LTC4233 Datasheet, PDF (1/6 Pages) Linear Technology – 10A/20A Guaranteed SOA Hot Swap Controller

DEMO MANUAL DC2116A
LTC4233/LTC4234
10A/20A Guaranteed SOA
Hot Swap Controller
Description
Demonstration circuit 2116A features the LTC4233/
LTC^®4234 10A/20A Guaranteed SOA Hot Swap^™ Controllers.
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
• Configurable for Auto Retry or Latch Off for Overcurrent
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.
Performance Summary Specifications are at T_A = 25°C
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
CONDITIONS
Nominal
Nominal
Nominal
Nominal (LTC4233)
Nominal (LTC4234)
Nominal
Nominal
VALUE
2.9V to 15V
12.0V
15.2V
9.2V
9.9V
11.2A
22.5A
8200µF
1.2ms or 2.0ms
dc2116afa
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