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參數資料
| 型號： | MAX657ESD |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | DC-to-DC Voltage Converter |
| 中文描述： | 1.6 A SWITCHING REGULATOR, 18 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封裝： | 0.150 INCH, SO-14 |
| 文件頁數： | 1/7頁 |
| 文件大小： | 132K |
| 代理商： | MAX657ESD |
General Description
The MAX6511/MAX6512/MAX6513 are fully integrated,
remote temperature switches that use an external P-N
junction (typically a diode-connected transistor) as the
sensing element to measure the remote temperature.
These devices assert a logic signal when the tempera-
ture crosses a factory-programmed threshold. Available
trip thresholds are from +45°C to +125°C in 10°C incre-
ments. Accuracy is within ±3°C (TA = -5°C to +55°C) or
±5°C (TA = -40°C to +85°C). Hysteresis is pin selec-
table to 5°C or 10°C.
The MAX6511 has an active-low CMOS output and the
MAX6513 has an active-high CMOS output. The
MAX6512 has an open-drain output. The output is
asserted when the temperature exceeds the threshold
value. The active-low open-drain output is intended to
interface with a microprocessor (P) reset or interrupt
input. The active-high CMOS output can directly drive a
power FET to control a cooling fan.
The MAX6511/MAX6512/MAX6513 operate from a
+3.0V to +5.5V supply and typically consume 400A of
supply current. They are available in a small 6-pin
SOT23 package.
________________________Applications
CPU Temperature Monitoring in High-Speed
Computers
Multichip Modules
Battery Packs
Temperature Control
Temperature Alarms
Fan Control
Features
o Continuously Measure External Junction
Temperature
o Factory-Programmed Temperature Threshold
from +45°C to +125°C in 10°C Increments
o Insensitive to Series Parasitic Resistance
o Active-Low CMOS Output (MAX6511) or Open-
Drain Output for Overtemperature Alarm
(MAX6512) or Active-High Output (MAX6513) for
Direct Fan Control
o <100ms Response Time
o Accuracy
±3°C (TREMOTE = +45°C to +125°C, TA = -5°C to +55°C)
±5°C (TREMOTE = +45°C to +125°C, TA = -40°C to +85°C)
o Pin-Selectable 5°C or 10°C Hysteresis
o 400A Average Current Consumption
o +3.0V to +5.5V Supply Range
o 6-Pin SOT23 Package
MAX6511/MAX6512/MAX6513
Low-Cost, Remote SOT Temperature Switches
________________________________________________________________ Maxim Integrated Products
1
GND
TOVER (TOVER)
HYST
16
DXP
5
DXN
VDD
MAX6511
MAX6512
MAX6513
TOP VIEW
2
34
( ) ARE FOR MAX6513 SOT23 ONLY.
Pin Configuration
19-1819; Rev 0; 10/00
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Ordering Information
*These parts are offered in nine standard temperature versions
with a minimum order of 2500 pieces. To complete the suffix infor-
mation, select an available trip point in degrees centigrade from
the device marking codes table. For example, the
MAX6511UT065-T describes a MAX6511 in a SOT23-6 package
with a +65°C threshold.
PART*
TEMP. RANGE
PIN-
PACKAGE
OUTPUT
MAX6511EUT_ _ _ -T -40
°C to +85°C 6 SOT23-6
CMOS
(Active-Low)
MAX6512EUT_ _ _ -T -40
°C to +85°C 6 SOT23-6 Open-Drain
MAX6513EUT_ _ _ -T -40
°C to +85°C 6 SOT23-6
CMOS
(Active-High)
Typical Operating Circuit appears at end of data sheet.
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