参数资料
型号: MAX1775EEE-T
厂商: Maxim Integrated Products
文件页数: 6/16页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 16-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
PWM 型: 控制器
输出数: 2
频率 - 最大: 1.25MHz
占空比: 100%
电源电压: 2.7 V ~ 28 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
包装: 带卷 (TR)
Dual-Output Step-Down
DC-DC Converter for PDA/Palmtop Computers
ELECTRICAL CHARACTERISTICS (continued)
(V IN = +12V, V MAIN = V INC = V CS- = V CS+ = +3.3V, V CORE = +1.8V, Circuit of Figure 4, T A -40°C to +85°C, unless otherwise noted.)
(Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNITS
LOGIC INPUTS
SHDNM , SHDNC Input Low
Voltage
SHDNM , SHDNC Input High
Voltage
2.0
0.4
V
V
SHDNM , SHDNC Input Low
Current
SHDNC Input High Current
SHDNM Input High Current
SHDNM = SHDNC = GND
V SHDNC = +5.5V
V SHDNM = +28V
-1
1
5
30
μA
μA
μA
Note 1: This parameter is guaranteed based on the LXC P-channel current limit and the LXC N-channel valley current.
Note 2: Specifications to -40°C are guaranteed by design and not production tested.
Typical Operating Characteristics
(Circuit of Figure 1, V MAIN = +3.3V, V CORE = +1.8V, T A = +25°C, unless otherwise noted.)
MAIN OUTPUT EFFICIENCY vs. LOAD
CORE OUTPUT EFFICIENCY vs. LOAD
V REF ACCURACY vs. TEMPERATURE
100
90
V IN = +3.3V
100
90
V INC = +2.7V
2.0
1.5
V IN = +12V IN
80
70
60
V IN = +5V
V = +15V V IN = +18V
80
70
60
V INC = +3.3V
V INC = +5V
1.0
0.5
50
40
30
20
10
0
50
40
30
20
10
0
0
-0.5
-1.0
-1.5
-2.0
1
10
100
1000
10,000
1
10
100
1000
-40
-15
10
35
60
85
LOAD (mA)
LOAD (mA)
TEMPERATURE (°C)
6
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