ADP2442ACPZ-R7 datasheet(12/36 Pages) AD

12 / 36 page

ADP2442

Data Sheet

Rev. B | Page 12 of 36

Figure 34. PWM Mode

VIN = 24 V, VOUT = 5 V, fSW = 700 kHz, Load = No Load, SYNC/MODE = VCC

Figure 35. PWM Mode with External Clock, VIN = 24 V, VOUT = 5 V,

fSW = 700 kHz, Load = 5 Ω, SYNC/MODE = Clock

Figure 36. External Clock Synchronization,

VIN = 24 V, VOUT = 5 V, fSW = 700 kHz, SYNC/MODE = Clock

Figure 37. Hiccup Mode, VIN = 24 V, VOUT = 5 V, fSW = 700 kHz,

Output Shorted to PGND

Figure 38. Load Transient Response, VIN = 24 V, VOUT = 5 V, fSW = 700 kHz,

SYNC/MODE = Clock, Load Step = 500 mA

Figure 39. Load Transient Response,

VIN = 12 V, VOUT = 5 V, fSW = 300 kHz, Load Step = 500 mA

CH1 20.0mV

W CH2 10.0V

CH4 500mA Ω BW

M1.00µs A CH4

–30mA

T 50.40%

VIN = 24V

VOUT = 5V

fSW = 700kHz

NO LOAD

SYNC/MODE = VCC

VOUT

INDUCTOR CURRENT

CH1 20.0mV

W CH2 10.0V

CH4 500mA Ω BW

M1.00µs A CH4

960mA

T 50.40%

VOUT

INDUCTOR CURRENT

VIN = 24V

VOUT = 5V

fSW = 700kHz

LOAD = 5Ω

SYNC/MODE = CLOCK

CH1 20.0mV

CH3 2.00V BW

CH2 10.0V M1.00µs

A CH2

9.80V

T 50.40%

EXTERNAL CLOCK

VIN = 24V VOUT = 5V fSW = 700kHz

VOUT

CH1 200mV BW

CH2 10.0V

CH4 1.00A Ω BW

M2.00ms A CH1

100mV

T 50.40%

VOUT

INDUCTOR CURRENT

T 28.80%

CH1 100mV

CH4 500mA Ω BW

M200µs

A CH4

430mA

VOUT

LOAD

VIN = 24V

VOUT = 5V

fSW = 700kHz

CH1 100mV

CH4 500mA Ω

M200µs

A CH4

690mA

VOUT

LOAD

VIN = 12V

VOUT = 5V

fSW = 300kHz

LOAD STEP = 500mA

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