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参数资料
| 型号： | MAX1714AEEP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/24页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 20-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 600kHz |
| 占空比： | 100% |
| 电源电压： | 4.5 V ~ 5.5 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 20-SSOP（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
High-Speed Step-Down Controller
for Notebook Computers
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, 4A components from Table 1, V+ = +15V, V CC = V DD = +5V, SKIP = AGND, T A = 0°C to +85°C , unless otherwise
noted.) (Note 1)
PARAMETER
Overvoltage Trip Threshold
Overvoltage Fault Propagation
Delay
Output Undervoltage Protection
Threshold
Output Undervoltage Protection
Blanking Time
Current-Limit Threshold
(Positive Direction, Fixed)
CONDITIONS
With respect to error comparator threshold (MAX1714A only)
FB forced 2% above trip threshold (MAX1714A only)
With respect to error comparator threshold
From SHDN signal going high
PGND - LX, I LIM = V CC
MIN
10.5
65
10
90
TYP
12.5
1.5
70
100
MAX
14.5
75
30
110
UNITS
%
μs
%
ms
mV
Current-Limit Threshold
(Positive Direction, Adjustable)
PGND - LX
V ILIM = 0.5V
V ILIM = 2.0V
40
170
50
200
60
230
mV
Current-Limit Threshold
(Negative Direction)
PGND - LX, SKIP = V CC , T A = +25°C,
with respect to positive current-limit threshold
-90
-120
-140
%
Current-Limit Threshold
(Zero Crossing)
PGOOD Propagation Delay
PGOOD Output Low Voltage
PGOOD Leakage Current
Thermal Shutdown Threshold
PGND - LX, SKIP = AGND
FB forced 2% below PGOOD trip threshold, falling edge
I SINK = 1mA
High state, forced to 5.5V
Hysteresis = 10°C
3
1.5
150
0.4
1
mV
μs
V
μA
°C
V CC Undervoltage Lockout
Threshold
DH Gate-Driver On-Resistance
DL Gate-Driver On-Resistance
(Pull-Up)
DL Gate-Driver On-Resistance
(Pull-Down)
DH Gate-Driver Source/Sink
Current
DL Gate-Driver Source Current
DL Gate-Driver Sink Current
Dead Time
SKIP Input Current Logic
Threshold
Rising edge, hysteresis = 20mV,
PWM disabled below this level
BST - LX forced to 5V
DL, high state
DL, low state
DH forced to 2.5V, BST - LX forced to 5V
DL forced to 2.5V
DL forced to 2.5V
DL rising
DH rising
To disable overvoltage and undervoltage fault detection,
T A = +25°C
4.1
-1.5
1.5
1.5
0.5
1
1
3
35
26
4.4
5
5
1.7
-0.1
V
?
?
?
A
A
A
ns
mA
PGOOD Trip Threshold
Measured at FB with respect to error comparator
threshold, falling edge
-8
-6
-4
%
Logic Input High Voltage
Logic Input Low Voltage
SHDN , SKIP
SHDN , SKIP
2.4
0.8
V
V
Logic Input Current
ILIM Input Current
SHDN , SKIP
SHDN , SKIP
-1
±10
1
μA
nA
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相关代理商/技术参数 |
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|---|---|
| MAX1714AEEP-TG068 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1714AEVKIT | 功能描述:电流型 PWM 控制器 Evaluation Kit for the MAX1714A RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX1714BEEE | 功能描述:电流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX1714BEEE+ | 功能描述:电流型 PWM 控制器 Step-Down Controller for Notebook RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX1714BEEE+T | 功能描述:电流型 PWM 控制器 Step-Down Controller for Notebook RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
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