LTC3252

3

3252f

Note 1: Absolute Maximum Ratings are those values beyond which the life

of a device may be impaired.

Note 2: The LTC3252EDE is guaranteed to meet specified performance

from 0

°C to 70°C. Specifications over the –40°C and 85°C operating

temperature range are assured by design characterization and correlation

with statistical process control.

Note 3: Based on long-term current density limitations.

Note 4: Minimum operating voltage required for regulation is:

Note 6: This IC includes overtemperature protection that is intended to

protect the device during momentary overload conditions. Junction

temperature will exceed 125

°C when overtemperature protection is active.

Continuous operation above the specified maximum operating junction

temperature may impair device reliability.

ELECTRICAL CHARACTERISTICS

TYPICAL PERFOR A CE CHARACTERISTICS

No Load Supply Current vs Supply

Voltage (One Output Enabled)

No Load Supply Current vs Supply

Voltage (Both Outputs Enabled)

EN1/EN2 Input Threshold Voltage

vs Supply Voltage

1.5V Output Voltage vs Supply

Voltage

1.5V Output Efficiency vs Output

Current

2.7

60

50

40

30

20

10

0

3.2

3.7

4.2

4.7

3252 G01

5.2

–45

°C

85

°C

25

°C

2.7

100

90

80

70

60

50

40

30

20

10

0

3.2

3.7

4.2

4.7

3252 G02

5.2

–40

°C

85

°C

25

°C

0

0.82

0.81

0.80

0.79

0.78

0.77

0.76

3252 G03

50

100

150

200

250

–40

°C

85

°C

25

°C

FB Voltage vs Load Current

2.7

1.2

1.1

1.0

0.9

0.8

0.7

0.6

0.5

0.4

3.2

3.7

4.2

4.7

3252 G04

5.2

–40

°C

85

°C

25

°C

3

1.60

1.58

1.56

1.54

1.52

1.50

1.48

1.46

1.44

1.42

1.40

3252 G05

3.5

4

4.5

5

5.5

0.1

100

80

60

40

20

0

3252 G06

1

10

100

1000