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參數(shù)資料
| 型號： | SP6201ER-ADJ |
| 元件分類： | 可調(diào)正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | 2.7 V-6 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PDSO8 |
| 封裝： | 2 X 3 MM, MO-229CVCED-2, DFN-8 |
| 文件頁數(shù)： | 16/17頁 |
| 文件大?。?/td> | 426K |
| 代理商： | SP6201ER-ADJ |
8
Date: 6/1/05
SP6200/6201 100/200mA CMOS LDO Regulator
Copyright 2005 Sipex Corporation
equation:
PD = (VIN - VOUT)*IOUT + VIN*IGND
(VIN - VOUT) * IOUT
Substituting PD(max) for PD and solving for the
operating conditions that are critical to the ap-
plication will give the maximum operating con-
ditions for the regulator circuit. For example, if
we are operating the SP6201- 3.0V at room
temperature, with a SOT-23-5 package on a 4
layer standard board we can determine the maxi-
mum input voltage for a set output current.
PD(max) =
(125
°C -25°C) = 1.1W
(90
°C/W)
To prevent the device from entering thermal
shutdown, maximum power dissipation can not
be exceeded. Using the output voltage of 3.0V
and an output current of 200 mA, the maximum
input voltage can be determined. Ground pin
current can be taken from the electrical spec’s-
table (I
GND=200uA at IOUT=200uA). The maxi-
mum input voltage is determined as follows:
1.1W = (VIN – 3.0V)*200mA + VIN*0.2mA
Solving for VIN, we get:
VIN =
(1.1W + 0.6W)
200.2mA
After calculations, we find that the maximum
input voltage of a 3.0V application at 200mA of
output current in an SOT-23-5 package is 8.4V.
Dual-Supply Operation
When used in dual supply systems where the
regulator load is returned to a negative supply,
the output voltage must be diode clamped to
ground.
THEORY OF OPERATION: Continued
相關(guān)PDF資料 |
PDF描述 |
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| SP6201ER-L-ADJ/TR | 2.7 V-6 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PDSO8 |
| SP6201ER-L-ADJ | 2.7 V-6 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PDSO8 |
| SP6341EK1-L-Z-J-D/TR | 3-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8 |
| SP6341EK1-L-T-A-C | 3-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8 |
| SP6341EK1-L-T-C-C | 3-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP6201ER-L | 功能描述:低壓差穩(wěn)壓器 - LDO Micropower, 200mA CMOS LDO Regulators 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(fù)載調(diào)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| SP6201ER-L/TR | 功能描述:低壓差穩(wěn)壓器 - LDO Micropower 200mA CMOS LDO Regulators 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(fù)載調(diào)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| SP6201ER-L-1-5/TR | 功能描述:低壓差穩(wěn)壓器 - LDO Micropower 200mA CMOS LDO Regulators 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(fù)載調(diào)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| SP6201ER-L-1-8 | 功能描述:低壓差穩(wěn)壓器 - LDO Micropower, 200mA CMOS LDO Regulators 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(fù)載調(diào)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| SP6201ER-L-1-8/TR | 功能描述:低壓差穩(wěn)壓器 - LDO Micropower 200mA CMOS LDO Regulators 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(fù)載調(diào)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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