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PDF LD6905 Data sheet ( Hoja de datos )
| Número de pieza | LD6905 | |
| Descripción | Adjustable Precision Shunt Regulators | |
| Fabricantes | Lighting Device Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LD6905 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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Features
3-terminal regulators
Output current up to 100mA
No external components
Internal thermal overload protection
Applications
TFT flat panel backlighting
AC/DC LED lamp
LED traffic light
T5, T8 LED line bar
MR-16 lamp
Signage or decorative LED lamp
Package Pin Out
Preliminary – LD6905
Adjustable Precision Shunt Regulators
General Description
This series of fixed voltage monolithic integrated circuit
voltage regulators is designed for a wide range of
applications. These applications include on-card
regulation for elimination of noise and distribution
problems associated with single-point regulation.
In addition, they can be used with power-pass elements
to make high-current voltage regulators. Each of these
regulators can deliver up to 100mA of output current.
The internal limiting and thermal shutdown features of
these regulators make them essentially immune to
overload. When used as a replacement for a Zener
diode-resistor combination, an effective improvement in
output impedance can be obtained together with lower-
bias current.
Ordering Information
Part No.
LD6905
LD6906
LD6908
LD6909
LD6912
LD6915
LD6918
LD6924
Output
-5V
-6V
-8V
-9V
-12V
-15V
-18V
-24V
Package
TO-92
Packing Options
Bag (BG)
LD6905T1-TU
LD6906T1-TU
LD6908T1-TU
LD6909T1-TU
LD6912T1-TU
LD6915T1-TU
LD6918T1-TU
LD6924T1-TU
Tape & Reel
(TR)
LD6905T1-TR
LD6906T1-TR
LD6908T1-TR
LD6909T1-TR
LD6912T1-TR
LD6915T1-TR
LD6918T1-TR
LD6924T1-TR
Package material default is “Green” package.
Product Marking
LD8888
SSSSS…
Line 1 – “LD” is a fixed character
8888: product name
Line 2 – SSSSS…: lot number
●
Lighting Device Technologies Corporation Tel: +886-3-567-8806 Fax: +886-3-567-8706
DCC-LD6905-R1.0-20120102
1
www.ldtech.com.tw
copyright©2012
1 page  
Preliminary – LD6905
Electrical Characteristics (Cont’)
LD6915 is working under VIN=-23V, IOUT=40mA, at specified virtual junction temperature, unless specified.
Parameter
Symbol Conditions*1
TJ Min Typ.
Max Unit
Output voltage*2
Input line regulation
Ripple rejection
Output load regulation
Output noise voltage
Dropout voltage
Bias current
–
25°C
-14.4 -15 -15.6
VOUT
lOUT=1~40mA, VIN=-17.5~-30V 0~+125°C -14.25
lOUT=1~70mA
-14.25
–
–
-15.75
-15.75
V
VLINEREG
VIN=-17.5~-30V
VIN=-20~-30V
25°C
–
–
65 300 mV
50 250
GRIPPLE
VIN=-18.5~-28.5V, f=120Hz
25°C
34 39 – dB
VLOADREG
lOUT=1~100mA
lOUT=1~40mA
25°C
–
–
25 150 mV
15 75
VNOISE
f=10~100Hz
25°C
– 90 – μV
VDROP
–
25°C
– 1.7 – V
IBIAS
–
25°C
125°C
–
–
–
–
6.5 mA
6
Bias current change
∆IBIAS
VIN=-20~-30V
lOUT=1~40mA
0~+125°C
–
–
–
–
1.5
0.1
mA
Notes:
*1. Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible.
Thermal effects must be taken into account separately. All characteristics are measured with a 0.33µF capacitor across the
input and a 0.1µF capacitor across the output.
*2. This specification applies only for dc power dissipation permitted by absolute maximum ratings.
LD6918 is working under VIN=-26V, IOUT=40mA, at specified virtual junction temperature, unless specified.
Parameter
Symbol Conditions*1
TJ Min Typ.
Max Unit
–
25°C
-17.3 -18 -18.7
Output voltage*2
VOUT
lOUT=1~40mA, VIN=-20.5~-33V 0~+125°C
lOUT=1~70mA
-17.1
-17.1
–
–
-18.9
-18.9
V
Input line regulation
VLINEREG
VIN=-20.5~-33V
VIN=-21~-33V
25°C
–
–
70 325 mV
60 270
Ripple rejection
GRIPPLE
VIN=-23~-33V, f=120Hz
25°C
33 48 – dB
Output load regulation
Output noise voltage
Dropout voltage
Bias current
VLOADREG
VNOISE
VDROP
IBIAS
lOUT=1~100mA
lOUT=1~40mA
f=10~100Hz
–
–
25°C
25°C
25°C
25°C
125°C
–
–
27 180 mV
19 85
– 150 – μV
– 1.7 – V
–
–
–
–
6.5 mA
6
Bias current change
∆IBIAS
VIN=-21~-33V
lOUT=1~40mA
0~+125°C
–
–
–
–
1.5
0.1
mA
Notes:
*1. Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible.
Thermal effects must be taken into account separately. All characteristics are measured with a 0.33µF capacitor across the
input and a 0.1µF capacitor across the output.
*2. This specification applies only for dc power dissipation permitted by absolute maximum ratings.
Lighting Device Technologies Corporation Tel: +886-3-567-8806 Fax: +886-3-567-8706
DCC-LD6905-R1.0-20120102
5
www.ldtech.com.tw
copyright©2012
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet LD6905.PDF ] | |
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