参数资料
型号: MAX16909RATE/V+
厂商: Maxim Integrated Products
文件页数: 6/18页
文件大小: 0K
描述: IC REG BUCK 5V/ADJ 3A 16TQFN
标准包装: 60
类型: 降压(降压)
输出类型: 两者兼有
输出数: 1
输出电压: 5V,1 V ~ 10 V
输入电压: 3.5 V ~ 36 V
PWM 型: 电流模式
频率 - 开关: 220kHz ~ 1MHz
电流 - 输出: 3A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: *
封装/外壳: *
包装: *
供应商设备封装: *
MAX16909
36V, 220kHz to 1MHz Step-Down Converter
with Low Operating Current
Typical Operating Characteristics (continued)
(V SUP = V SUPSW = V EN = 14V, V OUT = 1.8V, R1 = 80.6k?, R2 = 100k?, T A = +25 N C ( Figure 4 ), unless otherwise noted.)
PWM MODE LOAD-TRANSIENT
RESPONSE (1.8V/400kHz)
MAX16909 toc07
V IN = 14V
SKIP-MODE LOAD-TRANSIENT
RESPONSE (1.8V/400kHz)
MAX16909 toc08
V IN = 14V
V OUT
AC-COUPLED
200mV/div
V OUT
AC-COUPLED
50mV/div
1A/div
I LOAD
I LOAD
10mA/div
0.5A
100μs/div
FSYNC TRANSITION FROM INTERNAL
TO EXTERNAL FREQUENCY (1.8V/400kHz)
MAX16909 toc09
f FSYNC = 440kHz
0A
V SUPSW
100μs/div
UNDERVOLTAGE PULSE (1.8V/400kHz)
MAX16909 toc10
0A
5V/div
V FSNC
V LX
5V/div
0V
10V/div
0V
V OUT
V LX
SUP = 5V
RESISITIVE LOAD = 0.6 I
0V
2V/div
0V
20V/div
0V
2μs/div
LOAD DUMP TEST (1.8V/400kHz)
MAX16909 toc11
42V
I LOAD
20ms/div
OUTPUT RESPONSE TO SLOW INPUT
(ILOAD = 3A)
MAX16909 toc12
5A/div
0A
V IN
V IN
1.8V/400kHz
0.6 I RESISTIVE LOAD
10V/div
0V
Maxim Integrated
V OUT
14V
10ms/div
10V/div
0V
2V/div
0V
V OUT
V LX
V PGOOD
2s/div
2V/div
0V
10V/div
0V
5V/div
0V
6
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