AS1331 Просмотр технического описания (PDF) - austriamicrosystems AG

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AS1331

300mA Buck-Boost Synchronous DC/DC Converters

austriamicrosystems AG 

AS1331

Datasheet - Electrical Characteristics

Table 3. Electrical Characteristics

Symbol

Parameter

Thermal Protection

Thermal Shutdown

Conditions

10°C Hysteresis

Min Typ Max Units

145

°C

1. If the input voltage falls below this value during normal operation the device goes in startup mode.

2. The regulator is in startup mode until this voltage is reached. Caution: Do not apply full load current until the

device output > 2.3V

3. LBO goes low in startup mode as well as during normal operation if:

lid 1) The voltage at the LBI pin is below LBI threshold.

2) The voltage at the LBI pin is below 0.1V and VOUT is below 92.5% of its nominal value.

Note: All limits are guaranteed. The parameters with min and max values are guaranteed with production tests or

Technicaaml scoAnGtent still va SQC(StatisticalQualityControl)methods.

www.austriamicrosystems.com/DC-DC_Buck-Boost/AS1331

Revision 1.04

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