参数资料
型号: MAX1797EUA+T
厂商: Maxim Integrated Products
文件页数: 7/13页
文件大小: 0K
描述: IC REG BOOST SYNC FIX/ADJ 8UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 升压(升压)
输出类型: 两者兼有
输出数: 1
输出电压: 3.3V,5V,可调
输入电压: 1 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 500kHz
电流 - 输出: 550mA
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-TSSOP,8-MSOP(0.118",3.00mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-uMAX
Low Supply Current, Step-Up DC-DC Converters
with True-Shutdown
Typical Operating Characteristics (continued)
(L = 22μH, C IN = 47μF, C OUT = 47μF, T A = +25 ° C, unless otherwise noted.)
LIGHT-LOAD SWITCHING WAVEFORMS
MAX1795/96/97 toc17
V LX
LINE-TRANSIENT RESPONSE
MAX1795/96/97 toc18
5V/div
V BATT
+2.7V TO +3V
I INDUCTOR
500mA/div
20 μ s/div
V BATT = +3.6V
V OUT = +5.0V
I LOAD = 40mA
LOAD-TRANSIENT RESPONSE
MAX1795/96/97 toc19
V OUT
(AC-COUPLED)
100mV/div
I OUT
10 μ s/div
V BATT = +2.7V TO +3V
V OUT = +5.0V
NO LOAD
STARTUP-SHUTDOWN WAVEFORMS
MAX1795/96/97 toc20
V OUT
(AC-COUPLED)
20mV/div
V SHDN
5V/div
100mA/div
V OUT
2V/div
V OUT
100mV/div
I INDUCTOR
500mA/div
V BATT = +2.4V
V OUT = +3.3V
I LOAD = 0 TO 325mA
40 μ s/div
V BATT = +2.4V
V OUT = +5.0V
I LOAD = 200mA
2ms/div
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7
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