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TS30021 bảng dữ liệu(PDF) 9 Page - List of Unclassifed Manufacturers

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TRIUNE SYSTEMS PROPRIETARY & CONFIDENTIAL INFORMATION
- 9 -
TS30021/22/23
Version 1.5
Specifications subject to change
WWW.TRIUNESYSTEMS.COM
Copyright © 2013, Triune Systems, LLC
Under extended over current conditions (such as a short), the device will automatically disable. Once the over current
condition is removed, the device returns to normal operation automatically. (Alternately the factory can configure the device’s
NVM to shutdown the regulator if an extended over current event is detected and require a toggle of the Enable pin to return
the device to normal operation.)
Thermal Shutdown
If the temperature of the die exceeds 170°C (typical), the VSW outputs will tri-state to protect the device from damage. The PG
and all other protection circuitry will stay active to inform the system of the failure mode. Once the device cools to 160°C
(typical), the device will start up again, following the normal soft start sequence. If the device reaches 170°C, the
shutdown/restart sequence will repeat.
SMPS Reference Soft Start
The reference in this device is ramped at a rate of 4ms to prevent the output from overshoot during startup. This ramp restarts
whenever there is a rising edge sensed on the Enable pin. This occurs in both the fixed and adjustable versions. During the soft
start ramp, current limit is still active, and will still protect the device in case of a short on the output.
SMPS Output Overvoltage
If the output of the regulator exceeds 103% of the regulation voltage, the VSW outputs will tri-state to protect the device from
damage. This check occurs at the start of each switching cycle. If it occurs during the middle of a cycle, the switching for that
cycle will complete, and the VSW outputs will tri-state at the beginning of the next cycle.
VCC Under-Voltage Lockout
The device is held in the off state until VCC reaches 5.75V (typical). There is a 500mV hysteresis on this input, which requires
the input to fall below 5.25V (typical) before the device will disable.
LDO Internal Current Limit
The LDO output current is sensed and if current limit is reached, it will restrict further current draw from the LDO. Current
limit is always active when the regulator is enabled.


Số phần tương tự - TS30021

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