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參數(shù)資料
| 型號： | LD3985G21R |
| 廠商： | 意法半導體 |
| 英文描述： | ULTRA LOW DROP-LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE |
| 中文描述： | 超低壓降低噪聲BICMOS工藝電壓調節(jié)器兼容低ESR電容 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大?。?/td> | 393K |
| 代理商： | LD3985G21R |
LD3985 SERIES
5/14
Note 1 – For V
O(NOM)
< 2V, V
= 2.5V
Note 2 – For V
= 1.25V, V
= 2.5V
Note 3 – Dropout voltage is the input-to-output voltage difference at which the output voltage is 100mV below its nominal value. This speci-
fication does not apply for input voltages below 2.5V.
Note 4 – Turn-on time is time measured between the enable input just exceeding V
INH
High Value and the output voltage just reaching 95%
of its nominal value
Note 5 – Typical thermal protection hysteresis is 20°C
Note 6 - The minimum capacitor value is 1μF, anyway the LD3985 is still stable if the compensation capacitor has a 30% tolerance in all
temperature range.
TYPICAL PERFORMANCE CHARACTERISTICS
(T
j
= 25°C, V
I
= V
O(NOM)
+0.5V, C
I
= C
O
= 1
μ
F,
C
BYP
= 1
0
nF, I
O
= 1mA, V
INH
= 1.4V, unless otherwise specified)
Figure 4:
Output Voltage vs Temperature
Figure 5:
Output Voltage vs Temperature
Figure 6:
Output Voltage vs Temperature
Figure 7:
Shutdown Voltage vs Temperature
C
O
Output Capacitor
Capacitance (Note 6)
ESR
1
5
22
μF
m
5000
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
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| LD3985G26R | ULTRA LOW DROP-LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LD3985G22R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ULTRA LOW DROP-LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE |
| LD3985G24R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ULTRA LOW DROP-LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE |
| LD3985G25R | 功能描述:低壓差穩(wěn)壓器 - LDO Bicmos Vltg Regulatr Ultra Lo Drop Lo RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LD3985G26R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ULTRA LOW DROP-LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE |
| LD3985G27R | 功能描述:低壓差穩(wěn)壓器 - LDO 2.7V 0.15A Ultra Low RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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