LT8625SP datasheet(13/44 Pages) AD

13 / 44 page

Data Sheet

LT83203/LT83205

analog.com

Rev. B

13 of 44

Figure 16. SET Pin Current vs. VSET

Figure 17. SET Pin Current vs. Input Voltage

Figure 18. Load Regulation

Figure 19. Line Regulation

Figure 20. EN/UVLO Pin Thresholds

Figure 21. Top MOSFET Current Limit

VIN = 18V

VSET (V)

99.0

99.2

99.4

99.6

99.8

100.0

100.2

100.4

100.6

100.8

101.0

VOUT = 1V

INPUT VOLTAGE (V)

9 10 11 12 13 14 15 16 17 18

99.0

99.2

99.4

99.6

99.8

100.0

100.2

100.4

100.6

100.8

101.0

VOUT = 1V

PULSE-SKIPPING MODE

FORCED CONTINUOUS MODE

LOAD CURRENT (A)

–0.5

–0.4

–0.3

–0.2

–0.1

0.1

0.2

0.3

0.4

0.5

VOUT = 1V

ILOAD = 1A

fSW = 2MHz

FORCED CONTINUOUS MODE

INPUT VOLTAGE (V)

10 11 12 13 14 15 16 17 18

–0.50

–0.45

–0.40

–0.35

–0.30

–0.25

–0.20

–0.15

–0.10

–0.05

0.05

0.10

EN/UVLO RISING

EN/UVLO FALLING

TEMPERATURE (°C)

–50

–25

100

125

150

0.67

0.68

0.69

0.70

0.71

0.72

0.73

0.74

0.75

0.76

0.77

10% DC

LT83205

LT83203

TEMPERATURE (°C)

–50

–25

100

125

150

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