MIC39100_05 Datasheet, PDF(4/12 Page) Micrel Semiconductor – 1A Low-Voltage Low-Dropout Regulator

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MIC39100_05 Datasheet, PDF (4/12 Pages) Micrel Semiconductor – 1A Low-Voltage Low-Dropout Regulator

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MIC39100/39101/39102

Micrel

Symbol

Parameter

MIC39102 Only

Reference Voltage

ppm/Â°C

Adjust Pin Bias Current

Reference Voltage

Temp. Coefï¬cient

Adjust Pin Bias Current

Temp. Coefï¬cient

Condition

Note 10

Note 7

Min Typ Max Units

1.228 1.240 1.252 V

1.215

1.265 V

1.203

1.277 V

120

0.1

nA/Â°C

Note 1. Exceeding the absolute maximum ratings may damage the device.

Note 2. The device is not guaranteed to function outside its operating rating.

Note 3. Devices are ESD sensitive. Handling precautions recommended.

Note 4.

Note 5.

Note 6.

PD(max) = (TJ(max) â TA) Ã· Î¸JA, where Î¸JA depends upon the printed circuit layout. See âApplications Information.â

Output voltage temperature coefï¬cient is ÎVOUT(worst case) Ã· (TJ(max) â TJ(min)) where TJ(max) is +125Â°C and TJ(min) is â40Â°C.

VDO = VIN â VOUT when VOUT decreases to 98% of its nominal output voltage with VIN = VOUT + 1V. For output voltages below 2.25V, dropout

voltage is the input-to-output voltage differential with the minimum input voltage being 2.25V. Minimum input operating voltage is 2.25V.

Note 7. IGND is the quiescent current. IIN = IGND + IOUT.

Note 8. VEN â¤ 0.8V, VIN â¤ 8V, and VOUT = 0V.

Note 9. For a 2.5V device, VIN = 2.250V (device is in dropout).

Note 10. VREF â¤ VOUT â¤ (VIN â 1V), 2.25V â¤ VIN â¤ 16V, 10mA â¤ IL â¤ 1A, TJ = TMAX.

Note 11. Thermal regulation is deï¬ned as the change in output voltage at a time t after a change in power dissipation is applied, excluding load or line

regulation effects. Speciï¬cations are for a 200mA load pulse at VIN = 16V for t = 10ms.

Note 12. Speciï¬cation for packaged product only.

M9999-082505

August 2005

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