LTC4355 datasheet(5/20 Pages) LINEAR

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LTC4419

4419f

For more information www.linear.com/LTC4419

Output Voltage and Current

Waveforms During Switchover

Output Current IOUT Response for

Different Shorting Impedances

Typical perForMance characTerisTics

Output Current Limit vs

Temperature

IOUT vs VOUT for Different Input

Supply Voltages

V1 Reverse Voltage Blocking with

V2 Powering OUT

Switchover from a Higher to a

Lower Voltage

Switch RON vs Temperature

OUT

10V

10µs/DIV

IOUT

0.5A/DIV

2V/DIV

4419 G16

COUT = 10µF

C1 = C2 = 10µF

ILOAD = 50mA

3.6V

TEMPERATURE (°C)

–50 –25

100 125

4419 G13

TEMPERATURE (°C)

–50 –25

100 125

0.80

0.90

1.00

1.10

1.20

1.30

1.40

4419 G10

ILOAD = 50mA

–10V

10V

20ms/DIV

5V/DIV

10V/DIV

IOUT

0.5A/DIV

4419 G17

OHMIC

CURRENT

LIMIT

FOLDBACK

VIN = 1.8V

VIN = 3.6V

VIN = 5V

VOUT (V)

0.2

0.4

0.6

0.8

1.0

1.2

4419 G12

COUT = 10µF

IOUT = 200mA

DISCONNECT FROM V1

CONNECT TO V2

3ms/DIV

OUT

2V/DIV

4419 G15

1.2Ω

2.2Ω

3.3Ω

3.9Ω

5.0Ω

40µs/DIV

0.5

1.0

1.5

2.0

2.5

3.0

4419 G11

(TA = 25°C, V1 = V2 = 3.6V unless otherwise indicated).

Freshness Seal Current

vs V2 Voltage and Temperature

V1 = 0V

1.8V

3.6V

≥6V

TEMPERATURE (°C)

–50

–25

100

150

200

250

4419 G14

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