参数资料
型号: MAX5073ETI+
厂商: Maxim Integrated Products
文件页数: 5/25页
文件大小: 0K
描述: IC REG BUCK BST ADJ 1A/2A 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
类型: 降压(降压),升压(升压)
输出类型: 可调式
输出数: 2
输出电压: 0.8 V ~ 28 V
输入电压: 4.5 V ~ 23 V
PWM 型: 电压模式
频率 - 开关: 200kHz ~ 2.2MHz
电流 - 输出: 1A,2A
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: 28-WFQFN 裸露焊盘
包装: 管件
供应商设备封装: 28-TQFN-EP(5x5)
2.2MHz, Dual-Output Buck or Boost Converter
with Internal Power MOSFETs
Typical Operating Characteristics
(V+ = VL = 5.2V, T A = +25°C, unless otherwise noted.)
100
OUTPUT1 EFFICIENCY (BUCK CONVERTER)
vs. LOAD CURRENT
100
OUTPUT2 EFFICIENCY (BUCK CONVERTER)
vs. LOAD CURRENT
OUTPUT2 EFFICIENCY (BOOST CONVERTER)
vs. LOAD CURRENT
100
90
80
V IN = 5V
90
80
V IN = 5V
90
80
V IN = 5V
70
70
70
60
V IN = 12.0V
60
60
V IN = 3.3V
50
40
30
V IN = 16.0V
50
40
30
V IN = 16.0V
V IN = 12.0V
50
40
30
20
10
V OUT = 3.3V
f SW = 2.2MHz
20
10
V OUT = 2.5V
f SW = 2.2MHz
20
10
V OUT = 12V
f SW = 2.2MHz
0
0
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9 1.0
0.02
0.08
0.14
0.20
3.40
3.35
3.30
LOAD (A)
OUTPUT1 VOLTAGE (BUCK CONVERTER)
vs. LOAD CURRENT
2.60
2.55
LOAD (A)
OUTPUT2 VOLTAGE (BUCK CONVERTER)
vs. LOAD CURRENT
5.50
5.45
5.40
5.35
5.30
5.25
5.20
LOAD (A)
VL OUTPUT VOLTAGE
vs. CONVERTER SWITCHING FREQUENCY
BOTH CONVERTERS SWITCHING
V IN = 23V
3.25
2.50
5.15
5.10
V IN = 5.5V
5.05
3.20
2.45
5.00
0
0.5
1.0
1.5
2.0
0
0.25
0.50
0.75
1.00
0.1
0.6
1.1
1.6
2.1
2.6
LOAD (A)
VL DROPOUT VOLTAGE vs. EACH CONVERTER
SWITCHING FREQUENCY
0.35
LOAD (A)
EACH CONVERTER SWITCHING FREQUENCY
vs. R OSC
10
SWITCHING FREQUENCY (f SW ) (MHz)
EACH CONVERTER SWITCHING FREQUENCY
vs. TEMPERATURE
10
0.30
0.25
V IN = 5.5V
2.2MHz
0.20
V IN = 5V
1
1
1.25MHz
0.15
0.6MHz
0.10
0.05
0
V IN = 4.5V
0.1
0.1
0.3MHz
0
0.5
1.0
1.5
2.0
2.5
0
20
40
60
80
-50
0
50
100
150
SWITCHING FREQUENCY (f SW ) (MHz)
R OSC (k ? )
TEMPERATURE ( ° C)
_______________________________________________________________________________________
5
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