參數(shù)資料
型號: ADR444ARZ-REEL7
廠商: ANALOG DEVICES INC
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Ultralow Noise, LDO XFET Voltage References with Current Sink and Source
中文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 4.096 V, PDSO8
封裝: ROHS COMPLIANT, MS-012AA, SOIC-8
文件頁數(shù): 17/20頁
文件大?。?/td> 417K
代理商: ADR444ARZ-REEL7
ADR440/ADR441/ADR443/ADR444/ADR445
PRECISION OUTPUT REGULATOR
(BOOSTED REFERENCE)
V
IN
Rev. A | Page 17 of 20
ADR440/
ADR441/
ADR443/
ADR444/
ADR445
6
2
V
IN
V
OUT
R
L
200
C
L
1μF
2N7002
–V
15V
V
O
C
IN
0.1μF
C
0.1μF
GND
4
0
Figure 41. Boosted Output Reference
Higher current drive capability can be obtained, without
sacrificing accuracy, by using the circuit in Figure 41. The
operational amplifier regulates the MOSFET turn-on, forcing
V
O
to equal the V
REF
. Current is then drawn from V
IN
, allowing
increased current drive capability. The circuit allows a 50 mA
load; if higher current drive is required, use a larger MOSFET.
For fast transient response, add a buffer at V
O
to aid with
capacitive loading.
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ADR445 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultralow Noise, LDO XFET Voltage References with Current Sink and Source