参数资料
型号: MAX1801EKA+T
厂商: Maxim Integrated Products
文件页数: 4/16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 = -40 ° C to +85 ° C , unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ERROR AMPLIFIER
FB Regulation Voltage
1.238
1.263
V
FB to COMP Transconductance
FB Input Leakage Current
-5 μ A < I COMP < 5 μ A
V FB = 1.35V
70
160
100
μ S
nA
DRIVER
DL Driver Resistance
5
?
Note 1: All devices are 100% tested at T A = +25 ° C. All limits over the temperature range are guaranteed by design.
Note 2: Oscillator signal is generated by the MAX1800 or MAX1802.
Typical Operating Characteristics
(Circuit of Figure 1, T A = +25 ° C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
EFFICIENCY vs. LOAD CURRENT
EFFICIENCY vs. LOAD CURRENT
100
90
V BATT = +1.5V
V OUT = +7V
100
90
V BATT = +2.4V
V OUT = +7V
100
90
V BATT = +3.6V
V OUT = +7V
80
70
80
70
80
70
60
50
V OUT = +18V V
OUT = +12V
60
50
V OUT = +18V
V OUT = +12V
60
50
V OUT = +18V
V OUT = +12V
40
30
20
10
0
40
30
20
10
0
40
30
20
10
0
1
10
100
1000
1
10
100
1000
1
10
100
1000
LOAD CURRENT (mA)
LOAD CURRENT (mA)
LOAD CURRENT (mA)
4
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