参数资料
型号: MAX1817EUB+
厂商: Maxim Integrated Products
文件页数: 4/12页
文件大小: 0K
描述: IC REG BOOST 125MA DL 10UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
类型: 升压(升压)
输出类型: 两者兼有
输出数: 2
输出电压: 3.3V 或可调主电源,-28 V ~ 28 V 或可调副电源
输入电压: 1.5 V ~ 5.5 V
频率 - 开关: 500kHz
电流 - 输出: 125mA
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: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
包装: 管件
供应商设备封装: 10-µMAX
Compact, High-Efficiency, Dual-Output
Step-Up DC-DC Converter
ELECTRICAL CHARACTERISTICS (continued)
(V ON = V ONLCD = V OUT = +3.3V, FB = GND, T A = -40 ° C to +85 ° C , unless otherwise noted.) (Note 1)
PARAMETER
FB Dual Mode Threshold
Output Voltage Adjustment Range
Maximum LX On-Time
Zero Crossing Comparator
Threshold (V LX - V OUT )
Zero Crossing Comparator
Backup Timer
V FB = 0.5V
V FB = 0.5V
CONDITIONS
MIN
45
2.5
2.4
0
22
MAX
105
5.5
7.5
40
70
UNITS
mV
V
μs
mV
μs
LX On-Resistance
LX Current Limit
LX Leakage Current
ON Input Low Voltage
V OUT = 3.3V, I LX = 100mA
V ON = GND, V LX = 5.5V
1.8V < V OUT < 5.5V, V FB = 0.5V
0.42
0.65
1.05
1
400
?
A
μA
mV
ON Input High Voltage
ON Input Bias Current
1.8V < V OUT < 5.5V, V FB = 0.5V
1.6
1
V
μA
LCD OUTPUT
LXLCD Voltage
28
V
LXLCD On-Resistance
LXLCD Current Limit
LXLCD Leakage Current
FBLCD Regulation Voltage
FBLCD Input Bias Current
Maximum LXLCD On-Time
V OUT = 3.3V, I LXLCD = 100mA
V LXLCD = 28V, V ONLCD = 0
V FBLCD = 1.35V
0.25
1.20
4
2
0.7
1
1.30
70
14
?
A
μA
V
nA
μs
Minimum LXLCD Off-Time
V FBLCD ≥ 1.2V
V FBLCD ≤ 0.7V
0.5
2.2
1.5
7.5
μs
ONLCD Input Low Voltage
ONLCD Input High Voltage
ONLCD Input Bias Current
2.5V < V OUT < 5.5V
2.5V < V OUT < 5.5V
1.6
400
1
mV
V
μA
Note 1: Specifications to -40 ° C are guaranteed by design and not production tested.
4
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