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參數(shù)資料
| 型號(hào)： | MAX1641C |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Adjustable-Output, Switch-Mode Current Sources with Synchronous Rectifier |
| 中文描述： | 可調(diào)輸出，開關(guān)模式同步整流電流源 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 116K |
| 代理商： | MAX1641C |
M
Adjustable-Output, S witc h-Mode
Current S ourc e with S ync hronous Rec tifier
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN to GND...............................................................-0.3V to +28V
LDOH to IN...............................................................+0.3V to -6V
LDOL to GND ...........................................................-0.3V to +6V
PDRV to GND .............................. (V
LDOH
- 0.3V) to (V
IN
+ 0.3V)
NDRV to GND .........................................-0.3V to (V
LDOL
+ 0.3V)
TOFF, REF, SET, TERM, CC to GND ......-0.3V to (V
LDOL
+ 0.3V)
D0, D1 to GND .........................................................-0.3V to +6V
CS+, CS- to GND ...................................................-0.3V to +28V
ELECTRICAL CHARACTERISTICS
(V
IN
= +12V, V
OUT
= 6V, Circuit of Figure 2, T
A
= 0°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Note 1:
This ratio is generated by a 1:8 clock divider and is not an error source for current calculations.
PGND to GND.....................................................................±0.3V
Continuous Power Dissipation (T
A
= +70°C)
QSOP (derate 8.30mW/°C above +70°C)................... 667mW
Operating Temperature Range
MAX164_EEE...................................................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10sec) ............................ +300°C
I
REF
= 0 to 50μA
D0 = D1 = low
D0 = D1 = low (off mode)
D0 or D1 = high
V
OUT
= 2V to 24V
V
IN
= V
OUT
+ 0.5V to 26V
MAX1641
MAX1641
MAX1640
V
IN
= 5.5V to 26V, I
LOAD
= 0 to 20mA
V
IN
= 5.5V to 26V, I
LOAD
= 0 to 20mA
MAX1640
CONDITIONS
μA
1
V
SET
Input Current
FET Drive Output Resistance
mV
4
10
Reference Load Regulation
V
1.96
2.00
2.04
V
REF
Reference Voltage
V
4.05
4.20
4.35
V
LDOL
Undervoltage Lockout
μA
1
Output Current in Off Mode
500
mA
2
4
Quiescent V
IN
Supply Current
0.1
%/V
0.1
0.4
Output Current Compliance
%/V
0.03
Current-Sense Line Regulation
34
37.5
41
mV
36
42
48
147
150
153
mV
142
150
158
Full-Scale Current-Sense
Threshold
V
V
IN
-
5.5
V
IN
-
5.0
V
IN
-
4.5
V
LDOH
Linear-Regulator Output
Voltage, V
IN
Referenced
V
4.5
5.0
5.5
V
LDOL
Linear-Regulator Output
Voltage, Ground Referenced
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
V
5.5
26
V
IN
Input Voltage Range
PFET and NFET drive
12
Off-Time Range
1
10
μs
Off-Time Accuracy
R
TOFF
= 62k
1.7
2.2
2.7
μs
Pulse-Trickle Mode Duty-Cycle
Period
D0 = low, D1 = high, R
TOFF
= 100k
27
33
40
ms
Pulse-Trickle Mode Duty Cycle
(Note 1)
D0 = low, D1 = high, R
TOFF
= 100k
12.5
%
Quarter-Scale Current-Sense
Threshold
MAX1640
MAX1641
μA
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1641C/D | 功能描述:電流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX1641EEE | 功能描述:電流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX1641EEE+ | 功能描述:電流型 PWM 控制器 Adj-Out Switch Mode Current Source RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX1641EEE+T | 功能描述:電流型 PWM 控制器 Adj-Out Switch Mode Current Source RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX1641EEE-T | 功能描述:電流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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