参数资料
型号: MAX887HESA+T
厂商: Maxim Integrated Products
文件页数: 6/12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: 2,500
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: 带卷 (TR)
供应商设备封装: 8-SOIC
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
LOAD-TRANSIENT RESPONSE
A
LINE-TRANSIENT RESPONSE
B
B
C
A
B
40 μ s/div
V IN = 5V, V OUT = 3.3V,
LOAD = 0mA TO 500mA, PWM MODE
A: LX, 5V/div
B: V OUT , 50mV/div, AC COUPLED
C: LOAD CURRENT, 500mA/div
RECOVERY FROM 100% DUTY CYCLE
(DROP OUT)
A
B
C
200 μ s/div
V IN = 5V TO 11V, V OUT = 3.3V,
LOAD = 500mA, PWM MODE
A: V IN , 5V/div
B: V OUT , 20mV/div, AC COUPLED
SHUTDOWN AND STARTUP RESPONSE
C
200 μ s/div
V IN = 3.3V TO 11V, V OUT = 3.3V,
LOAD = 500mA, PWM MODE
A: V IN , 5V/div
B: V OUT , 50mV/div, AC COUPLED
C: LX, 10V/div
D
500 μ s/div
V IN = 5V, V OUT = 3.3V,
LOAD = 100mA, PWM MODE
A: SHDN, 5V/div
B: V OUT , 2V/div, AC COUPLED
C: LX, 5V/div
D: INDUCTOR CURRENT, 500mA/div
6
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