参数资料
型号: ADP1875ARQZ-0.3-R7
厂商: ANALOG DEVICES INC
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, PDSO16
封装: ROHS COMPLIANT, MO-137AB, QSOP-16
文件页数: 7/44页
文件大小: 2475K
代理商: ADP1875ARQZ-0.3-R7
ADP1874/ADP1875
Rev. 0 | Page 15 of 44
CH1 5A
CH3 10V
CH4 100mV
B
W
M400ns
A CH3
2.20V
T 30.6%
1
3
4
OUTPUT VOLTAGE
INDUCTOR CURRENT
SW NODE
09
34
7-
04
5
Figure 46. CCM Operation at Heavy Load, 12 A
(See Figure 99 for Application Circuit)
CH1 10A
CH2 200mV
B
W
CH3 20V
CH4 5V
M2ms
A CH1
3.40A
T 75.6%
1
2
3
4
OUTPUT VOLTAGE
12A STEP
SW NODE
LOW SIDE
09
34
7-
0
46
Figure 47. Load Transient Step—PSM Enabled, 12 A
(See Figure 99 Application Circuit)
CH1 10A
CH2 200mV
B
W
CH3 20V
CH4 5V
M20s
A CH1
3.40A
T 30.6%
1
2
3
4
OUTPUT VOLTAGE
12A POSITIVE STEP
SW NODE
LOW SIDE
09
34
7-
04
7
Figure 48. Positive Step During Heavy Load Transient Behavior—PSM Enabled,
12 A, VOUT = 1.8 V (See Figure 99 Application Circuit)
CH1 10A
CH2 200mV
B
W
CH3 20V
CH4 5V
M20s
A CH1
3.40A
T 48.2%
1
2
3
4
OUTPUT VOLTAGE
12A NEGATIVE STEP
SW NODE
LOW SIDE
09
34
7-
04
8
Figure 49. Negative Step During Heavy Load Transient Behavior—PSM Enabled,
12 A (See Figure 99 Application Circuit)
CH1 10A
CH2 5V
CH3 20V
CH4 200mV
B
W
M2ms
A CH1
6.20A
T 15.6%
1
2
3
4
OUTPUT VOLTAGE
12A STEP
SW NODE
LOW SIDE
09
34
7-
04
9
Figure 50. Load Transient Step—Forced PWM at Light Load, 12 A
(See Figure 99 Application Circuit)
CH1 10A
CH2 5V
CH3 20V
CH4 200mV
B
W
M20s
A CH1
6.20A
T 43.8%
1
2
3
4
OUTPUT VOLTAGE
12A POSITIVE STEP
SW NODE
LOW SIDE
09
34
7-
05
0
Figure 51. Positive Step During Heavy Load Transient Behavior—Forced PWM
at Light Load, 12 A, VOUT = 1.8 V (See Figure 99 Application Circuit)
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