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參數(shù)資料
| 型號： | APE8837HGN2-HF |
| 廠商： | ADVANCED POWER ELECTRONICS CORP |
| 元件分類： | 固定正電壓多路輸出LDO穩(wěn)壓器 |
| 英文描述： | DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, PDSO6 |
| 封裝： | 2 X 2 MM, HALOGEN AND LEAD FREE, DFN-6 |
| 文件頁數(shù)： | 3/7頁 |
| 文件大小： | 204K |
| 代理商： | APE8837HGN2-HF |
Advanced Power
Electronics Corp.
APE8837
Note 1.
VIN (min) =VOUT+VDROP
Note 2.
Current limit is measured at constant junction temperature by using pulsed testing with a low ON time.
Note 3.
Regulation is measured at constant junction temperature by using pulsed testing with a low ON time.
Note 4.
Guaranteed by design.
PIN DESCRIPTIONS
PIN SYMBOL
PIN DESCRIPTION
VIN
Input Voltage
GND
Common Ground Pin
EN1
VOUT1 Enable Control Pin
EN2
VOUT2 Enable Control Pin
VOUT1
Output1 Voltage
VOUT2
Output2 Voltage
BLOCK DIAGRAM
FUNCTION DESCRIPTION
3
Current
Limit1
-
+
VIN
VOUT1
GND
Error
Amp
Bandgap
Thermal
Shutdown
Enable1
EN1
Current
Limit2
-
+
Error
Amp
Enable2
EN2
VOUT2
The APE8837 is a highly accurate, dual, low noise, CMOS LDO voltage
regulators with enable function. The output voltage for each regulator is set
independently by fuse trimming. As illustrated in function block diagram, it consists of a
reference, error amplifier, a P-channel pass transistor, an ON/OFF control logic and an
internal feedback voltage divider. The band gap reference is connected to the error
amplifier, which compares the reference with the feedback voltage and amplifies the
voltage difference. If the feedback voltage is lower than the reference voltage, the
pass- transistor gate is pulled lower, which allows more current to pass to the VOUT pin
and increases the output voltage. If the feedback voltage is too high, the pass
transistor gate is pulled up to decrease the output voltage. The output voltage is feed
back through an internal resistive divider connected to VOUT pin. Additional blocks
include an output current limiter, thermal sensor, and shutdown logic.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| APE8838 | 制造商:A-POWER 制造商全稱:Advanced Power Electronics Corp. 功能描述:DUAL CHANNEL LDO REGULATORS WITH ENABLE |
| APE8845 | 制造商:A-POWER 制造商全稱:Advanced Power Electronics Corp. 功能描述:Guaranteed 600mA Output Current |
| APE8858 | 制造商:A-POWER 制造商全稱:Advanced Power Electronics Corp. 功能描述:ULTRA LOW OUTPUT VOLTAGE LINEAR N-FET CONTROLLER |
| APE8858A | 制造商:A-POWER 制造商全稱:Advanced Power Electronics Corp. 功能描述:FAST TRANSIENT RESPONSE LINEAR CONTROLLER |
| APE8858AY | 制造商:A-POWER 制造商全稱:Advanced Power Electronics Corp. 功能描述:FAST TRANSIENT RESPONSE LINEAR CONTROLLER |
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