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參數資料
| 型號： | ZXCT1032N8TA |
| 廠商： | Diodes Inc |
| 文件頁數： | 6/10頁 |
| 文件大?。?/td> | 340K |
| 描述： | IC CURRENT MONITOR 8SOIC |
| 標準包裝： | 1 |
| 功能： | 電流監控器 |
| 檢測方法： | 高端 |
| 輸入電壓： | 9.5 V ~ 21 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 8-SOP |
| 包裝： | 標準包裝 |
| 產品目錄頁面： | 1478 (CN2011-ZH PDF) |
| 其它名稱： | ZXCT1032N8DKR |
ZXCT1032
Issue 4 - June 2007
6
www.zetex.com
?Zetex Semiconductors plc 2007
Application information
ZXCT1032 block diagram and description
Operation of the ZXCT1032
1 After power-up, the timing capacitor (C
T
) is charged up by a 200礎 current source. This causes
the output amplifier's drive pin to fall in voltage, progressively turning on the PMOS transistor.
The load current is monitored by the current monitor and the amplifier control loop controls
the load current allowing it to increase gradually (soft-start mode) as the voltage on C
T
increases. During the soft-start phase the load current will start to build up while there is a
large voltage across the pass MOSFET; this can lead to large power dissipation if large
capacitive loads are driven and/or large C
T
is used.
ZXCT1032
Load
Flag
Drive
IN+
IN-
T
C
T
GND
I
SET
200A
3.3A
2.1V
80mV
1
(2)
(3)
(4)
(5)
(6)
(8)
R
SENSE
I
CT-CHG
I
CT DIS
50k
-
-
+
+
+
+
-
-
-
-
ZXCT1032 Start up characteristic
0
0.5
1
1.5
2
2.5
3
0
0.5
1
1.5
2
2.5
im - m
0
0.2
0.4
0.6
0.8
1
1.2
V
ISET
V
CT
10*V
SENSE
I
LOAD
V
IN+
= 18V
R
SENSE
= 0.2
C
T
= 220nF
V
ISET
= 2.1V
Trip current = 1A
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ZXCT1032N8TA-CUT TAPE | 制造商:DIODES 功能描述:ZXCT1032 Series 2.5 uA 9.5 to 21 V Controller and Electronic Fuse - SOIC-8 |
| ZXCT1041 | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:Bidirectional precision high-side current monitor |
| ZXCT1041E5TA | 功能描述:電流和電力監控器、調節器 Bi-Direct High Side RoHS:否 制造商:STMicroelectronics 產品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| ZXCT1050 | 制造商:DIODES 制造商全稱:Diodes Incorporated 功能描述:Precision wide input range current monitor |
| ZXCT1050E5TA | 功能描述:電流和電力監控器、調節器 Wide CMR Curr. Mon. RoHS:否 制造商:STMicroelectronics 產品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
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