参数资料
型号: MAX8855ETJ+T
厂商: Maxim Integrated Products
文件页数: 6/20页
文件大小: 0K
描述: IC REG BUCK ADJ 5A DL 32TQFN
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: 2
输出电压: 0.6 V ~ 3.24 V
输入电压: 2.35 V ~ 3.6 V
PWM 型: 电压模式
频率 - 开关: 1MHz ~ 2MHz
电流 - 输出: 5A
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: 32-WFQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 32-TQFN-EP(5x5)
Dual, 5A, 2MHz Step-Down Regulators
Typical Operating Characteristics (continued)
(V IN1 = V IN2 = 3.3V, MAX8855/MAX8855A, circuit of Figure 6, T A = +25°C, unless otherwise noted.)
OUTPUT PEAK CURRENT LIMIT
8
vs. OUTPUT VOLTAGE
SHORT CIRCUIT AND RECOVERY
MAX8855/MAX8855A toc11
OUTPUT SEQUENCING (EN2 = PWRGD1)
MAX8855/MAX8855A toc12
7
V OUT1
500mV/div V OUT1
1V/div
6
1V/div
5
4
V OUT2
2V/div
3
2
1
0
I L1
2A/div
0A
V PWRGD1
V PWRGD2
2V/div
0.8
1.1
1.4
1.7
2.0
2.3
2.6
1ms/div
1ms/div
OUTPUT VOLTAGE (V)
OUTPUT TRACKING (EN1 = EN2)
MAX8855/MAX8855A toc13
EXTERNAL SYNCHRONIZATION
MAX8855/MAX8855A toc14
PULSE GENERATOR SIGNAL. A 10k Ω RESISTOR
V OUT1
1V/div
IS CONNECTED BETWEEN THE PULSE
GENERATOR AND FSYNC
2V/div
1V/div
V OUT2
2V/div
V LX1
2V/div
V PWRGD1
2V/div
V PWRGD2
1ms/div
DDR TRACKING 1.8V, 0.9V
V EN1
V OUT1
V PWRGD1
V LX2
STARTING INTO PREBIASED OUTPUT
MAX8855/MAX8855A toc15
40 μ s/div
400ns/div
2V/div
6
_______________________________________________________________________________________
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