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參數(shù)資料
| 型號(hào)： | DS14287 |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Timer or RTC |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDIP24 |
| 封裝： | 0.740 INCH, ENCAPSULATED, DIP-24 |
| 文件頁數(shù)： | 15/16頁 |
| 文件大?。?/td> | 312K |
| 代理商： | DS14287 |
MAX774/MAX775/MAX776
-5V/-12V/-15V or Adjustable, High-Efficiency,
Low IQ Inverting DC-to-DC Controllers
8
_______________________________________________________________________________________
______________________________________________________________Pin Description
PIN
NAME
FUNCTION
1
OUT
2
FB
3
SHDN
4
REF
1.5V reference output that can source 100A. Bypass to ground with 0.1F.
5
V+
Positive power-supply input
6
CS
Noninverting input to the current-sense comparator. Typical trip level is 210mV (relative to V+).
7
EXT
The gate-drive output for an external P-channel power MOSFET. EXT swings from OUT to V+.
8
GND
Ground
The sense input for fixed-output operation (VFB = VREF). OUT is connected to the internal voltage divider,
and it is the negative supply input for the EXT driver.
Feedback input. When VFB = VREF, the output will be the factory preset value. For adjustable operation,
use an external voltage divider, as described in the Adjustable Output section.
Active-high shutdown input. With SHDN high, the part is in shutdown mode and the supply current is less
than 5A. Connect to GND for normal operation.
Typical Operating Characteristics (continued)
(TA = +25°C, unless otherwise noted.)
CIRCUIT OF FIGURE 2
V+ = 6V, VOUT = -5V
A: ILOAD, 30mA TO 1A, 1A/div
B: VOUT, 100mV/div, AC-COUPLED
LOAD-TRANSIENT RESPONSE
100
s/div
A
B
CIRCUIT OF FIGURE 2
VOUT = -5V, ILOAD = 1A
A: V+, 3V TO 8V, 5V/div
B: VOUT, 100mV/div, AC-COUPLED
LINE-TRANSIENT RESPONSE
2ms/div
A
B
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS14287+ | 功能描述:實(shí)時(shí)時(shí)鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1-48-0001 | 功能描述:固定電感器 DS Storage choke 3.15A RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
| DS1-48-0002 | 功能描述:固定電感器 DS Storage choke 4A RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
| DS1-48-0003 | 制造商:Schurter Electronic Components 功能描述: |
| DS1-48-0004 | 制造商:Schurter Electronic Components 功能描述: |
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