参数资料
型号: MAX8792EVKIT+
厂商: Maxim Integrated Products
文件页数: 8/28页
文件大小: 0K
描述: KIT EVAL FOR MAX8792
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 1,非隔离
输出电压: 1.5V
电流 - 输出: 10A
输入电压: 7 ~ 20 V
稳压器拓扑结构: 降压
频率 - 开关: 300kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: MAX8792
Single Quick-PWM Step-Down
Controller with Dynamic REFIN
Typical Operating Characteristics (continued)
(MAX8792 Circuit of Figure 1, V IN = 12V, V DD = 5V, SKIP = GND, R TON = 200k Ω , T A = +25°C, unless otherwise noted.)
100
NO-LOAD SUPPLY CURRENT I IN
vs. INPUT VOLTAGE
2.02
REF OUTPUT VOLTAGE
vs. LOAD CURRENT
50
+85 ° C
REFIN-TO-FB OFFSET
VOLTAGE DISTRIBUTION
SAMPLE SIZE = 100
10
PWM MODE
2.01
40
+25 ° C
30
1
LOW-NOISE MODE
2.00
20
0.1
SKIP MODE
1.99
10
0.01
1.98
0
6
9
12
15
18
21
24
-10 0 10 20 30 40 50 60 70 80 90 100 110
50
INPUT VOLTAGE (V)
20V ILIM THRESHOLD
VOLTAGE DISTRIBUTION
LOAD CURRENT ( μ A)
SOFT-START WAVEFORM
(HEAVY LOAD)
MAX8792 toc17
OFFSET VOLTAGE (mV)
SOFT-START WAVEFORM
(LIGHT LOAD)
MAX8792 toc18
40
+85 ° C
+25 ° C
SAMPLE SIZE = 100
5V
0
A
5V
0
A
5V
5V
30
20
10
0
1.5V
0
8A
B
C
D
0
1.5V
0
B
C
D
0
0
200 μ s/div
0
200 μ s/div
ILIM THRESHOLD VOLTAGE (mV)
A. EN, 5V/div
B. PGOOD, 5V/div
C. V OUT , 1V/div
B. INDUCTOR CURRENT,
A. EN, 5V/div
B. PGOOD, 5V/div
C. V OUT , 1V/div
B. INDUCTOR CURRENT,
10A/div
LOAD-TRANSIENT RESPONSE
10A/div
LOAD-TRANSIENT RESPONSE
5V
SHUTDOWN WAVEFORM
MAX8792 toc19
(PWM MODE)
MAX8792 toc20
(SKIP MODE)
MAX8792 toc21
0
5V
0
A
B
8A
1A
1.55V
A
8A
1A
1.55V
A
5V
0
1.5V
0
0
A. EN, 5V/div
200 μ s/div
D. V OUT , 1V/div
C
D
E
1.45V
8A
1A
B
C
20 μ s/div
A. I OUT = 1A TO 8A, 10A/div C. INDUCTOR CURRENT,
1.45V
10A
0A
B
C
20 μ s/div
A. I OUT = 1A TO 8A, 10A/div C. INDUCTOR CURRENT,
B. PGOOD, 5V/div
E. INDUCTOR CURRENT,
B. V OUT , 50mV/div
10A/div
B. V OUT , 50mV/div
10A/div
C. DL, 5V/div
5A/div
8
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