ADP7157ARDZ-04-R7 datasheet(13/24 Pages) AD

13 / 24 page

ADP7157

Data Sheet

Rev. A | Page 12 of 23

CH1 500mA

CH2 5.00mV

M4.00µs A CH1

740mA

T 21.30%

SLEW RATE = 2.5A/µs

Figure 35. Load Transient Response, ILOAD = 100 mA to 1.2 A,

VOUT = 1.8 V, VIN = 2.5 V, Channel 1 = IOUT, Channel 2 = VOUT

CH1 500mA

CH2 5.00mV

M4.00µs A CH1

740mA

T 20.70%

IOUT

VOUT

SLEW RATE = 2.4A/µs

Figure 36. Load Transient Response, ILOAD = 100 mA to 1.2 A, VOUT = 1.8 V,

VIN = 2.5 V, COUT = 22 μF, Channel 1 = IOUT, Channel 2 = VOUT

CH1 1.00V

CH2 5.00mV

M10.0µs

A CH1

4.34V

T 21.10%

VIN

SLEW RATE = 1V/µs

VOUT

Figure 37. Line Transient Response, 1 V Input Step, ILOAD = 1.2 A,

VOUT = 3.3 V, VIN = 3.8 V, Channel 1 = VIN, Channel 2 = VOUT

CH1 1.00V

CH2 2.00mV

M10.0µs

A CH1

3.00V

T 21.80%

VIN

SLEW RATE = 1V/µs

VOUT

Figure 38. Line Transient Response, 1 V Input Step, ILOAD = 1.2 A,

VOUT = 1.8 V, VIN = 2.5 V, Channel 1 = VIN, Channel 2 = VOUT

0.5

1.0

1.5

2.0

2.5

3.0

3.5

TIME (ms)

3.3V

2.5V

1.8V

–2

–1

012345678

Figure 39. VOUT Start-Up Time After VEN Rising

at Various Output Voltages, VIN = 5.0 V, CBYP = 1 μF

0.5

1.0

1.5

2.0

2.5

3.0

3.5

–2

TIME (ms)

1µF

4.7µF

10µF

Figure 40. VOUT Start-Up Time Behavior at Various Values of CBYP,

VOUT = 3.3 V

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