参数资料
| 型号： | MAX8717ETI+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/30页 |
| 文件大小： | 0K |
| 描述： | IC CNTRLR PWR SUP 28-TQFN |
| 标准包装： | 60 |
| 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： | 3.3V，5V，1 V ~ 5.5 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（5x5） |
| 包装： | 管件 |
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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
FB1, FB2 Fixed-Mode Threshold
Voltage
Feedback Input Leakage Current
SYMBOL
CONDITIONS
Dual Mode comparator
FB1 = 1.1V, FB2 = 1.1V
MIN
1.9
-0.1
TYP
MAX
2.1
+0.1
UNITS
V
μA
DC Load Regulation
Line-Regulation Error
Either SMPS, SKIP_ = V CC , zero to full load
Either SMPS, 4V < V IN < 26V
-0.1
0.03
%
%/V
FB_ Input Bias Current
I FB_
V FB_ = 0 to 5.5V
FSEL = GND
MAX8716, MAX8717,
MAX8757
MAX8756
-0.1
170
215
200
250
+0.1
230
285
μA
Operating Frequency
f OSC
FSEL = REF (Note 3)
FSEL = V CC
MAX8716, MAX8717,
MAX8757
270
425
300
500
330
575
kHz
FSEL = GND
MAX8756
340
97.5
400
99
460
Maximum Duty Factor
D MAX
FSEL = REF (Note 3)
97.5
99
%
FSEL = V CC
97.5
99
Minimum On-Time
SMPS1 to SMPS2 Phase Shift
Soft-Start Ramp Time
Soft-Stop Ramp Time
t ON(MIN)
t SSTART
t SSTOP
(Note 4)
SMPS2 starts after SMPS1
Measured from the rising edge of ON_ to full
scale, REF = 2V
Measured from the falling edge of ON_ to full
scale
40
144
2
4
200
ns
%
Degrees
ms
ms
CURRENT LIMIT
ILIM_ Adjustment Range
0.5
V REF
V
Current-Limit Threshold (Fixed)
V LIMIT _
V CSH _ - V CSL _, ILIM_ = V CC (Note 3)
45
50
55
mV
Current-Limit Threshold
(Adjustable)
V LIMIT _
V CSH _ - V CSL _
V ILIM _ = 2.00V
V ILIM _ = 1.00V
190
94
200
100
210
106
mV
Current-Limit Threshold
(Negative)
Current-Limit Threshold
(Zero Crossing)
Idle Mode? Threshold
V NEG
V ZX
V IDLE
V CSH _ - V CSL _, SKIP_ = ILIM_ = V CC
(Note 3)
V CSH _ - V CSL _, SKIP_ = V CC , adjustable
mode, percent of current limit
V CSH _ - V CSL _, SKIP_ = GND or REF
ILIM_ = V CC (Note 3)
V CSH _ - V CSL _,
With respect to
SKIP_ = GND
current-limit
-67
6
-60
-120
3
10
20
-53
14
mV
%
mV
mV
%
threshold
Idle Mode is a trademark of Maxim Integrated Products, Inc.
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8717ETI+ | 功能描述:软开关 PWM 控制器 Dual Power-Supply Controller RoHS:否 制造商:Fairchild Semiconductor 输出端数量: 输出电流: 开关频率: 工作电源电压:30 V 电源电流: 最大工作温度:+ 105 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel |
| MAX8717ETI+T | 功能描述:电流和电力监控器、调节器 Dual Power-Supply Controller RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX8717ETI-T | 功能描述:电流和电力监控器、调节器 RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX8717EVKIT | 制造商:Maxim Integrated Products 功能描述:HIGH-EFFICIENCY DUAL POWER-SUPPLY - Rail/Tube |
| MAX8718ETA | 制造商:Maxim Integrated Products 功能描述:HIGH-VOLTAGE LOW-POWER LINEAR REGU - Rail/Tube |
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