参数资料
型号: MAX1790EUA+T
厂商: Maxim Integrated Products
文件页数: 7/14页
文件大小: 0K
描述: IC REG BOOST ADJ 0.8A 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: 可调式
输出数: 1
输出电压: 2.6 V ~ 12 V
输入电压: 2.6 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 640kHz, 1.22MHz
电流 - 输出: 1.2A
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-Noise Step-Up DC-DC Converters
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V IN = 3.3V, f OSC = 640kHz, T A = +25°C, unless otherwise noted.)
STARTUP WAVEFORM
CH1
WITH SOFT-START
CH1
SWITCHING WAVEFORM
CH2
CH2
CH3
CH3
1800
2ms/div
CH1 = SHDN, 5V/div
CH2 = V OUT, 5V/div
CH3 = INDUCTOR CURRENT, 500mA/div
V OUT = 12V, I OUT = 200mA, f OSC = 640kHz,
C SS = 0.027 μ F
MAX1790 MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
1800
500ns/div
CH1 = LX SWITCHING WAVEFORM, 5V/div
CH2 = OUTPUT VOLTAGE, AC-COUPLED, 200mV/div
CH3 = INDUCTOR CURRENT, 1A/div
V OUT = 12V, I OUT = 200mA, f OSC = 640kHz, L = 10 μ H;
C OUT = 33 μ F + 0.1 μ F
MAX8715 MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
1600
1400
1200
1000
800
600
400
200
0
V OUT = 5V
V OUT = 12V
f OSC = 640kHz
1600
1400
1200
1000
800
600
400
200
0
V OUT = 9V
f OSC = 1.2MHz
L = 6.8 μ H
C OUT = 3 x 3.3 μ F
3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0
INPUT VOLTAGE (V)
3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0
INPUT VOLTAGE (V)
_______________________________________________________________________________________
7
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