ZSPM1025C Datasheet, PDF (34/40 Pages) List of Unclassifed Manufacturers – True Digital PWM Controller (Single-Phase, Single-Rail)

ZSPM1025C / ZSPM1025D
True Digital PWM Controller (Single-Phase, Single-Rail)
4.3.6. Typical Load Transient Response – ZSPM1025D – Capacitor Range #2 – Comp1
Test conditions: VIN = 12.0V, VOUT = 1.80V
Minimum output capacitance: 3 x 100µF/6.3V X5R + 2 x 47µF/10V X7R
Maximum output capacitance: 7 x 100µF/6.3V X5R + 4 x 47µF/10V X7R
Figure 4-28 5 to 20A Load Step – Min. Capacitance
Figure 4-29 20 to 5A Load Step – Min. Capacitance
Ch1 (Blue): VOUT 50mV/div AC
Ch2 (Cyan): PWM 5V/div DC
Ch3: (Violet): Load Trigger 5V/div DC
Time Scale: 8µs/div
Ch1 (Blue): VOUT 50mV/div AC
Ch2 (Cyan): PWM 5V/div DC
Ch3: (Violet): Load Trigger 5V/div DC
Time Scale: 8µs/div
Figure 4-30 5 to 20A Load Step – Max. Capacitance
Figure 4-31 20 to 5A Load Step – Max. Capacitance
Ch1 (Blue): VOUT 50mV/div AC
Ch2 (Cyan): PWM 5V/div DC
Ch3: (Violet): Load Trigger 5V/div DC
Time Scale: 8µs/div
Ch1 (Blue): VOUT 50mV/div AC
Ch2 (Cyan): PWM 5V/div DC
Ch3: (Violet): Load Trigger 5V/div DC
Time Scale: 8µs/div
40
30
20
10
0
-10
-20
-30
-40
1
Figure 4-32 Open Loop Bode Plots
0
Max Caps - Gain
Min Caps - Gain
-30
Max Caps - Phase _-60
Min Caps - Phase
-90
-120
-150
-180
10
100
Frequency [kHz]
Data Sheet
October 28, 2013
© 2013 Zentrum Mikroelektronik Dresden AG — Rev. 1.00
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the
prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.
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