参数资料
型号: MAX8756ETI+T
厂商: Maxim Integrated Products
文件页数: 5/30页
文件大小: 0K
描述: IC CNTRL DUAL PS 28-TQFN
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,笔记本电脑电源系统
输入电压: 4 V ~ 26 V
输出数: 2
输出电压: 1.5V,1.8V,1 V ~ 2.3 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(4x4)
包装: 带卷 (TR)
Interleaved High-Efficiency, Dual Power-Supply
Controllers for Notebook Computers
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V IN = 12V, FSEL = REF, SKIP_ = 0, V ON_ = V ILIM_ = V CC = V DD = 5V , 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
INPUTS AND OUTPUTS
Logic Input Current
ON1, ON2
-1
+1
μA
ON_ Input Voltage
Tri-Level Input Logic
Rising edge, hysteresis = 225mV
SKIP1 , SKIP2 , FSEL, high
1.2
V CC -
0.2
1.7
2.2
V
V
Input Leakage Current
Input Leakage Current
Input Leakage Current
Input Bias Current
SKIP1 , SKIP2 , FSEL, 0V, or V CC
ILIM1, ILIM2, 0V, or V CC
CSH_, 0V, or V DD
CSL_, 0V, or V DD
-3
-0.1
-0.1
25
+3
+0.1
+0.1
50
μA
μA
μA
μA
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V IN = 12V, FSEL = REF, SKIP_ = 0, V ON_ = V ILIM_ = V CC = V DD = 5V, T A = -40°C to +85°C, unless otherwise
noted.) (Note 6)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT SUPPLIES
Input Voltage Range
Quiescent Supply Current (V CC )
V IN
V BIAS
I CC
V CC , V DD
CSL_ and FB_
forced above their
MAX8716, MAX8717,
MAX8757
4.5
26
5.5
1.3
V
mA
regulation points
MAX8756
1.8
Quiescent Supply Current (V DD )
Shutdown Supply Current (V CC )
Shutdown Supply Current (V DD )
I DD
CSL_ and FB_ forced above their regulation
points
ON1 = ON2 = GND
ON1 = ON2 = GND
5
5
5
μA
μA
μA
MAIN SMPS CONTROLLERS
PWM1 Output Voltage in
Fixed Mode
PWM2 Output Voltage in
Fixed Mode
V OUT1
V OUT2
V IN = 6V to 26V,
SKIP1 = V CC ,
zero to full load
V IN = 6V to 26V,
SKIP2 = V CC ,
zero to full load
MAX8716, MAX8717,
MAX8757
MAX8756
MAX8716, MAX8717,
MAX8757
MAX8756
3.255
1.480
4.925
1.773
3.375
1.534
5.105
1.838
V
V
Feedback Voltage in
Adjustable Mode
V FB_
V IN = 6V to 26V, FB1 or FB2,
duty factor = 20% to 80% (Note 1)
0.987
1.023
V
Output Voltage Adjust Range
Either SMPS
MAX8716, MAX8717,
MAX8757
1.0
5.5
V
MAX8756
1.0
2.3
FB1, FB2 Fixed-Mode
Threshold Voltage
Dual Mode comparator
1.9
2.1
V
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5
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