参数资料
型号: MAX15020ATP+T
厂商: Maxim Integrated Products
文件页数: 5/18页
文件大小: 0K
描述: IC REG BUCK ADJ 2A 20TQFN
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: 0.5 V ~ 36 V
输入电压: 7.5 V ~ 40 V
PWM 型: 电压模式
频率 - 开关: 300kHz ~ 500kHz
电流 - 输出: 2A
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: 20-WQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 20-TQFN-EP(5x5)
2A, 40V Step-Down DC-DC Converter with
Dynamic Output-Voltage Programming
Typical Operating Characteristics (continued)
(V IN = 36V, Circuit of Figure 2, T A = +25°C, unless otherwise noted.)
TURN-ON/TURN-OFF WAVEFORM
MAX15020 toc09
TURN-ON/TURN-OFF WAVEFORM
MAX15020 toc10
1.05
REFOUT VOLTAGE vs. TEMPERATURE
V ON/OFF
5V/div
0V
V ON/OFF
5V/div
0V
1.03
1.01
V OUT
V IN = 12V, R LOAD = 27Ω
1V/div
0V
V OUT
V IN = 40V, R LOAD = 27Ω
1V/div
0V
0.99
0.97
0.95
10ms/div
10ms/div
-40
-15
10
35
60
85
110
135
TEMPERATURE ( ° C)
100
EFFICIENCY vs. LOAD CURRENT
100
EFFICIENCY vs. LOAD CURRENT
90
80
70
60
50
40
30
V IN = 7.5V
V IN = 12V
V IN = 24V
90
80
70
60
50
40
30
20
20
f S = 500kHz
10
0
V IN = 40V
f S = 500kHz
V OUT = 3.3V
10
0
V IN = 40V
V OUT = 30V
0.01
0.1
1
10
0.01
0.1
1
10
OUTPUT CURRENT (A)
LOAD TRANSIENT
MAX15020 toc14
OUTPUT CURRENT (A)
LOAD TRANSIENT
MAX15020 toc15
V OUT
50mV/div
AC-COUPLED
I OUT
50mV/div
AC-COUPLED
2A
I OUT
1A
V OUT
1.2A
0.2A
V IN = 12V, V OUT = 3.3V
200 μ s/div
V IN = 12V, V OUT = 3.3V
200 μ s/div
_______________________________________________________________________________________
5
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