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Reference Circuits,
Page 5
Reference: #'s - A
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Last Updated on:
Thursday, December 07, 2017 02:04 PM |
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Links to electronic circuits, electronic schematics, designs for engineers,
hobbyists, students & inventors:
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Sepic Reference Design - This design is for a widely varying,
non-isolated 24 volt input with a variable output voltage. A Sepic toplogy is
used as the input voltage can be lower or higher than the desired output
voltage. The design makes use of the UCC3813 which is a CMOS controller with low
power dissipation and low current standby but with a good drive capability.
(added 3/05) |
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Simple Regulator has one Active Part - 03/16/95 EDN-Design Ideas EDN
is migrating links. This link is not verified. Search the "title" + "EDN"
for new link. |
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Single Transistor Forward Reference Design - Single Transistor Forward
with Vin 115/220 Vac and Vout 12 V. The output current 10 A with 120 W of output
power. (added 3/05) |
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Stereo amplifier IC's outputs drive multiple loads - 21-Nov-05 Issue
of EDN Reference provides constant bias voltage regardless of
supply-voltage variations.... [Design Idea by Jean-Jacques Avenel, Maxim
Integrated Products, Lesigny, France; Edited by Brad Thompson and Fran
Granville] |
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Supply delivers pin-programmable multiple references - 1-May-03 Issue of EDN
In the circuit of Figure 1, the REF01, IC1, is a buried-zener-diode-based, precision 10V
reference that features minimal noise and drift over temperature. The circuit provides not
only the 10V output of the REF01, but also a 5V output that a REF02 reference would
deliver. In addition, the circuit provides -5V, -10V, and an unbalanced dual reference,
the sum of whose voltages is precisely 10V.... [Design Idea by V Manoharan, Kochi, India] |
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[_OLD-ads-dont_upload/OLD I-ADS from web/ad-djandassoc.htm] |
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Supply Saves Circuits from Lax Predecessors - 11/23/94 EDN-Design Ideas....The
lab supply in Fig 1 automatically sets its output voltage to zero whenever you switch it
on. Thus, the lab supply can't fry your circuit if the previous user left the voltage
turned up too high. The circuit supplies 1 to 25V dc because it uses an LM317 regulator.
When you turn on the supply, the bridge develops.... EDN is migrating links. This link is
not verified. Google the "title" EDN for new link. |
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Synchronous Buck Reference Design - This reference design is a 5Vdc input to
1.65V @ 1A output synchronous buck converter. The controller is the TPS40003 operating at
600KHz. The controller features Predictive Gate Drive, which minimizes the bottom FET body
diode conduction time. This provides the benefit of increased efficiency when
compared to a standard gate drive method....(added 3/05) |
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Synchronous OCM Buck-Boost - This reference design is synchronous Buck/Boost
converter that can deliver up to 3.8 A of continuous current at -5 V from a 5 V input.
This topology uses a synchronous buck controller (TPS5103) referenced to the negative
output rail. The synchronous MOSFETs allow this design to achieve a peak efficiency of
88%. In addition....(added 3/05) |
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Tiny Charge Pump Provides Highly Reliable Low Cost Solution to Negative Reference Voltage
- Maxim Application Note #348 (app note added 5/08) |
| Two AA cells power step-down regulator - 01/07/99
Issue of EDN DC/DC conversion is particularly challenging when both the input and
output voltages are low. Step-up ICs that operate with inputs lower than 1V are available,
but step-down ICs that accept input voltages....Page includes several designs.
Scroll to find this one.... [Design Idea by Len Sherman, Maxim Integrated Products,
Sunnyvale, CA] |
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UCC38C42 25-Watt Self-Resonant Reset Forward - This is an App Note that
describes a reference design. This reference design presents a self-resonant reset
forward converter using the UCC38C42 BiCMOS Low-Power Current-Mode PWM Controller. The
input voltage for this converter is compatible with the telecom input voltage range of 36
VDC to 72 VDC. The converter is designed to operate at a switching....(added 3/05)
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Ultra Low Drop Linear Regulator - MOSFET based linear voltage regulator with a
voltage drop of as low as 60 mV at 1 ampere. Drop of a fewer millivolts is possible with
better MOSFETs having lower RDS(on) resistance. The circuit in Fig. 1 uses 15V-0-15V
secondary from a step-down transformer and employs an n-channel.... |
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Use of the LMV112 to Reduce Reference Clock Interaction in Handheld Device -
National Semiconductor Application Note....[App Note] |
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Voltage reference improves JFET - 26-Oct-00 Issue of EDN-Design Ideas....The
common JFET current-source in Figure 1a has average output impedance and depends heavily
on the JFET's VP and IDSS variations. These manufacturing variations limit the initial
accuracy of the current setpoint that the circuit can obtain with a fixed R1. Most users
of JFET current-sources sample VP....PDF has several circuits, scroll to find this one....
[Design Idea by Clayton Grantham, National Semiconductor, Tucson, AZ] |
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Water Level Reference Design - The Water Level Reference design continuously
monitors water level and water flow using the temperature compensated MPXM2010GS pressure
sensor in the low cost MPAK package, a dual op–amp, and the MC68HC908QT4, 8–pin
microcontroller. This system uses very few components, reducing the overall system
cost. (app note added 3/05) |
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Reference: #'s - A
B-C
D-N
O-R
S - Z |
