参数资料
型号: MAX5072ETJ+T
厂商: Maxim Integrated Products
文件页数: 6/27页
文件大小: 0K
描述: IC REG BUCK BST ADJ 1A/2A 32TQFN
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),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: 32-WFQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 32-TQFN-EP(5x5)
2.2MHz, Dual-Output Buck or Boost
Converter with POR and Power-Fail Output
Typical Operating Characteristics
(V+ = VL = 5.2V, T A = +25°C, unless otherwise noted.)
OUTPUT1 EFFICIENCY (BUCK CONVERTER)
vs. LOAD CURRENT
OUTPUT2 EFFICIENCY (BUCK CONVERTER)
vs. LOAD CURRENT
OUTPUT2 EFFICIENCY (BOOST CONVERTER)
vs. LOAD CURRENT
100
90
V IN = 5V
100
90
V IN = 5V
100
90
V IN = 5.0V
80
70
80
70
80
70
60
V IN = 12.0V
60
60
V IN = 3.3V
50
40
30
20
V IN = 16.0V
50
40
30
20
V IN = 16.0V
V IN = 12.0V
50
40
30
20
10
V OUT = 3.3V
f SW = 2.2MHz
10
V OUT = 2.5V
f SW = 2.2MHz
10
V OUT = 12V
f SW = 2.2MHz
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
0
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
0.02
0.08
0.14
0.20
LOAD (A)
OUTPUT1 VOLTAGE (BUCK CONVERTER)
vs. LOAD CURRENT
LOAD (A)
OUTPUT2 VOLTAGE (BUCK CONVERTER)
vs. LOAD CURRENT
LOAD (A)
VL OUTPUT VOLTAGE vs. CONVERTER
SWITCHING FREQUENCY
3.40
2.60
5.50
5.45
B OTH  CONVERTERS SWITCHING
5.40
3.35
2.55
5.35
5.30
3.30
3.25
2.50
5.25
5.20
5.15
5.10
5.05
V IN = 23V
V IN = 5.5V
3.20
0
0.5
1.0
1.5
2.0
2.45
0
0.25
0.50
0.75
1.00
5.00
0.1
0.6
1.1
1.6
2.1
2.6
LOAD (A)
VL DROPOUT VOLTAGE vs. EACH CONVERTER
SWITCHING FREQUENCY
0.35
10
LOAD (A)
EACH CONVERTER SWITCHING
FREQUENCY vs. R OSC
10.00
SWITCHING FREQUENCY (f SW )(MHz)
EACH CONVERTER SWITCHING
FREQUENCY vs. TEMPERATURE
0.30
0.25
V IN = 5.5V
2.2MHz
0.20
V IN = 5V
1.25MHz
0.15
0.10
0.05
V IN = 4.5V
1
1.00
0.6MHz
0.3MHz
0
0.1
0.10
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)
6
_______________________________________________________________________________________
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