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參數(shù)資料
| 型號(hào)： | STM802BDR |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | SOLENOID CONTROLLER IC |
| 中文描述： | 電磁控制器IC |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大小： | 154K |
| 代理商： | STM802BDR |
1/8
October 2003
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WIDE SUPPLY VOLTAGE RANGE: 8 TO 35V
DC
BUILD-IN GATE DRIVE VOLTAGE CLAMP
TYP. 11V
LOGIC CONTROLLED ENABLING CIRCUIT
DIGITAL IN-RUSH TIMER
BUILT-IN POWER-ON RESET
INTERNALLY TRIMMED TIMING
OSCILLATOR
NO EXTERNALLY TIMING CAPACITORS
NEEDED
FIXED IN-RUSH/HOLD CURRENT RATIO
LOW DROP CURRENT SENSING
RESISTOR
INTEGRATED FILTER IN THE FEEDBACK
LOOP (TIME COSTANT OF 2μs TYP.)
SO-8 PACKAGE
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DESCRIPTION
This circuit is basically switch mode current
regulator with 2 modes (In-rush and Holding).
In-rush current occurs in the first 64 ms of each
on/off cycle with the rise time dependent on the
coil’s resistance and inductance. The Hold-current
is a partition of the In-rush current fixed by the
ratio between V
1
and V
2
. A control pin is provided
for enabling and disabling the gate control output
for the external power MOS. The MOS transistor
must be chosen according to the supply voltage
range
and
the
current
solenoid.
flowing
through
the
ORDERING CODES
Type
Temperature
Range
Package
Comments
STM802BD
STM802BDR
-40 to 85 °C
-40 to 85 °C
SO-8 (Tube)
SO-8 (Tape & Reel)
100 parts per tube / 20 parts per box
2500 parts per reel
STM802
SOLENOID CONTROLLER IC
SO-8
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