参数资料
型号: MAX887HESA+
厂商: Maxim Integrated Products
文件页数: 5/12页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 0.6A 8SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 1.25 V ~ 10 V
输入电压: 3.5 V ~ 11 V
PWM 型: 电流模式,混合
频率 - 开关: 300kHz
电流 - 输出: 600mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 管件
供应商设备封装: 8-SOIC
产品目录页面: 1409 (CN2011-ZH PDF)
100% Duty Cycle, Low-Noise,
Step-Down, PWM DC-DC Converter
____________________________Typical Operating Characteristics (continued)
(Circuit of Figure 2, T A = +25°C, unless otherwise noted.)
A
B
C
0mA
A
B
C
HEAVY-LOAD, PWM-MODE
SWITCHING WAVEFORMS
1 μ s/div
V IN = 5V, V OUT = 3.3V, LOAD = 500mA
A: LX, 5V/div
B: V OUT , 20mV/div, AC COUPLED
C: INDUCTOR CURRENT, 500mA/div
LIGHT-LOAD, PFM-MODE
SWITCHING WAVEFORMS
1 μ s/div
V IN = 5V, V OUT = 3.3V, LOAD = 0mA
A: LX, 5V/div
B: V OUT , 20mV/div, AC COUPLED
C: INDUCTOR CURRENT, 200mA/div
A
B
C
A
B
C
LIGHT-LOAD, PWM-MODE
SWITCHING WAVEFORMS
1 μ s/div
V IN = 5V, V OUT = 3.3V, LOAD = 0mA
A: LX, 5V/div
B: V OUT , 20mV/div, AC COUPLED
C: INDUCTOR CURRENT, 500mA/div
MEDIUM-LOAD, PFM-MODE
SWITCHING WAVEFORMS
10 μ s/div
V IN = 5V, V OUT = 3.3V, LOAD = 70mA
A: LX, 5V/div
B: V OUT , 20mV/div, AC COUPLED
C: INDUCTOR CURRENT, 200mA/div
_______________________________________________________________________________________
5
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