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參數(shù)資料
| 型號： | MAX668EUB+ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.8V to 28V Input, PWM Step-Up Controllers in µMAX |
| 中文描述： | SWITCHING CONTROLLER, 575 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | COMPACT, UMAX-10 |
| 文件頁數(shù)： | 13/18頁 |
| 文件大?。?/td> | 289K |
| 代理商： | MAX668EUB+ |
MAX668/MAX669
1.8V to 28V Input, PWM Step-Up
Controllers in MAX
4
_______________________________________________________________________________________
ns
%
Minimum SYNC Input-Pulse Duty Cycle
45
Minimum SYNC Input Low Pulse Width
200
SYNC Input Rise/Fall Time
Not tested
200
ns
ELECTRICAL CHARACTERISTICS (continued)
(VCC = LDO = 5V, ROSC = 200k, TA = -40°C to +85°C, unless otherwise noted.)
ROSC = 200k ±1%
87
93
SYNC Input Frequency Range
100
500
kHz
1.8V < VCC < 3V (MAX669)
0.30
V
1.8V < VCC < 3V (MAX669)
1.5
V
SYNC/SHDN = 28V
6.5
A
EXT On-Resistance
EXT high or low
5
SYNC/SHDN Input Current
SYNC/SHDN = 5V
3.0
Note 1: This is the VCC current consumed when active but not switching. Does not include gate-drive current.
Note 2: Limits at TA = -40°C are guaranteed by design.
222
278
UNITS
PARAMETER
CONDITIONS
MIN
MAX
ROSC = 200k ±1%
%
Maximum Duty Cycle
ROSC = 500k ±1%
86
94
425
575
ROSC =100k ±1%
kHz
Oscillator Frequency
85
115
ROSC = 500k ±1%
ROSC = 100k ±1%
86
94
SYNC/SHDN Input High Voltage
3V < VCC < 28V
2.0
SYNC/SHDN Input Low Voltage
3V < VCC < 28V
0.45
V
REF Output Voltage
No load, CREF = 0.22F
1.22
1.28
mV
REF Load Regulation
REF load = 0 to 50A
-10
V
REF Undervoltage Lockout Threshold
Rising edge, 1% hysteresis
1.0
1.2
OSCILLATOR
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX668EUB | 制造商:Maxim Integrated Products 功能描述:PWM STEP UP CONTROLLER SMD SOIC10 |
| MAX668EUB+ | 功能描述:電流型 PWM 控制器 1.8V to 28V Step-Up RoHS:否 制造商:Texas Instruments 開關(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX668EUB+T | 功能描述:電流型 PWM 控制器 1.8V to 28V Step-Up RoHS:否 制造商:Texas Instruments 開關(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX668EUB-T | 功能描述:電流型 PWM 控制器 1.8V to 28V Step-Up RoHS:否 制造商:Texas Instruments 開關(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX668EVKIT | 功能描述:電源管理IC開發(fā)工具 Evaluation Kit for the MAX668 MAX669 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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