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PDF LD6915 Datasheet ( Hoja de datos )

Número de pieza LD6915
Descripción Ultra-Fast CMOS LDO Regulator
Fabricantes Leadtrend 
Logotipo Leadtrend Logotipo

Total 14 Páginas
		
LD6915 Hoja de datos, Descripción, Manual
LD6915
6/6/2008
300mA, Low Noise, Ultra-Fast CMOS LDO Regulator with
Soft Start Function
REV: 00
General Description
The LD6915 is a micropower linear regulator, featuring
low-noise, low-dropout and high ripple rejection ration. The
precision of feedback reference voltage is within ±2% and
output current is up to 300mA. As well, the LD6915 can be
stable with an output capacitor of 1μF which reduces the
board space and cost.
The LD6915 is available in a space saving SOT23-5,
SC70-5 and SC82-4 package.
+Patented
Features
z Shutdown current <1μA
z Ultra-Fast Response in Load Transient
z High PSRR 65dB@1kHz
z Thermal Shutdown and Current Limiting Protection
z VOUT Discharge Function
z Stable with 1μF Output Capacitor
z Soft Start Operation
z Output Voltage: 1.5V to 3.3V
Applications
z Battery-Powered Equipment
z Hand-Held Instruments
Typical Application
V IN V IN
1μF/X 5R CIN
CE
OUT
LD6915
22nF
(Option)
SS
G ND
V O UT
C OUT 1μF/X5R
Fig.1 Typical Application Circuit
Leadtrend Technology Corporation
LD6915-DS-00, June 2008
1

1 page

LD6915 pdf
LD6915
Electrical Characteristics
(VIN=VOUT+1V, TA = 25 oC, unless otherwise stated. CIN=COUT=1μF, CSS=22nF; the LD6915 is tested with 3.3V output, unless
other stated.) (Note 1)
PARAMETER
INPUT POWER
Input Voltage
Quiescent Current
Shutdown Supply Current
Dropt Voltage
Dropt Voltage (Note2)
Soft Start
Soft Start Current
OUTPUT
OUTPUT
Output Current Limit
Output Voltage Accuracy
Line Regulation
Load Regulation
Ripple Rejection
Output Noise Voltage
Discharge Resistance in shutdown
CONDITIONS
CE>1.5V, IOUT=0mA
CE=GND
IOUT=200mA, VOUT3.0V
IOUT=300mA, VOUT 3.0V
IOUT=200mA, 2.5VVOUT<3.0V
IOUT=300mA, 2.5VVOUT<3.0V
IOUT=200mA, 2.0VVOUT<2.5V
IOUT=300mA, 2.0VVOUT<2.5V
RLOAD=1Ω
IOUT=1mA
VIN=Vout+1V, to 5.5V,
IOUT=1mA
1mA<IOUT<300mA
F=1kHz, EIN=1Vrms,
IOUT=10mA
F=10kHz, EIN=1Vrms,
IOUT=10mA
VOUT=3.3V,100Hz~100kHz
IOUT=0mA, Css=22nF
CE=High to Low
MIN
2.8
-
-
-
330
-2
-
-
-
-
-
TYP
-
270
0.1
MAX UNITS
5.5 V
330 μA
1 μA
170 220 mV
240 mV
190 250 mV
270 mV
255 330 mV
350 mV
7.5 - μA
420
0.05
65
55
100
120
- mA
+2 %
0.2 %/V
0.6 %
- dB
- dB
- μVrms
250 Ω
Leadtrend Technology Corporation
LD6915-DS-00, June 2008
5

5 Page

LD6915 arduino
SC70-5
LD6915
Symbol
A
B
C
D
E
F
H
I
J
M
θ
Dimension in Millimeters
Min Max
1.800
2.200
1.150
1.350
0.800
1.100
0.150
0.400
1.300 TYP.
0.650 TYP.
0.080
0.250
0.000
0.100
1.800
2.400
0.100
0.460
0° 8°
Dimensions in Inches
Min Max
0.071
0.087
0.045
0.053
0.031
0.043
0.006
0.016
0.051 TYP.
0.026 TYP.
0.003
0.010
0.000
0.004
0.071
0.094
0.004
0.018
0° 8°
Leadtrend Technology Corporation
LD6915-DS-00, June 2008
11

11 Page


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