參數(shù)資料
型號： MAX1715
廠商： Maxim Integrated Products, Inc.
英文描述： Ultra-High Efficiency, Dual Step-Down Controller for Notebook Computers
中文描述： 超高效率、雙路降壓型控制器，用于筆記本電腦
文件頁數(shù)： 5/28頁
文件大小： 308K
代理商： MAX1715
M
Ultra-High Efficiency, Dual Step-Down
Controller for Notebook Computers
_______________________________________________________________________________________
5
60
0.01
10
1
0.1
LOAD CURRENT (A)
90
100
80
70
M
E
EFFICIENCY vs. LOAD CURRENT
(1.8V, 4A COMPONENTS, SKIP = GND)
V+ = +7V
V+ = +12V
V+ = +20V
0
0.01
10
1
0.1
LOAD CURRENT (A)
60
80
100
40
20
M
E
EFFICIENCY vs. LOAD CURRENT
(1.8V, 4A COMPONENTS, SKIP = V
CC
)
V+ = +7V
V+ = +20V
V+ = +12V
60
0.01
10
1
0.1
LOAD CURRENT (A)
90
100
80
70
M
E
EFFICIENCY vs. LOAD CURRENT
(2.5V, 4A COMPONENTS, SKIP = GND)
V+ = +7V
V+ = +20V
V+ = +12V
Note 1:
Specifications to -40°C are guaranteed by design, and not production tested.
Note 2:
When the inductor is in continuous conduction, the output voltage will have a DC regulation higher than the trip level by
50% of the ripple. In discontinuous conduction (
SKIP
= AGND, light load) the output voltage will have DC regulation
higher than the trip level by approximately 1.5% due to slope compensation.
Note 3:
On-time and off-time specifications are measured from the 50% point at the DH pin with LX = PGND, V
BST
= 5V. Actual
in-circuit times may differ due to MOSFET switching speeds.
__________________________________________Typical Operating Characteristics
(Circuit of Figure 1, components from Table 1, V
IN
= +15V,
SKIP
= AGND, TON = unconnected, T
A
= +25°C, unless otherwise noted.)
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, 4A components from Table 1, V
CC =
V
DD
= +5V,
SKIP
= AGND, V+ = 15V,
T
A
= -40°C to +85°C
, unless otherwise
noted.) (Note 1)
PARAMETER
CONDITIONS
Quiescent Battery Current (V+)
25
70
μA
Reference Voltage
Reference Load Regulation
Overvoltage Trip Threshold
Output Undervoltage Threshold
1.97
2
2.03
0.01
15
80
V
V
%
%
No external REF load
I
REF
= 0 to 50μA
With respect to error comparator threshold
With respect to error comparator threshold
Quiescent Supply Current
(V
CC
+ V
DD
)
1100
1600
μA
FB1 and FB2 forced above the regulation point
MIN
TYP
MAX
UNITS
10
60
12.5
70
Current-Limit Threshold (positive
direction, fixed)
75
100
125
mV
PGND - LX_, I
LIM
= V
CC
Current-Limit Threshold (positive
direction, adjusted)
32
50
62
mV
PGND - LX_, I
LIM
resistor = 100k
PGND - LX_, I
LIM
resistor = 400k
160
200
240
Thermal Shutdown Threshold
150
°C
Hysteresis = 10°C
Rising edge, hysteresis = 20mV, PWM disabled below
this level
4.1
4.4
V
V
CC
Undervoltage Lockout
Threshold
Logic Input High Voltage
Logic Input Low Voltage
2.4
V
V
ON_,
SKIP
ON_,
SKIP
0.8
SKIP
, to deactivate OVP circuitry
-5
-1
mA
Logic Input Current
相關PDF資料
PDF描述
MAX1715EEI Ultra-High Efficiency, Dual Step-Down Controller for Notebook Computers
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相關代理商/技術參數(shù)
參數(shù)描述
MAX1715EEI 功能描述:DC/DC 開關控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
MAX1715EEI+ 功能描述:DC/DC 開關控制器 Dual Step-Down Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
MAX1715EEI+T 功能描述:DC/DC 開關控制器 Dual Step-Down Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
MAX1715EEI-T 功能描述:DC/DC 開關控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
MAX1715EVKIT 功能描述:DC/DC 開關控制器 Evaluation Kit for the MAX1715 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
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