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LD3117L-29-AE3-I-R 数据表(PDF) 3 Page - Unisonic Technologies

部件名 LD3117L-29-AE3-I-R
功能描述  500mA LOW DROPOUT LINEAR VOLTAGE REGULATORS
PDF  4 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

LD3117L-29-AE3-I-R 数据表(HTML) 3 Page - Unisonic Technologies

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LD3117
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
3 of 4
www.unisonic.com.tw
QW-R102-104.a
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage VIN
VIN
-0.3 ~ +20
V
Power Dissipation
PD
295
mW
Operating Temperature
TOPR
-40 ~ +85
°C
Storage Temperature
TSTG
-65 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
UNIT
Junction to Ambient
θJA
335
°C/W
ELECTRICAL CHARACTERISTICS (TA=25°C, CIN=1μF, COUT=10μF, unless otherwise specified)
For LD3117-1.5V, 1.8V, 2.2V, 2.5V, 2.7V, 2.8V, 2.9V, 3.0V
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
1.47
1.50
1.53
V
1.77
1.80
1.83
V
2.16
2.20
2.24
V
2.45
2.50
2.55
V
2.65
2.70
2.75
V
2.74
2.80
2.86
V
2.84
2.90
2.96
V
Output Voltage
VOUT
IL=2mA, VIN-VOUT=1.4V
2.94
3.00
3.06
V
Dropout Voltage (Note 4,5)
VD
IL=500mA
1.5
V
Line Regulation
∆VOUT
IL=2mA, VIN-VOUT=2V ~ VIN=9V
0.5
%VOUT
Load Regulation (Note 2)
∆VOUT
IL=2mA ~ 500mA, VIN-VOUT =2V
10
50
mV
Current Limit (Note 3)
ILIMIT
VIN-VOUT=2V, VOUT=0V
550
mA
Standby Current
IST-BY
IL=0, VIN=9V
5.0
mA
For LD3117-ADJ 3.3V, 3.5V, 3.6V, 3.7V, 4.7V, 5.0V
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ADJUSTABLE (R1=120Ω, R2=200Ω, VOUT=3.3V)
Reference Voltage
VREF
VIN-VOUT=2V, IL=2mA
1.238 1.250 1.262
V
3.23
3.30
3.37
V
3.43
3.50
3.57
V
3.53
3.60
3.67
V
3.63
3.70
3.77
V
4.61
4.70
4.79
V
Output Voltage-LD3117
VOUT
IL=2mA, VIN-VOUT=1.4V
4.90
5.00
5.10
V
LD3117
VD
IL=500mA
1.3
V
Dropout Voltage
(Notes 4, 5)
LD3117-ADJ
VD
IL=500mA
1.5
V
Line Regulation
∆VOUT
IL=2mA, VIN-VOUT=2V ~ VIN=12V
0.5
%VOUT
Load Regulation
(Note 2)
∆VOUT
IL=2mA ~ 500mA, VIN-VOUT =2V
10
50
mV
Current Limit (Note 3)
ILIMIT
VIN-VOUT=2V, VOUT=0V
550
mA
Standby current
IST-BY
IL=0, VIN=12V
5.0
mA
Adjust Pin Current
IADJ
VIN=12V
200
μA
Adjust Pin Current Change
∆IADJ
VIN=2.75V~12V, IL=1mA~500mA
5
μA
Notes: 1. Guaranteed by design.
Note 2. Regulation is measured at constant junction temperature, using pulsed ON time.
Note 3. Current Limit is measured at constant junction temperature, using pulsed ON time.
Note 4. Dropout is measured at constant junction temperature, using pulsed ON time, and the criterion is VOUT
inside target value±2%.
Note 5: Dropout test is skipped at the condition of VIN<3V.



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