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Description
Demonstration circuit 2116A features the
LTC
4234
10A/20A Guaranteed SOA Hot Swap
®
The LTC4233 and LTC4234 are ideally suited for compact
power distribution control in 2.9V to 15V applications for
hot board insertion protection, high side power switching,
and electronic circuit breaker functions. They provide a rich
set of features to support Hot Swap applications including:
• 2.5% Accurate Undervoltage and Overvoltage Protection
• Overtemperature Protection
• Adjustable Inrush Current Control
• Adjustable, 11% Accurate Current Limit
• Adjustable Output Voltage Ramp Rate
performance summary
PARAMETER
Input Supply Voltage Range
Nominal Operating Voltage
Overvoltage Lockout
Undervoltage Lockout (Voltage Falling)
Undervoltage Lockout (Voltage Rising)
Output Current Limit
Maximum Load Capacitance
Timer Expiration Period
DEMO MANUAL DC2116A
10A/20A Guaranteed SOA
LTC4233/
• Configurable for Auto Retry or Latch Off for Overcurrent
Controllers.
Faults
™
• Power Good and Fault Outputs
Available in 38-pin 5mm × 9mm QFN packages, the
LTC4234 is showcased on DC2116A-A while the LTC4233
is showcased on DC2116A-B, both configured for a 12V
application. By changing a few passive components, 2.9V
to 15V applications can easily be evaluated.
Design files for this circuit board are available at
http://www.linear.com/demo/DC2116A
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
Hot Swap is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
Specifications are at T
A
CONDITIONS
Nominal
Nominal
Nominal
Nominal (LTC4233)
Nominal (LTC4234)
Nominal
Nominal
LTC4233/LTC4234
Hot Swap Controller
= 25°C
VALUE
2.9V to 15V
12.0V
15.2V
9.2V
9.9V
11.2A
22.5A
8200µF
1.2ms or 2.0ms
dc2116afa
1
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Related Manuals for Linear Technology DC2116A
Summary of Contents for Linear Technology DC2116A
- Page 1 • Adjustable, 11% Accurate Current Limit • Adjustable Output Voltage Ramp Rate L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and Hot Swap is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners.
-
Page 2: Quick Start Procedure
DEMO MANUAL DC2116A Quick start proceDure Table 1. Power Input and Output Connections NOMENCLATURE CONNECTOR DESCRIPTION 12V In 12V In Return VOUT 12V Out 12V Out Return Table 2. Test Points NOMENCLATURE TURRET DESCRIPTION INTVCC INTV monitor TIMER TIMER pin monitor... - Page 3 DEMO MANUAL DC2116A Dc2116a-a Quick start proceDure DC2116A-A is easy to set up to evaluate the performance Set an adjustable power supply, capable of supplying 30 of the LTC4234. Refer to Figure 1 for proper measurement amps, at 16V. Turn off power and connect the supply to equipment setup and follow the procedure below.
- Page 4 12V, load the output with a 0.59Ω power resistor capable of dissipating 300W. Power should remain on, as the current Dc2116a-B Quick start proceDure The LTC4233, on the DC2116A-B, should be tested as above with actual values scaled to values shown in the data sheet.
-
Page 5: Schematic Diagram
Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. - Page 6 Linear Technology Corporation (LTC) provides the enclosed product(s) under the following AS IS conditions: This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety measures typically found in finished commercial goods.
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