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參數(shù)資料
| 型號： | AME8838BEIV300Y |
| 廠商： | AME, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | High PSRR, 150mA CMOS LDO |
| 中文描述： | 高PSRR，150mA的CMOS LDO穩(wěn)壓器 |
| 文件頁數(shù)： | 10/19頁 |
| 文件大?。?/td> | 280K |
| 代理商： | AME8838BEIV300Y |
AME, Inc.
10
High PSRR, 150mA CMOS LDO
AME8838
Rev.E.04
The AME8838 is stable with an output capacitor to
ground of 1
μ
F or larger. Ceramic capacitors have the low-
est ESR, and will offer the best AC performance. Con-
versely, Aluminum Electrolytic capacitors exhibit the high-
est ESR, resulting in the poorest AC response.
A second capacitor is recommended between the in-
put and ground to stabilize V
. The input capacitor should
be at least 1
μ
F to have a beneficial effect.
n
Detailed Description
n
External Capacitors
n
Enable
The Enable Pin is normally pull-high. When activated
pulled low, the PMOS pass transistor shuts off, and all
internal circuits are powered down. In this state, the stand
by current is less than 1
μ
A. This pin can
’
t be floating.
The AME8838 family of CMOS regulators contain a
PMOS pass transistor, voltage reference, error amplifier,
over-current protection, and thermal shutdown.
The P-channel pass transistor receives data from the
error amplifier, over-current shutdown, and thermal pro-
tection circuits. During normal operation, the error ampli-
fier compares the output voltage to a precision reference.
Over-current and thermal shutdown circuits become ac-
tive when the junction temperature exceeds 150
o
C, or
the current exceeds 150mA. During thermal shutdown,
the output voltage remains low. Normal operation is re-
stored when the junction temperature drops below 130
o
C.
The AME8838 switches from voltage mode to current
mode when the load exceeds the rated output current.
This prevents over-stress.
相關PDF資料 |
PDF描述 |
|---|---|
| AME8838BEIV300Z | Diode; Antenna switching; VR (V): 60; IF (mA): 50; Pd (mW): 150; rf (ohm) max: 1.8; Condition IF at rf (mA): 10; Condition f at rf (MHz): 100; VF (V) max: 0.9; Condition IF at VF (mA): 2; C (pF) max: 0.45; Condition VR at C (V): 1; Condition f at C (MHz): 1; Package: UFP |
| AME8838BEIV310Y | High PSRR, 150mA CMOS LDO |
| AME8838BEIV310Z | High PSRR, 150mA CMOS LDO |
| AME8838BEIV330Y | High PSRR, 150mA CMOS LDO |
| AME8838BEIV330Z | Diode; Antenna switching; VR (V): 30; IF (mA): 100; Pd (mW): 150; rf (ohm) max: 1.8; Condition IF at rf (mA): 2; Condition f at rf (MHz): 100; VF (V) max: 0.9; Condition IF at VF (mA): 2; C (pF) max: 0.43; Condition VR at C (V): 1; Condition f at C (MHz): 1; Package: SFP |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AME8853-AET330 | 制造商:AME 功能描述:High PSRR 60dB LDO,IQ 60 uA,300mA ,FIX 3.3V,SOT23,3K/REEL |
| AME8855-AET330 | 制造商:AME 功能描述:600mA,FIX 3.3V,SOT23,60dB,IN G O,3K/REEL |
| AME8855-AGT250 | 制造商:AME 功能描述:PSRR 60dB LDO,IQ 60 uA,600mA ,FIX 2.5V,SOT223,IGO,2.5K/Reel |
| AME8855-BET330 | 制造商:AME 功能描述:600mA,FIX 3.3V,SOT23,60dB,G O IN ,3K/REEL |
| AME8855-BGT250 | 制造商:AME 功能描述:PSRR 60dB LDO,IQ 60 uA,600mA ,FIX 2.5V,SOT223,GOI,2.5K/Reel |
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