参数资料
| 型号： | MAX1801EKA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/16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
ABSOLUTE MAXIMUM RATINGS
IN, DCON, REF, OSC, FB to GND.........................-0.3V to +6.0V
DL, COMP to GND.......................................-0.3V to (V IN + 0.3V)
Continuous Power Dissipation (T A = +70°C)
8-Pin SOT23 (derate 6mW/°C above+70°C)................480mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range. ............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(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
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
2.2
1.19
0.9
2.35
1.25
1.0
0.01
5
124
2.5
1.31
1.1
1
10
300
V
V
V
μ A
μ A
μ A
OSCILLATOR INPUT
OSC Input Leakage Current
Oscillator Frequency Range
V OSC = 1.5V
100
0.04
1
1000
μ A
kHz
OSC Clock Low Trip Level
0.20
0.25
0.30
V
OSC Clock High Trip Level
Maximum Duty Cycle Adjustment Range
(Note 2)
Maximum Duty Cycle (Note 2)
Default Maximum Duty Cycle (Note 2)
V DCON = 0.625V
f OSC = 100kHz
V DCON = 0.625V, f OSC = 100kHz
V DCON = 1.25V, f OSC = 100kHz
1.00
0.575
40
1.05
0.625
50
84
1.10
0.675
90
V
%
%
%
INPUTS/OUTPUTS
DCON Input Leakage Current
V DCON = 5.5V
9
100
nA
DCON Input Sleep-Mode Threshold
I IN ≤ 10 μ A
0.35
0.4
0.45
V
V DCON = 0
0.5
1.1
REF Input Current
V DCON = V REF
V DCON = V REF , during soft-start
3.3
13
10
30
μ A
ERROR AMPLIFIER
FB Regulation Voltage
1.238
1.250
1.263
V
FB to COMP Transconductance
-5 μ A < I COMP < 5 μ A
70
100
160
μ S
FB to COMP Maximum Voltage Gain
2000
V/V
FB Input Leakage Current
V FB = 1.35V
30
100
nA
2
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