ADP2164ACPZ-1.0-R7 datasheet(11/20 Pages) AD

11 / 20 page

Data Sheet

ADP2164

Rev. 0 | Page 11 of 20

CH2 500mV

CH4 500mV

M 2.00ms

A CH2

820mV

T 40.40%

TRK

Figure 28. Tracking Function

–12

–24

–36

–48

–60

200

160

120

–40

–80

–120

–160

–200

10k

100k

FREQUENCY (Hz)

CROSS FREQUENCY: 57kHz

PHASE MARGIN: 67°

PHASE

MAGNITUDE

Figure 29. Bode Plot at VIN = 5 V, VOUT = 1.0 V, IO = 4 A, fS = 1.2 MHz,

L = 0.68 μH, COUT = 2 × 100 μF

–12

–24

–36

–48

–60

200

160

120

–40

–80

–120

–160

–200

10k

100k

FREQUENCY (Hz)

CROSS FREQUENCY: 52kHz

PHASE MARGIN: 69°

PHASE

MAGNITUDE

Figure 30. Bode Plot at VIN = 5 V, VOUT = 1.5 V, IO = 4 A, fS = 1.2 MHz,

L = 1 μH, COUT = 47 μF + 100 μF

CH1 5.00mV

CH2 5.00V

CH4 2.00A Ω

M 400ns

A CH2

3.30V

T 30.60%

VOUT

Figure 31. Steady Waveform, VIN = 5 V, VOUT = 1.2 V, fS = 1.2 MHz

–12

–24

–36

–48

–60

200

160

120

–40

–80

–120

–160

–200

10k

100k

FREQUENCY (Hz)

CROSS FREQUENCY: 61kHz

PHASE MARGIN: 69°

PHASE

MAGNITUDE

Figure 32. Bode Plot at VIN = 5 V, VOUT = 1.2 V, IO = 4 A, fS = 1.2 MHz,

L = 0.68 μH, COUT = 47 μF + 100 μF

–12

–24

–36

–48

–60

200

160

120

–40

–80

–120

–160

–200

10k

100k

FREQUENCY (Hz)

CROSS FREQUENCY: 61kHz

PHASE MARGIN: 66°

PHASE

MAGNITUDE

Figure 33. Bode Plot at VIN = 5 V, VOUT = 1.8 V, IO = 4 A, fS = 1.2 MHz,

L = 1 μH, COUT = 100 μF

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