參數(shù)資料
型號： MAX1854EEG
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： High-Speed, Adjustable, Synchronous Step-Down Controllers with Integrated Voltage Positioning
中文描述： SWITCHING CONTROLLER, 550 kHz SWITCHING FREQ-MAX, PDSO24
封裝： 0.150 INCH, 0.025 INCH PITCH, QSOP-24
文件頁數(shù)： 4/33頁
文件大小： 840K
代理商： MAX1854EEG
M
High-Speed, Adjustable, Synchronous Step-Down
Controllers with Integrated Voltage Positioning
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = +15V, V
CC
= V
DD
= 5V,
SKIP
= V
CC
, VPS = PGND,
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
VGATE Lower Trip Threshold
Measured at FB with respect to unloaded
output voltage, falling edge
-12.5
-10
-7.5
%
VGATE Upper Trip Threshold
Measured at FB with respect to unloaded
output voltage, rising edge
7.5
10
12.5
%
VGATE Propagation Delay
Falling edge, FB forced 2% below or above
VGATE trip threshold
1.5
μ
s
VGATE Output Low Voltage
VGATE Leakage Current
GATE DRIVERS
DH Gate Driver On-Resistance
I
SINK
= 1mA
High state, forced to 5.5V
0.4
1
V
μ
A
R
ON D H
V
BST
- V
LX
forced to 5V
High state (pullup)
Low state (pulldown)
1.3
1.5
0.5
5
5
DL Gate Driver On-Resistance
R
ON(DL)
1.7
DH Gate Driver Source/Sink
Current
I
DH
DH forced to 2.5V, V
BST
- V
LX
forced to 5V
1
A
DL Gate Drive Sink Current
DL Gate Driver Source Current
I
DL
I
DL
DL forced to 5V
DL forced to 2.5V
DL rising
DH rising
3
1
35
26
A
A
Dead-Time
ns
LOGIC AND I/O
Logic Input High Voltage
Logic Input Low Voltage
V
IH
V
IL
D0
D4,
SHDN
,
SKIP
D0
D4,
SHDN
,
SKIP
TON = V
CC
(200kHz operation)
TON = open (300kHz operation)
TON = REF (400kHz operation)
TON = GND (550kHz operation)
TON = GND or V
CC
SHDN
,
SKIP
= GND or V
CC
D0
D4 = GND
T
A
= +25
°
C
2.4
V
V
0.8
V
CC
- 0.4
3.15
1.65
3.85
2.35
0.5
3
1
10
-0.1
TON Input Levels
V
-3
-1
3
-1.5
Logic Input Current
μ
A
D0
D4 Pullup Current
SKIP
No-Fault Mode Current
5
μ
A
mA
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1854EEG/GG8 功能描述:DC/DC 開關(guān)控制器 High-Speed Adjustable Synchronous Step-Down Controllers with Integrated Voltage Positioning RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)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(fēng)格: 封裝 / 箱體:CPAK
MAX1854EEG+ 制造商:Maxim Integrated Products 功能描述:HIGH-SPEED,DIGITALLY ADJUSTABLE SYNCHRONOUS STEPDOWN CONTROL - Rail/Tube
MAX1854EEG+T 制造商: 功能描述: 制造商:undefined 功能描述:
MAX1854EEGT 制造商: 功能描述:
MAX1854EEG-T 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)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(fēng)格: 封裝 / 箱體:CPAK
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