ADP5054ACPZ-R7 datasheet(12/31 Pages) AD

12 / 31 page

ADP5054

Data Sheet

Rev. B | Page 12 of 31

3.5

3.6

3.7

3.8

3.9

4.0

4.1

4.2

4.3

4.4

4.5

–50

–20

100

130

TEMPERATURE (°C)

RISING

FALLING

Figure 16. UVLO Threshold vs. Temperature

–50

–20

100

130

TEMPERATURE (°C)

RLIM = 22kΩ

RLIM = OPEN

RLIM = 47kΩ

Figure 17. Channel 1/Channel 2 Current Limit vs. Temperature

100

120

140

160

180

200

–50

–20

100

130

CHANNEL 1/CHANNEL 2

CHANNEL 3/CHANNEL 4

TEMPERATURE (°C)

Figure 18. Minimum On Time vs. Temperature

Figure 19. Steady State Waveform at Heavy Load, VIN = 12 V, VOUT = 3.3 V,

IOUT = 3 A, fSW = 600 kHz, L = 4.7 µH, COUT = 47 µF × 2, FPWM Mode,

Channel 1 = VOUTX, Channel 2 = SWx

Figure 20. Steady State Waveform at Light Load, VIN = 12 V, VOUT = 3.3 V,

IOUT = 30 mA, fSW = 600 kHz, L = 4.7 µH, COUT = 47 µF × 2,

Automatic PWM/PSM Mode, Channel 1 = VOUTX, Channel 2 = SWx

Figure 21. Channel 1/Channel 2 Load Transient, 1 A to 4 A, VIN = 12 V,

VOUT = 3.3 V, fSW = 600 kHz, L = 2.2 µH, COUT = 47 µF × 2,

Channel 1 = VOUTX, Channel 4 = IOUTX

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