參數(shù)資料
型號： MAX1714AEEP
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： High-Speed Step-Down Controller for Notebook Computers
中文描述： SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO20
封裝： 0.150 INCH, 0.025 INCH PITCH, MO-137AB, QSOP-20
文件頁數(shù)： 3/24頁
文件大?。?/td> 443K
代理商： MAX1714AEEP
M
High-Speed Step-Down Controller
for Notebook Computers
_______________________________________________________________________________________
3
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)
CONDITIONS
PARAMETER
Overvoltage Trip Threshold
With respect to error comparator threshold (MAX1714A only)
UNITS
%
MIN
10.5
TYP
12.5
MAX
14.5
PGND - LX
PGND - LX, I
LIM
= V
CC
From
SHDN
signal going high
mV
40
170
50
200
60
230
Current-Limit Threshold
(Positive Direction, Adjustable)
mV
90
100
110
Current-Limit Threshold
(Positive Direction, Fixed)
ms
10
30
Output Undervoltage Protection
Blanking Time
%
65
70
75
Output Undervoltage Protection
Threshold
PGND - LX,
SKIP
= V
CC
, T
A
= +25°C,
with respect to positive current-limit threshold
%
-90
-120
-140
Current-Limit Threshold
(Negative Direction)
V
ILIM
= 0.5V
V
ILIM
= 2.0V
Rising edge, hysteresis = 20mV,
PWM disabled below this level
V
4.1
4.4
V
CC
Undervoltage Lockout
Threshold
BST - LX forced to 5V
1.5
5
DH Gate-Driver On-Resistance
DL, high state
1.5
5
DL Gate-Driver On-Resistance
(Pull-Up)
DL, low state
0.5
1.7
DL Gate-Driver On-Resistance
(Pull-Down)
DH forced to 2.5V, BST - LX forced to 5V
A
1
DH Gate-Driver Source/Sink
Current
DL forced to 2.5V
DL forced to 2.5V
DL rising
DH rising
A
A
1
3
35
26
DL Gate-Driver Source Current
DL Gate-Driver Sink Current
FB forced 2% above trip threshold (MAX1714A only)
μs
1.5
Overvoltage Fault Propagation
Delay
FB forced 2% below PGOOD trip threshold, falling edge
I
SINK
= 1mA
High state, forced to 5.5V
Hysteresis = 10°C
μs
V
μA
°C
1.5
PGOOD Propagation Delay
PGOOD Output Low Voltage
PGOOD Leakage Current
Thermal Shutdown Threshold
PGND - LX,
SKIP
= AGND
mV
3
Current-Limit Threshold
(Zero Crossing)
0.4
1
150
With respect to error comparator threshold
ns
Dead Time
mA
SKIP
Input Current Logic
Threshold
To disable overvoltage and undervoltage fault detection,
T
A
= +25°C
-1.5
-0.1
%
PGOOD Trip Threshold
Measured at FB with respect to error comparator
threshold, falling edge
-8
-6
-4
V
V
Logic Input High Voltage
Logic Input Low Voltage
Logic Input Current
ILIM Input Current
SHDN
,
SKIP
SHDN
,
SKIP
SHDN
,
SKIP
SHDN
,
SKIP
2.4
0.8
1
μA
nA
-1
±10
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相關代理商/技術參數(shù)
參數(shù)描述
MAX1714AEEP+ 功能描述:電流型 PWM 控制器 Step-Down Controller for Notebook RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14
MAX1714AEEP+T 功能描述:電流型 PWM 控制器 Step-Down Controller for Notebook RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14
MAX1714AEEP-T 功能描述:電流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14
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:電流型 PWM 控制器 Evaluation Kit for the MAX1714A RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14
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