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參數資料
型號: FAN2518
廠商: Fairchild Semiconductor Corporation
英文描述: 50 mA CMOS LDO Regulators with Fast Start Enable
中文描述: 50毫安的CMOS LDO穩壓器的快速啟動功能
文件頁數: 2/10頁
文件大小: 246K
代理商: FAN2518
PRODUCT SPECIFICATION
FAN2518/FAN2519
2
REV. 1.0.6 2/14/03
Pin Assignments
Pin Descriptions
Pin No.
1.
2.
3.
4.
5.
FAN2518
V
IN
GND
EN
ADJ
V
OUT
FAN2518-XX
V
IN
GND
EN
BYP
V
OUT
FAN2519-XX
V
IN
GND
EN
ERR
V
OUT
Pin Name
ADJ
Pin No.
4
Type
Input
Pin Function Description
FAN2518 Adjust.
determines output voltage.
FAN2518-XX Bypass.
FAN2519-XX Error.
0:
Output voltage < 95% of nominal.
1:
Output voltage > 95% of nominal.
Enable.
0:
Shutdown V
OUT
1:
Enable V
OUT
.
Voltage Input.
Supply voltage input.
Voltage Output.
Regulated output voltage.
Ground.
Ratio of potential divider from VOUT to ADJ
BYP
ERR
4
4
Passive
Open drain
Connect 470 pF capacitor for noise reduction.
Error flag output.
EN
3
Digital Input
.
V
IN
1
5
2
Power in
Power out
Power
V
GND
OUT
1
5
2
3
V
IN
GND
EN
4
V
OUT
ADJ/BYP/ERR
Functional Description
Designed utilizing CMOS process technology, the
FAN2518/19 family of products are carefully optimized for
use in compact battery-powered devices, offering a unique
combination of low power consumption, extremely low
dropout voltages, high tolerance for a variety of output
capacitors, and the ability to disable the output to less than
1μA under user control. In the circuit, a difference amplifier
controls the current through a series-pass P-Channel
MOSFET, comparing the load voltage at the output with an
onboard low-drift bandgap reference. The series resistance
of the pass P-Channel MOSFET is approximately 1
ing in an unusually low dropout voltage under load when
compared to older bipolar pass-transistor designs.
, result-
Protection circuitry is provided onboard for overload condi-
tions. In conditions where the device reaches temperatures
exceeding the specified maximums, an onboard circuit shuts
down the output, where it remains suspended until it has
cooled before re-enabling. The user is also free to shut down
the device using the Enable control pin at any time.
Careful design of the output regulator amplifier assures loop
stability over a wide range of ESR values in the external
output capacitor. A wide range of values and types can be
accommodated, allowing the user to select a capacitor
meeting his space, cost, and performance requirements,
and enjoy reliable operation over temperature, load, and
tolerance variations.
相關PDF資料
PDF描述
FAN2519 50 mA CMOS LDO Regulators with Fast Start Enable
FAN2534 150 mA CMOS LDO Regulator with Fast Start, Enable
FAN2534S30X 150 mA CMOS LDO Regulator with Fast Start, Enable
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相關代理商/技術參數
參數描述
FAN2518 WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
FAN251826 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator
FAN2518S 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VOLT REGULATOR|ADJUSTABLE|+1.26 TO 6.5V|CMOS|TSOP|6PIN|PLASTIC
FAN2518S25 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator
FAN2518S25X 功能描述:低壓差穩壓器 - LDO LDO Voltage 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:0.3 % 輸出端數量: 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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