ZSPM1035A Datasheet, PDF (37/47 Pages) List of Unclassifed Manufacturers – True Digital PWM Controller (Single-Phase, Single-Rail)

ZSPM1035A
True Digital PWM Controller (Single-Phase, Single-Rail)
5.2.2. Typical Load Transient Response – Capacitor Range #2 – VOUT Range #1
Test conditions: VIN = 12.0V, VOUT = 1.20V
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 5.7 VOUT Range #1 with Capacitor Range #2 – Figure 5.8 VOUT Range #1 with Capacitor Range #2 –
Load Step 5 to 15A, Min. Capacitance
Load Step 15 to 5A, 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 5.9 VOUT Range #1 with Capacitor Range #2 – Figure 5.10 VOUT Range #1 with Capacitor Range #2 –
Load Step 5 to 15A, Max. Capacitance
Load Step 15 to 5A, 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
40
30
20
10
0
-10
-20
-30
-40
1
Figure 5.11 Open Loop Bode Plots for VOUT Range #1 with Capacitor Range #2
Max Caps - Gain
Min Caps - Gain
Max Caps - Phase
Min Caps - Phase
10
100
Frequency [kHz]
0
-30
-60
-90
-120
-150
-180
Data Sheet
December 3, 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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