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參數(shù)資料
| 型號： | LDR1833K7-R |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | VERY LOW DROP DUAL VOLTAGE REGULATOR |
| 中文描述： | 極低降雙電壓調(diào)節(jié)器 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 384K |
| 代理商： | LDR1833K7-R |
1/13
August 2004
I
OUTPUT CURRENT 1 UP TO 500mA
OUTPUT CURRENT 2 UP TO 1.0A
LOW DROPOUT VOLTAGE 1
(0.3V @ I
O
=500mA)
LOW DROPOUT VOLTAGE 2
(0.4V @ I
O
=1A)
VERY LOW SUPPLY CURRENT (TYP.50μA
IN OFF MODE, 1.6mA MAX IN ON MODE)
LOGIC-CONTROLLED ELECTRONIC
SHUTDOWN
OUTPUT VOLTAGE AVAILABILITY FOR
EACH REGULATOR: 1.8V, 2.5V, 3.3V
INTERNAL CURRENT AND THERMAL LIMIT
STABLE WITH LOW VALUE (MIN 4.7μF)
AND LOW E.S.R. OUTPUT CAPACITORS
SUPPLY VOLTAGE REJECTION: 70dB (TYP.)
TEMPERATURE RANGE (-40°C TO 125°C)
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DESCRIPTION
The LDRxxyy is a Very Low Drop Dual Voltage
Regulator available in PPAK for the version
without inhibit and in SPAK-7L for the version with
the shutdown feature. The very low drop-voltage
(0.5V) and the very low supply current make it
particularly suitable for low noise and low power
applications such as PDA, MICRODRIVE and
other data storage applications while the used
high voltage technology makes this device
suitable for consumer applications such as
MONITORS AND SET-TOP-BOX. For each V
O
a
Shutdown Logic Control function is available (TTL
compatible) to
decrease
consumption.
the
total power
LDRxxyy
VERY LOW DROP
DUAL VOLTAGE REGULATOR
+
-
+
-
START UP 1
BAND GAP 1
DRIVER 1
POWER 1
THERMAL 1
THERMAL 2
START UP 2
BAND GAP 2
DRIVER 2
POWER 2
V
O1
V
O2
I
NH2
I
NH1
V
I2
V
I1
ERROR
AMPLIFIER 1
ERROR
AMPLIFIER 2
Figure 1: Block Diagram
PPAK
SPAK-7L
Rev. 2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LDR1833PT | 功能描述:IC REG LDO 1.8/3.3V .5A/1A P-PAK RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品變化通告:Heatsink Pkg Change 09/Oct/2007 標(biāo)準(zhǔn)包裝:50 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:24V 輸入電壓:最高 40 V 電壓 - 壓降（標(biāo)準(zhǔn)）:2V @ 1A 穩(wěn)壓器數(shù)量:1 電流 - 輸出:1A 電流 - 限制（最小）:- 工作溫度:0°C ~ 125°C 安裝類型:通孔 封裝/外殼:TO-220-3 供應(yīng)商設(shè)備封裝:TO-220-3 包裝:管件 |
| LDR1833PT-R | 功能描述:低壓差穩(wěn)壓器 - LDO Low drop fixed/adj positive 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 |
| LDR2518 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VERY LOW DROP DUAL VOLTAGE REGULATOR |
| LDR2518K7-R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VERY LOW DROP DUAL VOLTAGE REGULATOR |
| LDR2518PT-R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VERY LOW DROP DUAL VOLTAGE REGULATOR |
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