TC2117 datasheet(2/12 Pages) MICROCHIP

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TC2117

DS21665B-page 2

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings*

Input Voltage .........................................................6.5V

Output Voltage.................... (VSS –0.3) to (VIN +0.3V)

Power Dissipation................Internally Limited (Note 7)

Maximum Voltage on Any Pin ......... VIN +0.3V to -0.3V

Operating Temperature ............... -40°C < TJ < +125°C

Storage temperature .......................... -65°C to +150°C

*Stresses above those listed under "Absolute Maximum

Ratings" may cause permanent damage to the device. These

are stress ratings only and functional operation of the device

at these or any other conditions above those indicated in the

operation sections of the specifications is not implied.

Exposure to Absolute Maximum Rating conditions for

extended periods may affect device reliability.

TC2117 ELECTRICAL SPECIFICATIONS

Electrical Characteristics: VIN =VR +1.5V (Note 1),IL =100µA, CL =3.3µF, TA = 25°C, unless otherwise specified. Boldface type

specifications apply for junction temperatures of -40°C to +125°C.

Symbol

Parameter

Min

Typ

Max

Units

Test Conditions

VIN

Input Operating Voltage

2.7

—

6.0

(Note 2)

IOUTMAX

Maximum Output Current

800

——

VOUT

Output Voltage

VR –2.5%

VR –2%

VR –0.5%

VR +2.5%

VR +3%

VVR > 2.5V

VR =1.8V

∆VOUT/∆TVOUT Temperature Coefficient

—

ppm/°C (Note 3)

∆V

OUT/∆VIN

Line Regulation

—

0.007

0.35

%(VR +1V) VIN 6V

∆VOUT/VOUT Load Regulation

-0.01

0.002

%/mA

IL = 0.1mA to IOUTMAX (Note 4)

VIN -VOUT

Dropout Voltage

—

190

340

600

700

890

160

480

800

1300

1000

1400

VR > 2.5V, IL =100 µA

IL =100 µA

IL =300 µA

IL =500 µA

IL =800 µA

VR =1.8V, IL =500 µA

IL =800 µA (Note 5)

IDD

Supply Current

—

130

µAI

L =0

PSRR

Power Supply Rejection Ratio

—

F < 120Hz

IOUTSC

Output Short Circuit Current

—

1200

—

VOUT =0V

∆V

OUT/∆PD

Thermal Regulation

—

0.04

—

V/W

(Note 6)

Output Noise

—

300

—

nV/

√Hz IL = 100mA, F = 10kHz

Note

VR is the regulator output voltage setting.

The minimum VIN has to justify the conditions: VIN ≥ VR +VDROPOUT and VIN ≥ 2.7V for IL = 0.1mA to IOUTMAX.

TC VOUT =

Regulation is measured at a constant junction temperature using low duty cycle pulse testing. Load regulation is tested

over a load range from 0.1mA to the maximum specified output current. Changes in output voltage due to heating effects

are covered by the thermal regulation specification.

Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value,

measured at a 1.5V differential.

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 current pulse equal to ILMAX at VIN = 6V for T = 10msec.

The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction

temperature, and the thermal resistance from junction-to-air (i.e., TA,TJ, θJA). Exceeding the maximum allowable power

dissipation causes the device to initiate thermal shutdown. Please see Thermal Considerations section of this data

sheet for more details.

(VOUTMAX –VOUTMIN)x 10

VOUT x ∆T

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