TS5218 datasheet(2/7 Pages) TSC

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TS5218

800mA Ultra Low Dropout

Voltage Regulator with Enable

2/7

Version: A09

Electrical Characteristics

VIN = VOUT + 1V, VIN =2.5V for fixed reference output voltage, Venable= 2.25V, Ta = 25

oC, unless otherwise specified.

Parameter

Conditions

Min

Typ

Max

Unit

IL=10mA

0.980|Vo|

1.020|Vo|

Fixed Reference Output Voltage

10mA ≤ IL ≤ 800mA,

2.5V ≤ VIN ≤ 16V

0.970|Vo|

1.24

(VREF)

1.030|Vo|

Line Regulation

IL=10mA, Vo+1V ≤ VIN ≤ 16V

0.05

0.5

VIN =Vout+1V, 8mA≤IL≤300mA

0.05

0.1

Load Regulation

VIN =Vout+1V, 10mA≤IL≤800mA

0.2

1.0

Output Voltage Temp. Coefficient

100

ppm/

Dropout Voltage (Note 5)

ΔVOUT = -1%

IL=100mA

IL=400mA

IL=800mA

100

300

400

250

380

700

Quiescent Current (Note 6)

VIN= VOUT +1V

IL=100mA

IL=500mA

IL=800mA

0.7

4.0

12.0

Current Limited

VOUT =0, VIN = VOUT +1V

1.8

Low (OFF)

0.8

Input Logic Voltage

High (ON)

2.25

VEN =2.25V

Enable Pin Input Current

VEN =0.8V

Adjust Pin Bias Current

120

Reference Voltage Temp. Coefficient

(Note 8)

ppm/

Adjust Pin Bias Current Temp. Coefficient

0.1

nA/

Note:

1. Absolute Maximum Rating is limits beyond which damage to the device may occur. For guaranteed specifications

and test conditions see the Electrical Characteristics.

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

3. Devices are ESD sensitive. Handling precautions recommended.

4. The maximum allowable power dissipation is a function of the maximum junction temperature, TJ, the junction to

ambient thermal resistance, ӨJA, and the ambient temperature, Ta. Exceeding the maximum allowable power

dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown. The effective

value of ӨJA can be reduced by using a heat sink, Pd(max) = (TJ(max) – Ta) / ӨJA.

5. Dropout voltage is defined as the input to output differential at which the output voltage drops -1% below its nominal

value measured at 1V differential.

6. Ground pin current is the regulator quiescent current. The total current drawn from the source is the sum of the

ground pin current and output load current, IGND = IIN - IOUT for fix output voltage, IGND = IIN - IOUT +10mA for fix

reference output voltage in full load regulation.

7. VREF ≤ VOUT ≤ (VIN – 1V), 2.25V ≤ VIN ≤ 16V, 10mA ≤ IL ≤ 1.0A.

8. Output voltage temperature coefficient is ΔVOUT (worse cast) / (TJ(max) – TJ(MIN)) where is TJ(max) +125

oC and TJ(MIN) is

oC.

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