参数资料
型号: MAX1801EKA+T
厂商: Maxim Integrated Products
文件页数: 3/16页
文件大小: 0K
描述: IC CNTRLR DC-DC SOT23-8
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 控制器,数字式相机
输入电压: 2.7 V ~ 5.5 V
输出数: 1
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SOT-23-8
供应商设备封装: SOT-23-8
包装: 带卷 (TR)
Digital Camera Step-Up Slave
DC-DC Controller
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V IN = +3.3V, V DCON = +1.25V, V REF = +1.25V, T A = 0 ° C to +85 ° C , unless otherwise noted. Typical values are at
T A = +25 ° C.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DRIVER
DL Driver Resistance
DL Drive Current
2.5
0.5
5
?
A
SOFT-START
Soft-Start Interval
SHORT-CIRCUIT PROTECTION
Fault Interval
1024
1024
OSC
cycles
OSC
cycles
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V IN = +3.3V, V DCON = +1.25V, V REF = +1.25V, T A = -40 ° C to +85 ° C , unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
V IN Supply Voltage Operating Range
2.7
5.5
V
V IN Undervoltage Lockout Threshold
REF Input Range
REF Undervoltage Lockout Threshold
Shutdown Supply Current
Sleep-Mode Supply Current
Quiescent Supply Current
V IN rising
V REF rising
V IN = 5.5V, V DCON = 0, V REF = 0
V IN = 3.3V, V DCON = 0, V REF = 1.25V
V OSC = 0, V FB = 0
2.15
1.19
0.85
2.55
1.31
1.15
1
10
300
V
V
V
μ A
μ A
μ A
OSCILLATOR INPUT
OSC Input Leakage Current
Oscillator Frequency Range
OSC Clock Low Trip Level
V OSC = 1.5V
100
0.20
1
1000
0.30
μ A
kHz
V
OSC Clock High Trip Level
Maximum Duty Cycle Adjustment Range
(Note 2)
V DCON = 0.625V
f OSC = 100kHz
1.00
0.575
40
1.10
0.675
90
V
%
INPUTS/OUTPUTS
DCON Input Leakage Current
V DCON = 5.5V
100
nA
DCON Input Sleep-Mode Threshold
I IN ≤ 10 μ A
0.35
0.45
V
V DCON = 0
1.1
REF Input Current
V DCON = V REF
V DCON = V REF , during soft-start
10
30
μ A
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3
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