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MAX1686

3V to 5V Regulating Charge Pumps for SIM Cards

Maxim Integrated 

3V to 5V Regulating

Charge Pumps for SIM Cards

Typical Operating Characteristics (continued)

(See Typical Operating Circuit, CIN = 0.47µF, CX = 0.22µF, COUT = 10µF, VIN = 3.3V, TA = +25°C, unless otherwise noted.)

OUTPUT WAVEFORM

(ILOAD = 1mA)

LINE-TRANSIENT RESPONSE

LOAD-TRANSIENT RESPONSE

VOUT

(20mV/div)

VIN

(500mV/div)

VOUT

(50mV/div)

ILOAD

(10mA/div)

VOUT

(50mV/div)

25µs/div

5V MODE, AC COUPLED,

COUT = 10µF  0.1µF

START-UP WAVEFORM

(3V MODE, RL = 500Ω)

SHDN

(5V/div)

2.5ms/div

VIN = 2.8V to 3.3V, ILOAD = 10mA, 5V MODE,

AC COUPLED

START-UP WAVEFORM

(5V MODE, RL = 500Ω)

SHDN

(5V/div)

2.5ms/div

ILOAD = 0 TO 10mA, 5V MODE, AC COUPLED

3V MODE TO 5V MODE

WAVEFORM (RL = 500Ω)

3/5

(5V/div)

VOUT

(1V/div)

0V

SHDN

(5V/div)

250µs/div

SHUTDOWN WAVEFORM

(3V MODE, NO LOAD)

VOUT

(1V/div)

0V

SHDN

(5V/div)

250µs/div

SHUTDOWN WAVEFORM

(5V MODE, NO LOAD)

VOUT

(1V/div)

0V

3/5

(5V/div)

250µs/div

5V MODE TO 3V MODE

WAVEFORM (NO LOAD)

VOUT

(1V/div)

VOUT

(1V/div)

VOUT

(1V/div)

0V

RL = 500Ω

1ms/div

0V

1ms/div

0V

500µs/div

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