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參數(shù)資料
| 型號： | L6376PD |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 0.5A HIGH-SIDE DRIVER QUAD INTELLIGENT POWER SWITCH |
| 中文描述： | 0.5A的高邊驅(qū)動器四智能功率開關(guān) |
| 文件頁數(shù)： | 3/12頁 |
| 文件大小： | 123K |
| 代理商： | L6376PD |
PIN DESCRIPTION
(Pin numering referred to PowerSO20package).
No
Pins
Function
6
V
S
Positive supply voltage.
An internal circuit, monitoring the supply voltage, maintains the IC in off-state until V
S
reaches 9V or when V
falls under 8.5V.
The diagnostic is availlable since V
S
= 5V.
7
V
CP
Switch driver supply.
To minimize the output drop voltage, a supply of about 10V higher than V
is required. In
order to use the built-in charge pump, connect a filter capacitor from pin1 to pin.
The suggested value assures a fast transition and a low supply ripple even in worse
condition. Using the four channels contemporarily, values less than 68nF have to be
avoided.
2, 3,
8, 9
O
1
, O
2
, O
3
, O
4
High side outputs.
Four independently controlled outputs with built-in current limitation.
1, 10,
11, 20
GND
Ground and power dissipating pins.
These pins are connected to the bulk ground of the IC, so are useful for heat dissipation.
12,13,
14, 15
I
1
, I
2
, I
3
, I
4
Control inputs.
Four independent control signals. The output is held off until the voltage at the
corresponding input pin reaches 1.35V and is turned off when the voltage at the pin goes
below 1.15V.
16
ON DELAY
Programmable ON duration in short circuit.
If an output is short circuited to ground or carryng a current exceeding the limit, the output
is turned-off and the diagnostic activation are delayed. This procedure allows the driving
of hard surge current loads.
The delay is programmed connecting a capacitor (50pF to 15nF) versus ground with the
internal time constant of 1.28
μ
s/pF. The function can be disabled short circuiting this pin
to ground.
17
OFF DELAY
Programmable OFF duration in short circuit.
After the short circuit or overcurrent detection, the switch is held off before the next
attempt to switch on again.
The delay is programmed connecting a capacitor (50pF to 15nF) versus ground with the
internal time constant of 1.28
μ
s/pF.
Short circuiting this pin to ground the OFF delay is 64 times the ON delay.
18
R
Asyncronous reset input.
This active low input (with hysteresis), switch off all the outputs independently from the
input signal. By default it is biased low.
19
DIAG
Diagnostic output.
This open drain output reports the IC working condition. The bad condition (as
undervoltage, overcurrent, overtemperature) turns the output low.
5
V
C
Pump oscillator voltage.
At this pin is available the built-in circuitry to supply the switch driver at about 10V higher
than V
. To use this feature, connect a capacitor across pin 4 and pin 5.
The suggested value assures a fast transition and a minimum output drop voltage even in
worse condition. Using the four channels contemporarily, values less than 6.8nF have to
be avoided.
4
V
P
Bootstrapped voltage.
At this pin is available the 11V oscillation for the charge pump, at a typical frequency of
200kHz.
L6376
3/12
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| L6377 | 功能描述:電源開關(guān) IC - 配電 0.5A Intel Power Sw RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| L6377_08 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:0.5 A high-side driver quad intelligent power switch |
| L6377D | 功能描述:電源開關(guān) IC - 配電 0.5A Intel Power Sw RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| L6377D013TR | 功能描述:電源開關(guān) IC - 配電 0.5A Intel Power Sw RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| L6380 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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