LT3032EDETRPBF datasheet(6/20 Pages) LINER

Part #	LT3032EDETRPBF

Description	Dual 150mA Positive/Negative Low Noise Low Dropout Linear Regulator

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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6 / 20 page

LT3032

6

3032f

TYPICAL PERFORMANCE CHARACTERISTICS

Positive Side GND Pin Current

vs ILOAD

Negative Side GND Pin Current

vs ILOAD

SHDNP Pin Threshold

SHDNN Pin Thresholds

SHDNP Pin Input Current

INN Quiescent Current

Positive Side GND Pin Current

Negative Side GND Pin Current

INN VOLTAGE (V)

–40

–35

–30

–25

–20

–15

–10

–5

–0

3032 G10

0

–1 –2 –3 –4 –5 –6 –7 –8 –9 –10

TJ = 25°C

RL = 250k

IL = –5μA

VSHDNN = VINN

VSHDNN = 0V

INP VOLTAGE (V)

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0

3032 G11

0123

4

5

67

8

9

10

RL = 8.07Ω

IL = 150mA*

RL = 12.2Ω

IL = 100mA*

RL = 24.4Ω

IL = 50mA*

TJ = 25°C

VINP = VSHDNP

*FOR VOUTP = 1.22V

–3.0

–2.5

–2.0

–1.5

–1.0

–0.5

0

3032 G12

0

–1 –2 –3 –4 –5 –6 –7 –8 –9 –10

RL = 12.2Ω

IL = –100mA*

RL = 24.4Ω

IL = –50mA*

RL = 122Ω

IL = –10mA*

TJ = 25°C; VSHDNN = VINN;

*FOR VOUTN = –1.22V

RL = 8.07Ω

IL = –150mA*

INN VOLTAGE (V)

POSITIVE LOAD CURRENT (mA)

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0

3032 G13

020

40

60

80

100 120 140 160

VINP = VOUTP(NOMINAL) + 1V

TJ = 25°C

–4.0

–3.5

–3.0

–2.5

–2.0

–1.5

–1.0

–0.5

0

3032 G14

0

–40 –60

–20

–80

–120 –140

–100

–160

VINN = VOUTN(NOMINAL) – 1V

TJ = –50°C

TJ = 25°C

TJ = 125°C

NEGATIVE LOAD CURRENT (mA)

TEMPERATURE (°C)

–50

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0

50

75

3032 G15

–25

25

100

125

IL = 1mA

ON

OFF

2.5

2.0

1.5

1.0

0.5

0

–0.5

–1.0

–1.5

–2.0

–2.5

3032 G16

ON

OFF

TEMPERATURE (°C)

–50

–25

0

25

50

75

100

125

SHDNP PIN VOLTAGE (V)

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

3032 G17

0123

4

5

67

8

9

10

TEMPERATURE (°C)

–50

100

3032 G18

050

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

–25

25

75

125

VSHDNP = 20V

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