TC1219/TC1220

DS21366B-page 2

 2002 Microchip Technology Inc.

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings*

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

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

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

6-Pin SOT-23A .........................................240mW

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

Storage Temperature (Unbiased) .......-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.

TC1219/TC1220 ELECTRICAL SPECIFICATIONS

unless otherwise noted.

Symbol

Parameter

Min

Typ

Max

Units

Device

Test Conditions

Supply Current

—

—

60

115

115

325

µA

TC1219

TC1220

Shutdown Supply Current

—

0.1

1.0

µA

Minimum Supply Voltage

2.5

——

Maximum Supply Voltage

——

5.5

V

Oscillator Frequency

6

19

12

35

20

56.3

kHz

TC1219

TC1220

SHDN Input Logic High

—

1.5

1.8

1.5

—

—

—

—

—

—

—

—

V

TC1219

TC1220

SHDN Input Logic Low

——

0.5

V

Power Efficiency

—

—

96

95

—

—

Voltage Conversion Efficiency

95

99.9

—

Output Resistance

—

25

65

Ω

TC1219/TC1220

Note

1:

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

2: