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參數(shù)資料
| 型號： | SP6265 |
| 英文描述： | Dual Low-Dropout CMOS Voltage Regulator |
| 中文描述： | 雙低壓差CMOS電壓穩(wěn)壓器 |
| 文件頁數(shù)： | 7/13頁 |
| 文件大?。?/td> | 437K |
| 代理商： | SP6265 |
7
Mar2-07 Rev O SP6265 Dual Low-Dropout CMOS Voltage Regulator 2007 Sipex Corporation
Detailed Description
The S
P6265
is low-dropout, low quiescent-current
linear regulator designed primarily for battery-powered
applications. These parts are available with preset output
voltage ranging from .8V to .V, and the parts can
supply loads up to 50mA.
The S
P6265
features two
P-Channel MOSFET
pass transistors. A P-Channel MOSEFT provides
several advantages over similar designs using PNP
pass transistors, including longer battery life. It requires
no base drive, which reduces quiescent current sig-
nificantly. The S
P6265
only consumes 70
μ
A of qui-
escent current whether in dropout, light-load, or heavy-
load applications.
The S
P6265
contains two independent current
limiters, one for each regulator, which monitor and con-
trol the pass transistor
’
s gate voltage, limiting the
guaranteed maximum output current to 80mA minimum.
The output can be shorted to ground for an indefinite time
without damaging the part.
Use a
μ
F capacitor on the S
P6265
input and a
μ
F
capacitor on the outputs. Larger input capacitor values
and lower ESRs provide better supply noise rejection
and line transient response.
Thermal -overload protection limits total power dis-
sipation in the S
P6265
. When the junction temperat-
ure exceeds T
J
=50
o
C, the thermal sensor signals the
shut
down
logic,
turning off
the pass transistor and
al-
lowing the IC to cool.
S
P6265A & SP6265B
The S
P6265A and SP6265B
ha
ve
a single shutdown
control input(EN). Drive EN low to shut down both outputs,
reducing supply current to 0.
μ
A. Connect EN to a logic-
high, or IN, for normal operation.
S
P6265
F
-SP6265M
The S
P6265
F
-
S
P6265M
have independent shutdown
control inputs (EN and EN2). Drive EN low to shutdown
V
. Drive EN2 low to shut down V
. Drive both EN
and EN2 low to shut down the entire chip, reducing supply
current to 0.
μ
A. Connect both EN and EN2 to a logic-
high, or IN, for normal operation.
Shutdown
Application information
Capacitor Selection and Regulator Stability
PSRR and Operation from Sources Other
than Batteries
The S
P6265
is designed to deliver low dropout
voltages and low quiescent current in battery powered
systems. Power-supply rejection is 5dB at low
frequencies. (See the PSRR vs. Frequency graph)
internal P-Channel Pass Transistor
Thermal-Overload Protection
Current Limit
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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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| SP6265AEK1-L/TR | 功能描述:低壓差穩(wěn)壓器 - LDO Dual Low-Dropout CMOS Voltage Reg 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 |
| SP6265BEK1-L/TR | 功能描述:低壓差穩(wěn)壓器 - LDO Dual Low-Dropout CMOS Voltage Reg 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 |
| SP6265FEK1-L/TR | 功能描述:低壓差穩(wěn)壓器 - LDO Dual Low-Dropout CMOS Voltage Reg 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 |
| SP6265GEK1-L/TR | 功能描述:低壓差穩(wěn)壓器 - LDO Dual Low-Dropout CMOS Voltage Reg 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 |
| SP6265HEK1-L/TR | 功能描述:低壓差穩(wěn)壓器 - LDO Dual Low-Dropout CMOS Voltage Reg 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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