参数资料
型号: MAX1714AEEP+T
厂商: Maxim Integrated Products
文件页数: 7/24页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 20-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 600kHz
占空比: 100%
电源电压: 4.5 V ~ 5.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 20-SSOP(0.154",3.90mm 宽)
包装: 带卷 (TR)
High-Speed Step-Down Controller
for Notebook Computers
_____________________________Typical Operating Characteristics (continued)
(Circuit of Figure 1, components from Table 1, V IN = +15V, SKIP = AGND, TON = unconnected, T A = +25°C, unless otherwise noted.)
LOAD-TRANSIENT RESPONSE
LOAD-TRANSIENT RESPONSE
(4A COMPONENTS, V OUT = 2.5V, 300kHz)
A
B
C
10 μ s/div
A = V OUT , AC-COUPLED, 100mV/div
B = INDUCTOR CURRENT, 2A/div
C = DL, 10V/div
START-UP WAVEFORM
(4A COMPONENTS, I OUT = 4A, ACTIVE LOAD,
V OUT = 2.5V, 300kHz)
A
B
C
LOAD-TRANSIENT RESPONSE
(8A COMPONENTS, V OUT = 1.6V, 300kHz)
10 μ s/div
A = V OUT , AC-COUPLED, 100mV/div
B = INDUCTOR CURRENT, 5A/div
C = DL, 5V/div
OUTPUT OVERLOAD WAVEFORM
(4A COMPONENTS, V OUT = 2.5V, 300kHz)
OUTPUT
A
B
C
(1.5A COMPONENTS, V IN = 5V,
V OUT = 2.5V, 600kHz)
5 μ s/div
A = V OUT , AC-COUPLED, 100mV/div
B = INDUCTOR CURRENT, 1A/div
C = DL, 5V/div
SHUTDOWN WAVEFORM
(4A COMPONENTS, V OUT = 2.5V, 300kHz)
A
B
A
B
UNDERVOLTAGE
PROTECTION
THRESHOLD
A
B
C
500 μ s/div
A = V OUT , 1V/div
B = INDUCTOR CURRENT, 5A/div
C = DL, 5V/div
C
200 μ s/div
A = V OUT , 1V/div
B = INDUCTOR CURRENT, 5A/div
C = DL, 5V/div
C
50 μ s/div
A = V OUT , 1V/div
B = INDUCTOR CURRENT, 5A/div
C = DL, 5V/div
_______________________________________________________________________________________
7
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