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PDF ZXRE160 Data sheet ( Hoja de datos )
| Número de pieza | ZXRE160 | |
| Descripción | 0.6V ENHANCED ADJUSTABLE PRECISION SHUNT REGULATOR | |
| Fabricantes | Diodes | |
| Logotipo |  |
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A Product Line of
Diodes Incorporated
ZXRE160
0.6V ENHANCED ADJUSTABLE PRECISION SHUNT REGULATOR
Description
Pin Assignments
The ZXRE160 is a 5-terminal adjustable shunt regulator offering
excellent temperature stability and output handling capability. This
device offers an enhancement to the ZXRE060 part for use in a
comparator mode applications.
ZXRE160_H5 (SC70/SOT353) and
ZXRE160_ET5 (TSOT25)
Top view
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.
ZXRE160_FT4 (X2-DFN1520-6)
Top view
PGND 1
6 IN
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.
N/C 2
OUT 3
5 GND
4 FB
Features
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Exposed flag floating or
connect to GND
• Low reference voltage (VFB = 0.6V)
• -40°C to +125°C temperature range
• Reference voltage tolerance at +25°C
• 0.5% ZXRE160A
• 1% ZXRE160
• 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
• (>45dB at 300kHz)
• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
• Halogen and Antimony Free. “Green” Device (Note 3)
Applications
• Isolated DC-DC converters
• Core voltage POL
• Low Voltage Low-Dropout linear regulators
• Shunt regulators
• Adjustable voltage reference
Notes:
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
<1000ppm antimony compounds.
ZXRE160
Document number: DS35688 Rev. 2 - 2
1 of 15
www.diodes.com
June 2012
© Diodes Incorporated
Datasheet pdf - http://www.DataSheet4U.co.kr/
1 page  
A Product Line of
Diodes Incorporated
ZXRE160
Electrical Characteristics (@TA = +25°C, VDD = 3V, unless otherwise specified.)
TA = +25°C, VIN = 3.3V, VOUT = VFB, IOUT = 5mA, unless otherwise specified.) (Note 4)
Symbol
Parameter
Conditions
ZXRE160A
ZXRE160
TA = 0°C to +85°C
ZXRE160A
ZXRE160
VFB Feedback voltage
TA = -40°C to +85°C
ZXRE160A
ZXRE160
Min Typ Max Units
0.597 0.6 0.603
0.594 0.6 0.606
0.595
0.605
0.592
0.608
0.594
0.606
V
0.591
0.609
TA = -40°C to +125°C
FBLOAD
FBLINE
Feedback pin load
regulation
Feedback pin line
regulation
FBOVR
Output voltage
regulation
IOUT = 1 to 15mA
VIN = 2V to 18V
VIN = 2.2V to 18V
VOUT = 0.2V to 18V,
IOUT = 1mA
(Ref. Figure 1)
ZXRE160A
ZXRE160
TA = -40 to +125°C
TA = -40 to +125°C
TA = -40 to +125°C
IFB FB input bias current VIN = 18V
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TA = -40 to +125°C
VFB = 0.7V
VIN = 2V to 18V
VIN = 2.2V to 18V
IOUT = 0.3mA
TA = -40 to +125°C
0.593
0.590
-200
-50
3.8
0.3
-45
0.35
0.607
0.610
6
10
1
1.5
1
1.5
0
50
0.7
1
mV
mV
mV
nA
mA
IIN Input current
VIN = 2V to 18V
VIN = 2.2V to 18V
IOUT = 10mA
TA = -40 to +125°C
0.48 1
1.5
mA
VIN = 18V, IOUT = 0.3mA
VFB = 0.7V
3
IOUT(LK)
ZOUT
PSRR
BW
G
OUT leakage current
VIN = 18V,
VOUT = 18V,
VFB =0V
Dynamic Output
Impedance
IOUT = 1 to 15mA
f < 1kHz
Power supply rejection F = 300kHz
ratio
VAC = 0.3VPP
Amplifier Unity Gain
Frequency
Ref: Figure 2
Amplifier
Transconductance
TA = +125°C
TA = -40 to +125°C
0.1
1
0.25 0.4
0.6
>45
µA
Ω
dB
600 kHz
5000
mA/V
Note:
4. 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, characterization and process control.
ZXRE160
Document number: DS35688 Rev. 2 - 2
5 of 15
www.diodes.com
June 2012
© Diodes Incorporated
Datasheet pdf - http://www.DataSheet4U.co.kr/
5 Page 
Application Information (cont.)
A Product Line of
Diodes Incorporated
ZXRE160
VOUT = VREF
R3 = VIN − (VF + 0.2)
IR3
15mA ≥ IR3 ≤ IF(MAX)
Figure 10. Opto-Isolated 0.6V Shunt Regulator
VOUT
=
VREF
⎜⎛1
⎝
+
R1 ⎟⎞
R2 ⎠
R3 = VIN − (VF + 0.2)
IR3
15mA ≥ IR3 ≤ IF(MAX)
Figure 11. Opto-Isolated 1.0V Shunt Regulator
VF and IF are forward voltage drop and forward current respectively for the optocoupler LED
www.DataSheet.net/
More applications information is available in the following publications which can be found on Diodes’ web site.
AN58 - Designing with Diodes’ References – Shunt Regulation
AN59 - Designing with Diodes’ References – Series Regulation
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
ZXRE160
Document number: DS35688 Rev. 2 - 2
11 of 15
www.diodes.com
June 2012
© Diodes Incorporated
Datasheet pdf - http://www.DataSheet4U.co.kr/
11 Page | ||
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