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| 型号： | MAX8720EEI+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/31页 |
| 文件大小： | 0K |
| 描述： | IC CNTRL VID STP DWN 28-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 应用： | 控制器，CPU GPU |
| 输入电压： | 2 V ~ 28 V |
| 输出数： | 1 |
| 输出电压： | 0.28 V ~ 1.85 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-QSOP |
| 供应商设备封装： | 28-QSOP |
| 包装： | 管件 |
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Dynamically Adjustable 6-Bit VID
Step-Down Controller
ABSOLUTE MAXIMUM RATINGS (Note 1)
V CC to AGND............................................................-0.3V to +6V
V DD to PGND............................................................-0.3V to +6V
AGND to PGND .....................................................-0.3V to +0.3V
V+ to PGND............................................................-0.3V to +30V
SHDN to AGND ......................................................-0.3V to +16V
D0–D5, PGOOD, SUS, SKIP to AGND .....................-0.3V to +6V
FB, FBS, GNDS to AGND ...........................-0.3V to (V CC + 0.3V)
CC, ILIM, REF, TIME to AGND ...................-0.3V to (V CC + 0.3V)
S0, S1, TON to AGND ................................-0.3V to (V CC + 0.3V)
BST to PGND..........................................................-0.3V to +36V
LX to BST..................................................................-6V to +0.3V
DH to LX .....................................................-0.3V to (BST + 0.3V)
DL to PGND................................................-0.3V to (V DD + 0.3V)
REF Short Circuit to AGND.........................................Continuous
Continuous Power Dissipation (T A = +70°C)
28-Pin QSOP (derate 10.8mW/°C above +70°C)........860mW
36-Pin TQFN (derate 26.3mW/°C above +70°C) .....2105mW
Operating Temperature
Extended Temperature Range .......................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +165°C
Lead Temperature (soldering, 10s) .................................+300°C
Note 1: For the MAX8720EEI, AGND and PGND refer to a single pin designated GND.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V+ = 15V, SHDN = SKIP = V DD = V CC = +5V, V OUT = 1.25V, 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
PWM CONTROLLER
Input Voltage Range
Battery voltage, V+
V CC , V DD
DAC codes from
0.9V to 1.85V
2
4.5
-1
28
5.5
+1
V
%
DC Output Voltage Accuracy
V+ = 4.5V to 28V,
includes load
regulation error
DAC codes from
0.45V to 0.875V
-10
+10
mV
DAC codes from
0.275V to 0.425V
-18
+18
Line Regulation Error
Remote-Sense Voltage Error
V CC = 4.5V to 5.5V, V+ = 4.5V to 28V
FB to FBS or AGND to GNDS = 0 to 25mV
5
3
mV
mV
FBS Input Bias Current
GNDS Input Bias Current
FB, FBS
GNDS
-0.2
-1
+0.2
+1
μA
μA
FB Input Resistance
150kHz, R TIME = 120k ?
115
-8
180
265
+8
k ?
TIME Frequency Accuracy
818kHz, R TIME = 22k ?
38kHz, R TIME = 470k ?
V+ = 5V, FB = 1.25V, TON = GND
(1000kHz)
TON = REF
(550kHz)
-12
-12
230
165
260
190
+12
+12
290
215
%
On-Time (Note 2)
t ON
V+ = 12V,
FB = 1.25V
TON = open
(300kHz)
320
355
390
ns
TON = V CC
(200kHz)
465
515
565
2
_______________________________________________________________________________________
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相关代理商/技术参数 |
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|---|---|
| MAX8720EEI+ | 功能描述:DC/DC 开关控制器 Dyn Adj 6-Bit VID Step-Down Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX8720EEI+T | 功能描述:DC/DC 开关控制器 Dyn Adj 6-Bit VID Step-Down Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX8720EEI-T | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX8720ETX | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX8720ETX+ | 功能描述:DC/DC 开关控制器 Dyn Adj 6-Bit VID Step-Down Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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