MIC5191BML datasheet(3/15 Pages) MICREL

3 / 15 page

Micrel, Inc.

MIC5191

December 2006

M9999-122206

Absolute Maximum Ratings

(1)

Supply Voltage (VIN)....................................................+6.0V

Enable Voltage (VEN)....................................................+14V

VCC1, VCC2....................................................................+14V

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

ESD Rating

(3)

Operating Ratings

(2)

Supply Voltage (VIN)..................................... +1.0V to +5.5V

Enable Voltage (VEN)............................................. 0V to VCC

VCC1, VCC2.................................................. +4.5V to +13.2V

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

Package Thermal Resistance

3x3 MLF-10 (

θJA)

(4).............................................60°C/W

MSOP-10 (

θJA)

(5) ..............................................200°C/W

Electrical Characteristics

(6)

TA = 25°C with VIN = 1.2V; VCC = 12V; VOUT = 1.0V; bold values indicate –40°C< TJ < +125°C, unless noted.

Parameter

Condition

Min

Typ

Max

Units

At 25°C

–1

Output Voltage Accuracy

Over temperature range

–2

Output Voltage Line Regulation

VIN = 1.2V to 5.5V

–0.1

0.005

+0.1

%/V

Feedback Voltage

0.99

1.01

Output Voltage Load Regulation

IL = 10mA to 1A

0.02

0.5

VCC Pin Current (VCC1 + VCC2)

Enable = 0V

µA

VCC Pin Current (VCCsig + VCCdrv)

Enable = 5V

VIN Pin Current

Current from VIN

µA

FB Bias Current

µA

Current Limit Threshold

Start-up Time

VEN = VIN

100

µs

Regulator enable

0.8

0.6

Enable Input Threshold

Regulator shutdown

0.5

0.2

Enable Hysteresis

100

VIL < 0.2V (Regulator shutdown)

100

Enable Pin Input Current

VIH > 0.8V (Regulator enabled)

100

Notes:

1. Exceeding the absolute maximum rating may damage the device.

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

3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5kΩ in series with 100pF.

4. Per JESD 51-5 (1S2P Direct Attach Method).

5. Per JESD 51-3 (1S0P).

6. Specification for packaged product only.

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