CS5257A-1 datasheet(4/11 Pages) ONSEMI

Teilenummer	CS5257A-1

Bauteilbeschribung	7.0 A LDO 5?뭁in Adjustable Linear Regulator

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CS5257A−1

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4

Figure 2. Block Diagram

−

+

−

BIAS

and

TSD

VREF

EA

IA

VOUT

VSENSE

Adjust

VPOWER

VCONTROL

TYPICAL PERFORMANCE CHARACTERISTICS

Figure 3. Reference Voltage vs Temperature

TJ (°C)

10

30

−0.150

−0.050

0.100

−0.100

0

20

40

130

IO = 10 mA

VCONTROL = 2.75 V

VPOWER = 2.05 V

0.050

0

−0.075

0.075

−0.125

−0.025

0.025

50

70

60

80 90

110

100

120

Figure 4. Load Regulation vs Output Current

Figure 5. Transient Response

Figure 6. Short Circuit Current vs VPOWER − VOUT

VPOWER − VOUT (V)

0

1.0

0

6.0

8.0

14.0

2.0

4.0

10.0

12.0

2.0

3.0

4.0

5.0

0.5

1.5

2.5

3.5

4.5

5.5

VCONTROL = 2.75 V

0

1.0

3.0

2.0

7.0

Output Current (A)

4.0

6.0

5.0

0.10

0.09

0.08

0.07

0.06

0.05

0.04

0.03

0.02

0.01

0

VPOWER = 2.05 V

VCONTROL = 2.75 V

Time (ms)

100

COUT = 330 mF

CPOWER = 110 mF

CCONTROL = 10 mF

CADJ = 0.1 mF

VCONTROL = 5.0 V

VPOWER = 3.3 V

VOUT = 2.5 V

0

123

4

0

5

50

0

−50

−100

0

7.0

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