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參數(shù)資料
| 型號： | MAX1742-MAX1842 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | Replaced by TMS320C6410 : Digital Signal Processor 40-PDIP 0 to 0 |
| 中文描述： | 1A/2.7A的1MHz，降壓型同步整流和內(nèi)部開關(guān)穩(wěn)壓器 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 597K |
| 代理商： | MAX1742-MAX1842 |
M
1A/2.7A, 1MHz, Step-Down Regulators with
Synchronous Rectification and Internal Switches
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS
(V
IN
= V
CC
= 3.3V, FBSEL = GND,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted. Typical values are at T
A
= +25
°
C.) (Note 3)
Note 2:
Recommended operating frequency, not production tested.
Note 3:
Specifications from 0
°
C to -40
°
C are guaranteed by design, not production tested.
PARAMETER
SYMBOL
V
IN
CONDITIONS
MIN
3.0
MAX
5.5
UNITS
V
Input Voltage
V
IN
= 3V to 5.5V,
FBSEL = V
CC
FBSEL = unconnected
FBSEL = REF
FBSEL = GND
2.475
2.575
1.485
1.782
1.078
1.545
1.854
1.122
Preset Output Voltage
V
OUT
I
LOAD
= 0 to 1A
for MAX1742,
I
LOAD
= 0 to 2.5A
for MAX1842,
V
FB
= V
OUT
V
Adjustable Output Voltage
Range
Reference Voltage
PMOS Switch
On-Resistance
NMOS Switch
On-Resistance
V
IN
= V
CC
= 3V to 5.5V, I
LOAD
= 0,
FBSEL = GND
V
REF
V
IN
V
V
REF
1.078
1.2
2.9
0.05
0.2
1.122
200
250
150
200
1.8
4.3
0.55
1.0
600
300
1.15
V
V
IN
= 4.5V
V
IN
= 3V
V
IN
= 4.5V
V
IN
= 3V
R
ON, P
I
LX
= 0.5A
R
ON, N
I
LX
= 0.5A
m
MAX1742
MAX1842
MAX1742
MAX1842
V
FB
= 1.2V
V
FB
= 1.2V
R
TOFF
= 110k
Current-Limit Threshold
I
LIMIT
Idle Mode Current Threshold
I
IM
A
No-Load Supply Current
FB Input Bias Current
Off-Time Default Period
I
IN
+ I
CC
I
FB
t
OFF
μA
nA
μs
0
0.85
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參數(shù)描述 |
|---|---|
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| MAX17435ETG+ | 功能描述:電池管理 High f SMBus Battery Charger RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| MAX17435ETG+T | 功能描述:電池管理 High f SMBus Battery Charger RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| MAX17435EVKIT+ | 功能描述:電池管理 High Frequency SMBus Battery Charger RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| MAX1744AUB | 功能描述:DC/DC 開關(guān)控制器 Step-Down DC/DC Controller 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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