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ZXRE060H5TA

P1-P3P4-P6P7-P9P10-P12
ZXRE060
0.6V ADJUSTABLE PRECISION SHUNT REGULATOR
ZXRE060
Document number: DS33611 Rev. 6 - 2
1 of 12
www.diodes.com
March 2011
© Diodes Incorporated
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Diodes Incorporated
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 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/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.
Pin Assignments
ZXRE060_H5 (SC70-5/SOT353) and ZXRE060_ET5
(TSOT23-5)
ZXRE060_FT4 (DFN1520H4-6)
Typical Application Circuit
Features
• Low reference voltage (V
FB
= 0.6V)
• -40 to 125ºC temperature range
• Reference voltage tolerance at 25°C
o 0.5% ZXRE060A
o 1% ZXRE060
• Typical temperature drift
o <4 mV (0°C to 70°C)
o <6 mV (-40°C to 85°C)
o <12mV (-40°C to 125°C)
• 0.2V to 18V open-collector output
• High power supply rejection
o (>45dB at 300kHz)
• Lead Free by design/RoHS Compliant (Note 1)
• “Green”/Halogen free device (Note 2)
Applications
• Isolated DC-DC converters
• Core voltage POL
• Low Voltage Low-Dropout linear regulators
• Shunt regulators
• Adjustable voltage reference
Notes: 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.
Top viewTop view
1
2
3
4
5
6
PGND
N/C
OUT
FB
GND
IN
Exposed flag floating or
connect to GND
Top view
1
2
3
4
5
6
PGND
N/C
OUT
FB
GND
IN
Exposed flag floating or
connect to GND
Top view
ZXRE060
0.6V ADJUSTABLE PRECISION SHUNT REGULATOR
ZXRE060
Document number: DS33611 Rev. 6 - 2
2 of 12
www.diodes.com
March 2011
© Diodes Incorporated
A
Product Line o
f
Diodes Incorporated
Pin Description
Pin
(SC70-5 /SOT353,
TSOT23-5)
Pin
(DFN)
Name Function
1 1 PGND
Power Ground: Ground return for emitter of output transistor: Connect PGND and
GND together.
- 2 No connection
5 3 OUT
Output. Connect a capacitor close to device between OUT and GND. See the
Applications Information section.
4 4 FB Feedback Input. Regulates to 600mV nominal.
2 5 GND
Analog Ground: Ground return for reference and amplifier: Connect GND and
PGND together.
3 6 IN
Supply Input. Connect a 0.1μF ceramic capacitor close to the device from IN to
GND.
- Flag Floating or connect to GND
Function Block Diagram
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 isolated power supply applications that use opto-
couplers in the feedback loop and where the open-collector output is required to operate down to voltages as low as 200mV.
The wide input voltage range of 2V to 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
IN
voltage. This
allows it to operate as a low-dropout voltage regulator for microprocessor/DSP/PLD cores.
As with other shunt regulators (and shunt references), the ZXRE060 compares its internal amplifier FB pin to a high accuracy
internal reference; if FB is below the reference then OUT turns off, but if FB is above the reference then OUT sinks current – up
to a maximum of 15mA.
ZXRE060
0.6V ADJUSTABLE PRECISION SHUNT REGULATOR
ZXRE060
Document number: DS33611 Rev. 6 - 2
3 of 12
www.diodes.com
March 2011
© Diodes Incorporated
A
Product Line o
f
Diodes Incorporated
Absolute Maximum Ratings (Voltages to GND Unless Otherwise Stated)
Symbol Parameter Rating Unit
V
IN
IN Voltage relative to GND 20 V
V
OUT
OUT Voltage relative to GND 20 V
V
FB
FB Voltage relative to GND 20 V
P
GND
PGND Voltage relative to GND -0.3 to +0.3 V
I
OUT
OUT Pin Current 20 mA
T
J
Operating Junction Temperture -40 to 150 °C
T
ST
Storage Temperature 55 to 150 °C
These are stress ratings only. Operation outside the absolute maximum ratings may cause device failure.
Operation at the absolute maximum rating for extended periods may reduce device reliability.
Semiconductor devices are ESD sensitive and may be damaged by exposure to ESD events.
Suitable ESD precautions should be taken when handling and transporting these devices.
Package Thermal Data
Package θ
JA
P
DIS
T
A
= 25°C, T
J
= 150°C
SC70-5/SOT353 400°C/W 310mW
TSOT23-5 250°C/W 500mW
DFN1520H4-6 TBD TBD
Recommended Operating Conditions
Symbol Parameter Min Max Units
V
IN
IN Voltage Range (0 to 125°C) 2 18
V
V
IN
IN Voltage Range (-40 to 0°C) 2.2 18
V
OUT
OUT Voltage Range 0.2 18
I
OUT
OUT Pin Current 0.3 15 mA
T
A
Operating Ambient Temperature
Range
-40 125 °C
P1-P3P4-P6P7-P9P10-P12

ZXRE060H5TA

Mfr. #:
Buy ZXRE060H5TA
Manufacturer:
Diodes Incorporated
Description:
Voltage References 0.6V 0.2-18V 20V
Lifecycle:
New from this manufacturer.
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