参数资料
型号: MAX1775EEE-T
厂商: Maxim Integrated Products
文件页数: 4/16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 = 0°C to +85°C, unless otherwise noted.
Typical values are at T A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
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 = +5V
V SHDNM = +28V
-1
2
15
1
5
30
μA
μA
μA
ELECTRICAL CHARACTERISTICS
(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
Input Voltage
Input Quiescent Supply Current
CS- Quiescent Supply Current
Core Regulator Quiescent
Supply Current
IN Shutdown Supply Current
V IN
I IN
I CS-
I INC
V FBM = +1.5V, V FBC = +1.5V,
V SHDNM = V SHDNC = +3.3V
V FBM = +1.5V, V FBC = +1.5V,
V SHDNM = V SHDNC = +3.3V
V FBM = +1.5V, V FBC = +1.5V,
V SHDNM = V SHDNC = +3.3V
SHDNM = SHDNC = GND
2.7
28
30
220
120
30
V
μA
μA
μA
μA
MAIN REGULATOR
Main Output Voltage Adjust
Range
1.25
5.5
V
FBM Regulation Threshold
FBM Input Current
Current-Limit Threshold
Minimum Current-Limit Threshold
Valley Current Threshold
Zero Current Threshold
PDRV, NDRV Gate Drive
Resistance
CS- to CVL Switch Resistance
V FBM
I FBM
V CL
V (CS+ - CS-) = 0 to +60mV, V IN = +2.7V to +28V
V FBM = +1.3V
V CS+ - V CS-
V CS+ - V CS-
V CS+ - V CS-
V CS+ - V CS-
V CS- = +3.3V
I CVL = 50mA
1.21
-0.1
60
6
40
0
1.29
0.1
100
24
60
15
4.4
8
V
μA
mV
mV
mV
mV
?
?
4
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