FN8724 datasheet(8/34 Pages) RENESAS

tên linh kiện	FN8724

Giải thích chi tiết về linh kiện	High Efficiency Single Inductor Positive/Negative Power Supply

PDF	34 Pages

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ISL98608IIH

FN8724 Rev.2.01

Page 8 of 33

Dec 7, 2021

Typical Performance Curves T

A = +25°C, VIN = 3.7V, L1 = 1239AS-H-2R2M (2.5mmx2mm), CVBST = 10µF/0402,

CVP = 10µF/0402, CVN = 2 x 10µF/0402, CCP = 10µF/0402 unless otherwise noted.

FIGURE 4. DISPLAY POWER SYSTEM EFFICIENCY, VP/VN = ±5V

FIGURE 5. VP OUTPUT VOLTAGE RANGE

FIGURE 6. VN OUTPUT VOLTAGE RANGE

FIGURE 7. VBST LOAD TRANSIENT, VBST = 5.15V

FIGURE 8. VBST, VIN HEADROOM TRACKING, VBST = 5.4V

FIGURE 9. VBST RIPPLE, 10mA LOAD, VBST = 5.4, VIN = 3V

LOAD (A)

0.04

0.08

0.12

0.16

0.2

VIN = 4.35V

VIN = 3.7V

VIN = 3V

4.0

4.2

4.4

4.6

4.8

5.0

5.2

5.4

5.6

5.8

6.0

6.2

6.4

6.6

6.8

7.0

7.2

102030405060

3.7V

2.5V

4.0

4.2

4.4

4.6

4.8

5.0

5.2

5.4

5.6

5.8

6.0

6.2

6.4

6.6

6.8

7.0

7.2

1020

405060

3.7V

2.5V

40µs/DIV

VBST OUTPUT CURRENT

CH2 = 200mV/DIV (AC), CH4 = 50mA/DIV

VBST

5.3

5.4

5.5

5.6

5.7

5.8

5.9

6.0

6.1

2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0 5.2 5.4

VIN (V)

VBST

INDUCTOR CURRENT

CH2 = 50mV/DIV (AC), CH3 = 2V/DIV

CH4 = 200mA/DIV

2µs/DIV

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