Typical Performance Characteristics
Continuous Mode Switching Waveforms
VIN = 20V, VOUT = 5V, ILOAD = 3A
Discontinuous Mode Switching Waveforms
VIN = 20V, VOUT = 5V, ILOAD = 500 mA
L = 33 μH, COUT = 200 μF, COUTESR = 26 mΩ
L = 10 μH, COUT = 400 μF, COUTESR = 13 mΩ
20099617
20099618
A: VSW Pin Voltage, 10 V/div.
A: VSW Pin Voltage, 10 V/div.
B: Inductor Current, 1 A/div
B: Inductor Current, 1 A/div
C: Output Ripple Voltage, 20 mV/div AC-Coupled
C: Output Ripple Voltage, 20 mV/div AC-Coupled
Horizontal Time Base: 1 μs/div
Horizontal Time Base: 1 μs//iv
Load Transient Response for Continuous Mode
VIN = 20V, VOUT = 5V
Load Transient Response for Discontinuous Mode
VIN = 20V, VOUT = 5V,
L = 33 μH, COUT = 200 μF, COUTESR = 26 mΩ
L = 10 μH, COUT = 400 μF, COUTESR = 13 mΩ
20099619
20099620
A: Output Voltage, 100 mV//div, AC-Coupled.
A: Output Voltage, 100 mV/div, AC-Coupled.
B: Load Current: 500 mA to 3A Load Pulse
B: Load Current: 200 mA to 3A Load Pulse
Horizontal Time Base: 100 μs/div
Horizontal Time Base: 200 μs/div
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200996 Version 2 Revision 3 Print Date/Time: 2011/03/24 16:39:24
TI [ TEXAS INSTRUMENTS ]
