MAX1719EUT datasheet(2/8 Pages) MAXIM

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SOT23, Switched-Capacitor

Voltage Inverters with Shutdown

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VIN = +5V, SHDN = GND (MAX1719), SHDN = IN (MAX1720/MAX1721), C1 = C2 = 10µF (MAX1720), C1 = C2 = 1µF

(MAX1719/MAX1721), circuit of Figure 1, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)

Stresses beyond 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 beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

IN to GND .................................................................-0.3V to +6V

OUT to GND .............................................................-6V to +0.3V

C1+, SHDN, SHDN to GND .........................-0.3V to (VIN + 0.3V)

C1- to GND ...............................................(VOUT - 0.3V) to +0.3V

OUT Output Current..........................................................100mA

OUT Short Circuit to GND..............................................Indefinite

Continuous Power Dissipation (TA = +70°C)

6-Pin SOT23 (derate 8.7mW/°C above +70°C).................696mW

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

Junction Temperature ......................................................+150°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

IOUT = 5mA

MAX1719/MAX1721

RL = 10k

Ω

SHDN/ SHDN = GND

or VIN

VIN (MIN)

≤ VIN ≤ +2.5V

MAX1720

RL = 10k

Ω

+2.5V

≤ VIN ≤ +5.5V

VIN (MIN)

≤ VIN ≤ +2.5V

+2.5V

≤ VIN ≤ +5.5V

IOUT = 0, TA = +25°C

SHDN = IN (MAX1719), SHDN = GND

(MAX1720/MAX1721), OUT is internally

forced to GND in shutdown

TA = +25°C

SHDN = IN (MAX1719),

SHDN = GND

(MAX1720/MAX1721)

IOUT = 10mA

CONDITIONS

µs

800

Wake-Up Time from Shutdown

-100

0.05

100

IIL, IIH

SHDN/ SHDN Bias Current

0.2

0.6

VIL

SHDN/ SHDN Input Logic Low

VIN - 0.2

2.0

VIH

SHDN/ SHDN Input Logic High

Ω

412

RO, SHDN

OUT to GND

Shutdown Resistance

Ω

Output Resistance (Note 1)

1.4

5.5

1.5

5.5

1.25

5.5

VIN

Supply Voltage Range

99.9

Voltage Conversion Efficiency

125

180

kHz

712

fOSC

Oscillator Frequency

0.02

1.5

5.5

µA

ICC

Quiescent Supply Current

(Note 3)

350

650

µA

0.001

ISHDN

Shutdown Supply Current

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

TA = 0°C to + 85°C

TA = +25°C

TA = 0°C to + 85°C

TA = +25°C

MAX1719/MAX1721

MAX1720

TA = +85°C

TA = +25°C

MAX1719/MAX1721

MAX1720

TA = 0°C to +85°C

TA = +25°C

TA = +85°C

TA = +25°C

MAX1719/MAX1721

MAX1720

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