参数资料
型号: MAX16909RATE/V+
厂商: Maxim Integrated Products
文件页数: 5/18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
(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.)
STARTUP INTO HEAVY LOAD
(1.8V/400kHz)
MAX16909 toc01
0.6 I RESISTIVE LOAD
STARTUP INTO NO LOAD
(1.8V/400kHz)
MAX16909 toc02
5V/div
V IN
5V/div
0V
1V/div
V IN
0V
1V/div
V OUT
I LOAD
V PGOOD
100
90
80
2ms/div
EFFICIENCY vs. LOAD CURRENT
V IN = 14V
0V
2A/div
0A
5V/div
0V
V OUT
V PGOOD
100
90
80
2ms/div
EFFICIENCY vs. LOAD CURRENT
V IN = 14V
5V
0V
5V/div
0V
70
60
50
1.8V
3.3V
5V
8V
70
60
50
3.3V
1.8V
40
30
40
30
8V
20
10
DIODE: B360B-13-F FROM DIODES
INDUCTOR: DRA125-150-R,
COOPER BUSSMANN
20
10
D1: B360B-13-F, DIODES
L1: DRA125-150-R,
COOPER BUSSMANN
0
0
0.5
1.0
1.5
2.0
2.5
3.0
0
0
0.0001
0.001
0.01
0.1
LOAD CURRENT (A)
LOAD CURRENT (A)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
SWITCHING FREQUENCY vs. R FOSC
V IN = 14V
400
399
398
397
396
395
394
393
392
391
SWITCHING FREQUENCY vs. I LOAD
(1.8V/400kHz)
V IN = 14V
0
20
30
40
50
60
70
80
90 100 110
390
0
0.5
1.0
1.5
2.0
2.5
3.0
Maxim Integrated
R FOSC (k I )
I LOAD (A)
5
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