参数资料
型号: MAX618EEE+
厂商: Maxim Integrated Products
文件页数: 3/14页
文件大小: 0K
描述: IC REG BOOST ADJ 0.5A 16QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 可调至 28V
输入电压: 3 V ~ 28 V
PWM 型: 混合物
频率 - 开关: 250kHz
电流 - 输出: 500mA
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: 16-SSOP(0.154",3.90mm 宽)
包装: 管件
供应商设备封装: 16-QSOP
产品目录页面: 1408 (CN2011-ZH PDF)
28V, PWM, Step-Up DC-DC Converter
ELECTRICAL CHARACTERISTICS
(V IN = +6V, PGND = GND, C VL = 4.7μF, T A = -40°C to +85°C , unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage
Supply Current, No Load
Supply Current, Full Load,
VL Connected to IN
Supply Current, Full Load
Supply Current Shutdown
V IN
I IN
I IN
I IN
I IN
V IN = 3V to 28V, V FB = 1.6V, SHDN = VL
V IN = 3V to 5.5, V FB = 1.4V, SHDN = VL = IN
V IN = 3.4V to 28V, V FB = 1.4V, SHDN = VL,
VL < V IN
V IN = 28V, V FB = 1.6V, SHDN = GND
3
28
800
7.5
4
10
V
μA
mA
mA
μA
VL Output Voltage
VL Undervoltage Lockout
FB Set Voltage
LX Voltage Range
LX Switch Current Limit
LX On-Resistance
Switching Frequency
V VL
V VL
V FB
V LXON
I LXON
R LXON
f
V IN = 3.5V or 28V, no load
Rising edge, 1% hysteresis
PWM mode
2.85
2.55
1.455
1.4
188
3.3
2.85
1.545
28
3
0.6
312
V
V
V
V
A
Ω
kHz
Note 2: Specifications to -40°C are guaranteed by design, not production tested.
Typical Operating Characteristics
(Circuit of Figure 1, T A = +25°C.)
EFFICIENCY vs. OUTPUT CURRENT
(V OUT = 12V)
EFFICIENCY vs. OUTPUT CURRENT
(V OUT = 28V)
100
V IN = 8V
100
V IN = 12V
90
80
70
V IN = 3V
V IN = 5V
90
80
70
V IN = 5V
V IN = 3V
60
50
40
30
20
10
0
60
50
40
30
20
10
0
0.1
1 10 100
1000
0.1
1 10 100
1000
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
_______________________________________________________________________________________
3
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