MAX1697_EUT-T datasheet(2/13 Pages) MAXIM

Part #	MAX1697_EUT-T

Description	60mA, SOT23 Inverting Charge Pump with Shutdown

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Manufacturer	MAXIM [Maxim Integrated Products]

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60mA, SOT23 Inverting Charge Pump

with Shutdown

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(Circuit of Figure 1, capacitors from Table 2, VIN = +5V, SHDN = IN, 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

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 Output Current............................................................90mA

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

Continuous Power Dissipation (TA = +70°C)

6-Pin SOT23 (derate 14mW/°C above +70°C) (Note 5)...1.1W

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

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

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

Lead Temperature ..........................................................(Note 6)

MAX1697T/U, RL = 5k

Ω

SHDN = GND or IN

VIN(MIN)

≤ VIN ≤ 2.5V

MAX1697R/S, RL = 5k

Ω

2.5V

≤ VIN ≤ 5.5V

VIN(MIN)

≤ VIN ≤ 2.5V

2.5V

≤ VIN ≤ 5.5V

IOUT = 0, TA = +25°C

SHDN = GND, OUT is internally pulled to GND

in shutdown

TA = +25°C

SHDN = GND

IOUT = 60mA

CONDITIONS

10

nA

-100

0.05

+100

SHDN Bias Current

0.2

V

0.6

SHDN Input Logic Low

VIN - 0.2

V

2.0

SHDN Input Logic High

Ω

38

OUT to GND Shutdown

Resistance

33

Ω

12

25

Output Resistance (Note 7)

1.4

5.5

1.5

5.5

V

1.25

5.5

Supply Voltage Range

%

99

99.9

Voltage Conversion Efficiency

20

35

50

kHz

Oscillator Frequency

0.03

1.5

5.5

µA

150

300

Quiescent Supply Current

(Note 9)

350

650

µA

0.002

1

Shutdown Supply Current

UNITS

MIN

TYP

MAX

PARAMETER

TA = 0°C to +85°C

TA = +25°C

TA = 0°C to +85°C

TA = +25°C

MAX1697S

MAX1697R

TA = +85°C

TA = +25°C

TA = 0°C to +85°C

TA = +25°C

TA = +85°C

TA = +25°C

MAX1697U

MAX1697T

950

1700

1800

3400

Output shorted to ground, TA = +25°C

mA

170

Short-Circuit Current

712

17

140

250

360

70

125

180

MAX1697R

MAX1697S

MAX1697T

MAX1697U

Note 5:

Thermal properties are specified with product mounted on the PC board with one square-inch of copper area and still air.

Note 6:

This device is constructed using a unique set of packaging techniques that impose a limit on the thermal profile the

device can be exposed to during board level solder attach and rework. Maxim recommends the use of the solder profiles

recommended in the industry standard specification, JEDEC 020A, paragraph 7.6, Table 3 for IR/VPR and Convection

reflow processes. Preheating, per this standard, is required. Hand or wave soldering is not recommended.

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