MAX1852EXT datasheet(2/8 Pages) MAXIM

Part #	MAX1852EXT

Description	SC70 Inverting Charge Pumps with Shutdown

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Manufacturer	MAXIM [Maxim Integrated Products]

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SC70 Inverting Charge Pumps

with Shutdown

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(Circuit of Figure 1, capacitors from Table 2, VIN = +5V, SHDN = IN, TA = -40°C to +85°C, unless otherwise noted. Typical values are

at TA = +25°C.) (Note 1)

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

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

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

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

OUT Short-Circuit to GND ..............................................1 minute

Continuous Power Dissipation (TA = +70°C)

6-Pin SC70 (derate 3.1mW/°C above +70°C) .............245mW

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

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

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

Note 1: All devices are 100% production tested at TA = +25

°C. All temperature limits are guaranteed by design.

Note 2: Output resistance is guaranteed with capacitor ESR of 0.3

Ω or less.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage Range

2.5

5.5

V

TA = +25

°C

75

130

MAX1852

TA = -40

°C to +85°C

150

TA = +25

°C

165

320

Quiescent Supply Current

MAX1853

TA = -40

°C to +85°C

350

µA

TA = +25

°C

0.002

0.5

Shutdown Supply Current

SHDN = GND

TA = +85

°C

0.01

µA

TA = +25

°C

325068

MAX1852

TA = -40

°C to +85°C25

78

TA = +25

°C

130

200

270

Oscillator Frequency

MAX1853

TA = -40

°C to +85°C

110

310

kHz

Voltage Conversion Efficiency

IOUT = 0

99

99.9

%

TA = +25

°C15

30

Output Resistance (Note 2)

IOUT = 10mA

TA = -40

°C to +85°C40

Ω

Output Current

Continuous, long-term

30

mARMS

SHDN Input Logic High

+2.5V

≤ VIN ≤ +5.5V

0.7

× VIN

V

SHDN Input Logic Low

+2.5V

≤ VIN ≤ +5.5V

0.3

× VIN

V

TA = +25

°C

-100

1

100

SHDN Bias Current

SHDN = GND or IN

TA = +85

°C10

nA

MAX1852

260

Wake-Up Time From Shutdown

IOUT = 5mA

MAX1853

112

µs

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