参数资料
型号: MAX5083ATE+T
厂商: Maxim Integrated Products
文件页数: 5/18页
文件大小: 0K
描述: IC REG BUCK ADJ 1.5A 16TQFN
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: 1
输出电压: 1.23 V ~ 32 V
输入电压: 7.5 V ~ 40 V
PWM 型: 电压模式
频率 - 开关: 250kHz
电流 - 输出: 1.5A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-WQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 16-TQFN-EP(5x5)
1.5A, 40V, MAXPower Step-Down
DC-DC Converters
Typical Operating Characteristics (continued)
(V IN = 12V, see Figure 5 (MAX5082) and Figure 6 (MAX5083), T A = +25°C, unless otherwise noted.)
MAXIMUM DUTY CYCLE
OUTPUT CURRENT LIMIT
vs. INPUT VOLTAGE (MAX5083)
OPEN-LOOP GAIN/PHASE vs. FREQUENCY
vs. INPUT VOLTAGE
100
98
96
94
100
80
GAIN
MAX5082 toc10
175
150
3.0
2.9
2.8
2.7
MAX5082
T A = +25 ° C
T A = -40 ° C
92
60
125
2.6
90
88
40
100
2.5
2.4
T A = +85 ° C
T A = +135 ° C
86
20
2.3
84
82
80
0
-20
PHASE
75
50
2.2
2.1
2.0
OUTPUT IS
PULSED WITH 3% DUTY CYCLE
0
5
10
15
20
25
30
35
40
0
0.001 0.01 0.1
1
10
100 1000 10,000
0
5
10
15
20
25
30
35
40
INPUT VOLTAGE (V)
TURN-ON/OFF WAVEFORM
MAX5082/3 toc11a
I LOAD = 1A
FREQUENCY (kHz)
INPUT VOLTAGE (V)
TURN-ON/OFF WAVEFORM
MAX5082/3 toc11b
I LOAD = 100mA
V ON/OFF
2V/div
V ON/OFF
2V/div
2ms/div
OUTPUT VOLTAGE vs. TEMPERATURE
V OUT
2V/div
2ms/div
EFFICIENCY vs. LOAD CURRENT
V OUT
2V/div
3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
MAX5082
I LOAD = 0A
I LOAD = 1A
100
90
80
70
60
50
40
30
20
V IN = 4.5V,
V OUT = 3.3V
V IN = 7.5V,
V OUT = 3.3V
V IN = 12V,
V OUT = 3.3V
V IN = 24V,
V OUT = 3.3V
V IN = 40V,
3.20
0
V OUT = 3.3V
MAX5082
-40
-15
10
35
60
85
110
135
0.001
0.01
0.1
1
10
TEMPERATURE ( ° C)
LOAD CURRENT (A)
_______________________________________________________________________________________
5
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