TCM829ECT datasheet(3/26 Pages) MICROCHIP

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DS21488B-page 3

TCM828/TCM829

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings †

Input Voltage (VIN to GND) ..................................+30V

Output Voltage (OUT to GND) ...................6.0V, +0.3V

Current at OUT Pin ............................................ 50 mA

Short-Circuit Duration – OUT to GND ............Indefinite

Operating Temperature Range ................ -40°C to +85°C

Variable Temp. Range (TCM828 only) ...............................

.............................................................................-

40°C to +125°C

Power Dissipation (TA ≤ 70°C) ........................ 240 mW

Storage Temperature (Unbiased)..........-65°C to +150°C

Lead Temperature (Soldering, 10 sec)............ +300°C

† Notice: Stresses above those listed under “Maximum

Ratings” may cause permanent damage to the device.

This is a stress rating only and functional operation of

the device at those or any other conditions above those

indicated in the operational listings of this specification

is not implied. Exposure to maximum rating conditions

for extended periods may affect device reliability.

ELECTRICAL CHARACTERISTICS (0°C TO +85°C)

Electrical Specifications: TA = 0°C to +85°C, VIN = +5V, C1 = C2 = 10 µF (TCM828), C1 = C2 = 3.3 µF (TCM829),

unless otherwise noted. Typical values are at TA = +25°C.

Parameters

Sym

Min

Typ

Max

Units

Conditions

Supply Current

IDD

—50

µA

TCM828, TA = +25°C

—

115

260

µA

TCM829, TA = +25°C

Minimum Supply

Voltage

V+

1.5

—

RLOAD = 10 kΩ,

TA = 0°C to +85°C

Maximum Supply

Voltage

V+

——

5.5

RLOAD = 10 kΩ

Oscillator Frequency

FOSC

8.4

15.6

kHz

TCM828, TA = +25°C

24.5

45.5

kHz

TCM829, TA = +25°C

Power Efficiency

PEFF

—96

—

ILOAD = 3 mA,TA = +25°C

Voltage Conversion

Efficiency

VEFF

99.9

—

RLOAD = ∞

Output Resistance

ROUT

—25

IOUT = 5 mA,TA = +25°C

——

IOUT = 5 mA,TA = 0°C to +85°C

Note 1:

Capacitor contribution is approximately 20% of the output impedance [ESR = 1/pump frequency x

capacitance)].

ELECTRICAL CHARACTERISTICS (-40°C TO +85°C)

Electrical Specifications: TA = -40°C to +85°C, VIN = +5V, C1 = C2 = 10 µF (TCM828), C1 = C2 = 3.3 µF

(TCM829), unless otherwise noted. Typical values are at TA = +25°C. (Note 1)

Parameters

Sym

Min

Typ

Max

Units

Conditions

Supply Current

IDD

——

115

µA

TCM828

—

325

µA

TCM829

Supply Voltage Range

V+

1.5

—

5.5

RLOAD = 10 kΩ

Oscillator Frequency

FOSC

6—

15.6

kHz

TCM828

—

45.5

kHz

TCM829

Output Resistance

ROUT

——

IOUT = 5 mA

Note 1:

All -40°C to +85°C specifications above are assured by design.

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