ZXRE160 DIODES [Diodes Incorporated], ZXRE160 Datasheet

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ZXRE160

Manufacturer Part Number
ZXRE160
Description
0.6V ENHANCED ADJUSTABLE PRECISION SHUNT REGULATOR
Manufacturer
DIODES [Diodes Incorporated]
Datasheet

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Part Number
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Part Number:
ZXRE160AET5TA
Manufacturer:
DIODES
Quantity:
10 000
Company:
Part Number:
ZXRE160AET5TA
Quantity:
5 000
Part Number:
ZXRE160ET5TA
Manufacturer:
DIODES
Quantity:
10 000
Description
The ZXRE160 is a 5-terminal adjustable shunt regulator offering
excellent temperature stability and output
device offers an enhancement to the ZXRE060 part for use in a
comparator mode applications.
In shunt regulator mode, the ZXRE160 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 the part 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 ZXRE160 to be used to make low-cost low drop-out
regulators operating at low input voltages.
The ZXRE160 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 TSOT25 and very
small DFN1520 packages.
Features
Notes:
ZXRE160
Document number: DS35688 Rev. 2 - 2
Low reference voltage (V
-40°C to +125°C temperature range
Reference voltage tolerance at +25°C
0.5% ZXRE160A
1%
Typical temperature drift
<4 mV (0°C to +70°C)
<6 mV (-40°C to +85°C)
<12mV (-40°C to +125°C)
0.2V to 18V open-collector output
High power supply rejection
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
(>45dB at 300kHz)
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
ZXRE160
<1000ppm antimony compounds.
FB
= 0.6V)
handling capability. This
0.6V ENHANCED ADJUSTABLE PRECISION SHUNT REGULATOR
www.diodes.com
1 of 15
Pin Assignments
Applications
Isolated DC-DC converters
Core voltage POL
Low Voltage Low-Dropout linear regulators
Shunt regulators
Adjustable voltage reference
PGND
PGND
ZXRE160_H5 (SC70/SOT353) and
OUT
OUT
N/C
N/C
ZXRE160_FT4 (X2-DFN1520-6)
ZXRE160_ET5 (TSOT25)
Diodes Incorporated
1
1
2
2
3
3
Exposed flag floating or
Exposed flag floating or
A Product Line of
connect to GND
connect to GND
Top view
Top view
Top view
Top view
5
5
4
4
6
6
IN
IN
GND
GND
ZXRE160
FB
FB
© Diodes Incorporated
June 2012

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ZXRE160 Summary of contents

Page 1

... ZXRE160 to be used to make low-cost low drop-out regulators operating at low input voltages. The ZXRE160 is available in two grades with initial tolerances of 0.5% and 1% for the A and standard grades respectively available in space saving low profile 5 pin SC70/SOT353, thin TSOT25 and very small DFN1520 packages ...

Page 2

... Analog Ground: Ground return for reference and amplifier: Connect GND and PGND 5 together. 6 Supply Input: Connect a 0.1μF ceramic capacitor close to the device from IN to GND. Flag Floating or connect to GND www.diodes.com A Product Line of Diodes Incorporated ZXRE160 Function June 2012 © Diodes Incorporated ...

Page 3

... The wide input voltage range 18V and output voltage range of 0.2V to 18V enables the ZXRE160 to be powered from an auxiliary rail, while controlling a master rail which is above the ZXRE160 Document number: DS35688 Rev ...

Page 4

... P DIS T = 25° 150° 310mW 500mW TBD (@T = +25°C, unless otherwise specified.) A Min Max 2 18 2.2 18 0.2 18 0.3 15 -40 +125 www.diodes.com A Product Line of Diodes Incorporated ZXRE160 °C °C Units V mA °C © Diodes Incorporated June 2012 ...

Page 5

... ZXRE160 Document number: DS35688 Rev +25° 3V, unless otherwise specified Conditions ZXRE160A ZXRE160 ZXRE160A ZXRE160 ZXRE160A ZXRE160 ZXRE160A ZXRE160 T = -40 to +125° -40 to +125° -40 to +125° -40 to +125°C ...

Page 6

... Typical Characteristics ZXRE160 Document number: DS35688 Rev Product Line of Diodes Incorporated www.diodes.com ZXRE160 June 2012 © Diodes Incorporated ...

Page 7

... OUT OUT Gain and Phase vs Frequency, V Gain and Phase vs Frequency www.diodes.com A Product Line of Diodes Incorporated ZXRE160 225 225 OUT OUT 0.22uF = 0.22uF OUT OUT 180 180 135 135 ...

Page 8

... The minimum value of C2 can be determined from the following equation (resistor values are in kΩ): Both C1 and C2 should be as close to the ZXRE160 as possible and connected to it with the shortest possible track. In the case of Figure 10 and Figure 11, it means the opto-coupler will have to be carefully positioned to enable this. ...

Page 9

... IN OUT Although unlikely problem, ensure that I ZXRE160 Document number: DS35688 Rev Figure 7. 1.0V Series LDO Regulator . The design of the ZXRE160 effectively means there ≥ 10µA should be adequate for this. KA(min ≤ www.diodes.com A Product Line of ...

Page 10

... best to let the ZXRE160 supply as much current as it can before bringing Q1 into conduction. Not only does this minimize the strain on Q1, it also guarantees the most stable operation. Choose a nominal value between 10mA and <15mA for this current ...

Page 11

... AN62 - Designing with Diodes’ References – Other Applications AN63 - Designing with Diodes’ References – ZXRE060 Low Voltage Regulator ZXRE160 Document number: DS35688 Rev Figure 11. Opto-Isolated 1.0V Shunt Regulator www.diodes.com A Product Line of Diodes Incorporated ZXRE160 ⎛ ⎞ ⎜ ⎟ ...

Page 12

... Ordering Information Tol. Part Number ZXRE160AET5TA 0.5% ZXRE160AH5TA SC70/SOT353 ZXRE160AFT4-7 DFN1520H4-6 ZXRE160ET5TA 1% ZXRE160H5TA SC70/SOT353 ZXRE160FT4-7 X2-DFN1520-6 Marking Information 1. TSOT25, SC70/SOT353 2. X2-DFN1520-6 ZXRE160 Document number: DS35688 Rev Identification Package Reel Size Code TSOT25 R8 7”, 180mm R9 7”, 180mm R8 7”, 180mm ...

Page 13

... ZXRE160 Document number: DS35688 Rev (All dimensions in mm θ L θ SEATING PLANE www.diodes.com A Product Line of Diodes Incorporated ZXRE160 TSOT25 Dim Min Max Typ − − A 1.00 − A1 0.01 0.10 − A2 0.84 0.90 − − D 2.90 − − E 2.80 − ...

Page 14

... Document number: DS35688 Rev Dimensions Value (in mm (5x) X (5x) Dimensions Value (in mm Dimensions www.diodes.com A Product Line of Diodes Incorporated ZXRE160 0.950 0.700 1.000 3.199 2.5 1.3 0.42 0.6 1.9 0.65 Value (in mm) 1.25 0.45 0.15 1.10 0.50 0.25 June 2012 © Diodes Incorporated ...

Page 15

... Diodes Incorporated products in such safety-critical, life support devices or systems. Copyright © 2012, Diodes Incorporated www.diodes.com ZXRE160 Document number: DS35688 Rev Product Line of Diodes Incorporated IMPORTANT NOTICE LIFE SUPPORT www.diodes.com ZXRE160 June 2012 © Diodes Incorporated ...

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