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PDF LD6914 Data sheet ( Hoja de datos )
| Número de pieza | LD6914 | |
| Descripción | Adjustable CMOS LDO Regulator | |
| Fabricantes | Leadtrend | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LD6914 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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LD6914
7/22/2008
150mA, Adjustable CMOS LDO Regulator
REV: 00
General Description
The LD6914 is a micropower linear regulator, featuring
low-dropout and high ripple rejection ratio. The precision of
feedback reference voltage is within ±1% and output current
is up to 150mA. As well, the LD6914 can be stable with an
output capacitor of 1μF which reduces the board space and
cost.
The LD6914 is available in a space saving SOT25 or
SC70-5 package.
Features
z Shutdown current <1μA
z Low quiescent current :40μA(typ)
z Thermal Shutdown
z Current Limiting Protection
z VOUT Discharge Function
z Stable with 1μF Output Capacitor
z Adjustable Output Voltage
z ±1% Feedback Reference
z Output Short Current Protection.
Applications
z Battery-Powered Equipment
z Hand-Held Instruments
Typical Application
V IN
1μF/X5R
VIN
C IN
CE
OUT
LD6914
GND
*R2 should be below 120KΩ
FB
VOUT
R1
1μF/X5R
COUT
R2*
Fig.1 Typical Application Circuit
Leadtrend Technology Corporation
LD6914-DS-00, July 2008
1
www.leadtrend.com.tw
1 page  
LD6914
PARAMETER
Ripple Rejection
Output Noise Voltage
Discharge Resistance in shutdown
CONDITIONS
F=1KHz,
eIN=1Vp-p, IOUT=10mA
F=10KHz,
eIN=1Vp-p, IOUT=10mA
F=100KHz,
eIN=1Vp-p, IOUT=10mA
VOUT=2.5V,100Hz~100KHz
IOUT=0mA
CE=High to Low
MIN
TYP
MAX UNITS
- 70 -
dB
60
45 dB
- 100 - μVrms
- 60 - Ω
CE
CE Pin Input bias current
CE Input Level
CE=0V or 5.5V
Enable, VIN=2.8V~5.5V
Disable, VIN=2.8V~5.5V
0.01
1.5 -
μA
-V
- - 0.6 V
THERMAL PROTECTION
Thermal Shutdown
VOUT short to GND
145 °C
Hysteresis
30 °C
Note1: Limits are 100% tested at TA =+25°C. Limits over operating range are guaranteed by design.
Note2: the drop voltage is defined as VIN-VOUT, which is measured when VOUT is equal to VOUT (normal)-100mV.
Leadtrend Technology Corporation
LD6914-DS-00, July 2008
5
www.leadtrend.com.tw
5 Page 
LD6914
IR Profile for SMD Devices
(ºc)
300
26 0
250
217
20 0
Ramp up
3ºC/second max.
150
Preheat
60 ~ 180 seconds
10 0
Peak Temp.
260 -5/+0ºC
20 ~ 40 seconds
217ºC
60 ~ 150 seconds
Ramp down
6ºC/second max.
50
0
Item
Average
Ramp-up Rate
Required
3°C
second max.
Pre-heat
(150 ~ 200°C)
60~180 seconds
(sec.)
Time Maintained
Above 217°C
60~150 seconds
Peak Temp.
260 +0/-5°C
20~40 seconds
Ramp-down
Rate
6°C
second max.
Leadtrend Technology Corporation
LD6914-DS-00, July 2008
11
www.leadtrend.com.tw
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LD6914.PDF ] | |
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