MIC35302WD datasheet(3/8 Pages) MICREL

3 / 8 page

Micrel, Inc.

MIC35302

October 2009

M9999-102309-A

Absolute Maximum Ratings

(1)

Supply Voltage (VIN)..................................... –0.3V to +6.5V

Enable Input Voltage (VEN)........................... –0.3V to +6.5V

Power Dissipation .....................................Internally Limited

Junction Temperature .........................–40°C ≤ TJ ≤ +125°C

Storage Temperature (Ts) ...................–65°C ≤ TJ ≤ +150°C

Lead Temperature (soldering, 5sec.)......................... 260°C

ESD Rating

(3).................................................................. 2kV

Operating Ratings

(2)

Supply voltage (VIN) ................................... +2.25V to +6.0V

Enable Input Voltage (VEN)................................ 0V to +6.0V

Junction Temperature Range .............–40°C ≤ TJ ≤ +125°C

Maximum Power Dissipation..................................... Note 4

Package Thermal Resistance

TO-252 (θJC) ........................................................3°C/W

TO-252 (θJA) ......................................................56°C/W

Electrical Characteristics

(5)

TJ = 25°C with VIN = VEN = VOUT + 1V; IOUT = 10mA; bold values indicate –40°C < TJ < +125°C, unless otherwise noted.

Parameter

Condition

Min

Typ

Max

Units

Output Voltage Line Regulation

VIN = VOUT +1.0V to 6.0V

0.02

0.5

Output Voltage Load Regulation

IOUT = 10mA to 3A

0.2

IOUT = 1.5A

250

450

Dropout Voltage, VIN – VOUT

Note 6

IOUT = 3A

370

600

Ground Pin Current, Note 7

IOUT = 3A

Ground Pin Current in Shutdown

VIL ≤ 0.5V, VIN = VOUT + 1V

1.0

µA

Current Limit

VOUT = 0

3.5

8.5

Start-up Time

VEN = VIN, IOUT = 10mA, COUT = 47µF

150

µs

Enable Input

Regulator enable

2.25

Enable Input Threshold

Regulator shutdown

0.8

VIL ≤ 0.8V (regulator shutdown)

µA

Enable Pin Input Current

VIH ≥ 2.25V (regulator enabled)

µA

Adjust Pin

1.228

1.240

1.252

Reference Voltage

1.215

1.265

Reference Voltage Temp. Coefficient

Note 8

ppm/°C

Adjust Pin Bias Current

120

Adjust Pin Bias Current Temp.

Coefficient

0.1

nA/°C

Notes:

Exceeding the absolute maximum rating may damage the device.

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

Devices are ESD sensitive. Handling precautions recommended. 200V Machine Model

PD(MAX) = (TJ(MAX) – TA) / θJA, where θJA, depends upon the printed circuit layout. See “Applications Information.”

Specification for packaged product only.

VDO = VIN – VOUT when VOUT decreased to 98% of its nominal output voltage with VIN = VOUT +1V. For output voltages below 1.75V, dropout voltage

speciﬁcation does not apply due to a minimum input operating voltage of 2.25V.

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

Thermal regulation is deﬁned as the change in output voltage at a time t after a change in power dissipation is applied, excluding load or line

regulation effects. Speciﬁcations are for a 200mA load pulse at VIN = 6V for t = 10ms.

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