参数资料
型号: MAX8723ETE+
厂商: Maxim Integrated Products
文件页数: 5/18页
文件大小: 0K
描述: IC REG FOR LCD DISPLAY 16-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 75
应用: 转换器,LCD
输入电压: 6 V ~ 13.2 V
输出数: 1
输出电压: 3.3V,2 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-WQFN 裸露焊盘
供应商设备封装: 16-TQFN-EP(4x4)
包装: 管件
产品目录页面: 1411 (CN2011-ZH PDF)
Low-Cost, Internal-Switch, Step-Down
Regulator for LCD Displays
Typical Operating Characteristics
(Circuit of Figure 1 with 1.5MHz components of Table 1, unless otherwise specified. V IN = V INL = 12V, V OUT = 3.3V, T A = +25°C,
unless otherwise noted.)
90
EFFICIENCY vs. LOAD CURRENT WITHOUT
EXTERNAL SYNCHRONOUS RECTIFIER
90
EFFICIENCY vs. LOAD CURRENT WITHOUT
EXTERNAL SYNCHRONOUS RECTIFIER
90
EFFICIENCY vs. LOAD CURRENT WITHOUT
EXTERNAL SYNCHRONOUS RECTIFIER
80
80
80
SKIP MODE
70
60
50
40
SKIP MODE
70
60
50
40
SKIP MODE
PWM MODE
70
60
50
40
30
20
PWM
30
20
30
20
PWM MODE
10
V IN = 12V
f SW = 1.5MHz
10
V IN = 12V
f SW = 1MHz
10
V IN = 12V
f SW = 500kHz
0
0
0
0.01
0.10
1
10
0.01
0.10
1
10
0.01
0.10
1
10
OUTPUT CURRENT (A)
EFFICIENCY vs. LOAD CURRENT WITHOUT
EXTERNAL SYNCHRONOUS RECTIFIER
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
NORMALIZED LOAD REGULATION
vs. LOAD CURRENT
90
80
70
60
SKIP MODE
0.8
0.6
0.4
0.2
V IN = 12V
f SW = 1.5MHz
50
40
0
30
20
10
0
PWM MODE
V IN = 12V
f SW = 1.5MHz
-0.2
-0.4
-0.6
-0.8
0.01
0.10
1
10
0.01
0.10
1
10
0.2
OUTPUT CURRENT (A)
NORMALIZED LINE REGULATION
vs. INPUT VOLTAGE
10
LOAD CURRENT (A)
INL SUPPLY CURRENT
vs. INL VOLTAGE
0.1
9
0
-0.1
-0.2
-0.3
-0.4
-0.5
8
7
6
2A LOAD
NO LOAD
-0.6
PWM MODE
f SW = 1.5MHz
5
1A LOAD
PWM MODE
f SW = 1.5MHz
-0.7
4
6
8
10
12
14
6
8
10
12
14
INPUT VOLTAGE (A)
INPUT VOLTAGE (V)
_______________________________________________________________________________________
5
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