 Rev. 6 - 2
Applications
Description
The ZXRE060 is a 5-terminal adjustable shunt regulator
offering
handling capability. 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
microprocessor/DSP
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/SOT353, thin SOT23 and very small
DFN1520 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
Notes:
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
Lead Free by design/RoHS Compliant (Note 1)
“Green”/Halogen free device (Note 2)
Isolated DC-DC converters
Core voltage POL
Low Voltage Low-Dropout linear regulators
Shunt regulators
Adjustable voltage reference
makes
1. No purposefully added lead.
2. Diodes Inc.’s “Green” policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
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)
excellent
it
ZXRE060A
ZXRE060
temperature
ideal
and
PLD
FB
for
= 0.6V)
stability
state
core
voltage
of
and
the
0.6V ADJUSTABLE PRECISION SHUNT REGULATOR
output
POL
www.diodes.com
art
1 of 12
Pin Assignments
Typical Application Circuit
ZXRE060_H5 (SC70-5/SOT353) and ZXRE060_ET5
PGND
PGND
OUT
OUT
N/C
N/C
ZXRE060_FT4 (DFN1520H4-6)
Diodes Incorporated
Exposed flag floating or
Exposed flag floating or
1
1
2
2
3
3
A Product Line of
connect to GND
connect to GND
(TSOT23-5)
Top view
Top view
Top view
Top view
5
5
4
4
6
6
GND
GND
IN
IN
FB
FB
© Diodes Incorporated
ZXRE060
March 2011

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zxre060 Summary of contents

Page 1

... 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 ...

Page 2

... The wide input voltage range 18V and output voltage range of 0.2V to 18V enables the ZXRE060 to be powered from an auxiliary rail, while controlling a master rail which is above the auxiliary rail voltage, or below the minimum V allows it to operate as a low-dropout voltage regulator for microprocessor/DSP/PLD cores ...

Page 3

... P DIS T = 25° 150° 310mW 500mW TBD Min Max 2 18 2.2 18 0.2 18 0.3 15 -40 125 www.diodes.com A Product Line of Diodes Incorporated ZXRE060 Unit °C °C Units V mA °C March 2011 © Diodes Incorporated ...

Page 4

... Production testing of the device is performed at 25 °C. Functional operation of the device and parameters specified over the operating temperature Note: range are guaranteed by design, characterisation and process control. ZXRE060 Document number: DS33611 Rev 0.6V ADJUSTABLE PRECISION SHUNT REGULATOR Conditions ZXRE060A ZXRE060 ZXRE060A ZXRE060 ZXRE060A ZXRE060 ZXRE060A ZXRE060 T = -40 to 125° -40 to 125° -40 to 125° -40 to 125° ...

Page 5

... Typical Characteristics ZXRE060 Document number: DS33611 Rev Product Line of Diodes Incorporated 0.6V ADJUSTABLE PRECISION SHUNT REGULATOR www.diodes.com ZXRE060 March 2011 © Diodes Incorporated ...

Page 6

... OUT OUT Figure 2. Test circuits for gain and phase plots www.diodes.com A Product Line of Diodes Incorporated ZXRE060 OUT OUT 0.22uF = 0.22uF OUT OUT Gain Gain Gain Phase Phase Phase 10 10 ...

Page 7

... C2 and R3 should be greater than 1ms multiplied by the feedback factor R2/(R1 + R2). Both C1 and C2 should be as close to the ZXRE060 as possible and connected to it with the shortest possible track. In the case of fig 9 and fig10, it means the opto-coupler will have to be carefully positioned to enable this. ...

Page 8

... Determine R3 from best to let the ZXRE060 supply as much current as it can before bringing Q1 into conduction. Not only does this minimise the strain on Q1, it also guarantees the most stable operation. Choose a nominal value between 10mA and <15mA for this current ...

Page 9

... AN60 - Designing with Diodes’ References – Fixed Regulators and Opto-Isolation AN61 - Designing with Diodes’ References – Extending the operating voltage range AN62 - Designing with Diodes’ References – Other Applications AN63 - Designing with Diodes’ References – ZXRE060 Low Voltage Regulator ZXRE060 Document number: DS33611 Rev ...

Page 10

... A: ±0.5% ±0.5% None: ±1% None: ±1% Tol. Order Code ZXRE060AET5TA 0.5% ZXRE060AH5TA SC70-5/SOT353 ZXRE060AFT4-7 DFN1520H4-6 ZXRE060ET5TA ZXRE060H5TA SC70-5/SOT353 1% ZXRE060FT4-7 DFN1520H4-6 Notes: 4. For packaging details our website at http://www.diodes.com/datasheets/ap02007.pdf Marking Information 1. TSOT23-5, SC70-7/SOT353 ( Top View ) ( Top View ) XXX : Identification code ...

Page 11

... Package Outline Dimensions 1. TSOT23-5 2. SC70-7/SOT353 3. DFN1520H4-6 ZXRE060 Document number: DS33611 Rev 0.6V ADJUSTABLE PRECISION SHUNT REGULATOR (All Dimensions in mm www.diodes.com A Product Line of Diodes Incorporated ZXRE060 DFN1520H4-6 March 2011 © Diodes Incorporated ...

Page 12

... Diodes Incorporated products in such safety-critical, life support devices or systems. Copyright © 2011, Diodes Incorporated www.diodes.com ZXRE060 Document number: DS33611 Rev Product Line of Diodes Incorporated 0.6V ADJUSTABLE PRECISION SHUNT REGULATOR IMPORTANT NOTICE LIFE SUPPORT www.diodes.com ZXRE060 March 2011 © Diodes Incorporated ...

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