YOUDA INTEGRATED CIRCUIT
YD1117
LOW DROP FIXED AND ADJUSTABLE
POSITIVE VOLTAGE REGULATORS--YD1117
DESCRIPTION
The YD1117 is a LOW DROP Voltage Regulator able to provide up to 800mA of Output Current, available
even in adjustable version(Vref=1.25V).
FEATURES
*Low dropout voltage (1V typ)
*2.85V Device performances are suitable for scsi-2 active termination
*Output current up to 800mA
*Fixed output voltage of :2.5V, 2.85V, 3.0V, 3.3V, 5.0V
*Adjustable version availability (V
ref
=1.25V)
*Internal current and thermal limit
*Available in 1%(at 25)and 2% in all temperature range
*Supply voltage rejection : 75dB(TYP)
BLOCK DIAGRAM
+
-
VOLTAGE
GENERATOR
CURRENT
GENERATOR
THERMAL
COMPENSATION
THERMAL
PROTECTION
2
1
3
WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel: 86-510-85205117 86-510-85205106 Fax: 86-510-85205110 Website: www.e-youda.com
SHENZHEN OFFICE Tel 86-755-83740369 Fax 86-755-83741418
Ver 5.0 1 of 6 2006-7-10
YOUDA INTEGRATED CIRCUIT
YD1117
ABSOLUTE MAXIMUM RATINGS (
Tamb=25)
PARAMETER SYMBOL
VALUE
UNIT
DC Input Voltage
V
IN
15 V
Power Dissipation
P
tot
12 W
Storage Temperature
Range
T
sty
-40
to
150
Operating Junction
Temperature Range
T
op
0 to 125
ELECTRICAL CHARACTERISTICS FOR YD1117#25
(refer to the test circuits, Tj=0 to 125, Co=10
F
Unless otherwise specified)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX UNIT
Output Voltage
Vo
Vin=4.5V, Io=10mA, Tj=25 2.475
2.5 2.525 V
Output Voltage
Vo
Io=0 to 800mA, Vin=3.9 to 10V
2.45
2.55
V
Line Regulation
Vo
Vin=3.9 to 10V, Io=0mA
1
6
mV
Load Regulation
Vo
Vin=3.9V, Io=0 to 800mA
1
10
mV
Temperature Stability
Vo
0.5
%
Long Term Stability
Vo 1000hrs
Tj=125
0.3
%
Operating Input Voltage
Vin
Io=100mA
15
V
Quiescent Current
Id
Vin10V
5
10
mA
Output Current
Io
Vin=7.5V, Tj=25 800
950
1200
mA
Output Noise Voltage
eN
B=10Hz to 10KHz, Tj=25 100 V
Io=40mA, f=120Hz, Tj=25
Supply Voltage
Rejection
SVR
Vin=5.85V, Vripple=1Vpp
60 75
dB
Io=100mA 1
1.1
V
Io=500mA 1.05
1.15
V
Dropout Voltage
Vd
Io=800mA
1.10 1.2 V
Thermal Regulation
Tamb=25 30ms Pulse
0.01
0.1
%/W
ELECTRICAL CHARACTERISTICS FOR YD1117#28
(refer to the test circuits, Tj=0 to 125, Co=10
F
Unless otherwise specified)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX
UNIT
Output Voltage
Vo
Vin=4.85V, Io=10mA, Tj=25 2.82 2.85 2.88 V
Output Voltage
Vo
Io=0 to 800mA,
Vin=4.25 to 10V
2.79 2.91 V
Line Regulation
Vo
Vin=4.25 to 10V, Io=0mA
1
6
mV
Load Regulation
Vo
Vin=4.25V, Io=0 to 800mA
1
10
mV
Temperature Stability
Vo
0.5 %
Long Term Stability
Vo 1000hrs
Tj=125
0.3 %
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YOUDA INTEGRATED CIRCUIT
YD1117
Operating Input
Voltage
Vin Io=100mA
15
V
Quiescent Current
Id
Vin10V
5
10
mA
Output Current
Io
Vin=7.85V, Tj=25 800
950
1200
mA
Output Noise Voltage
eN
B=10Hz to 10KHz, Tj=25 100 V
Io=40mA, f=120Hz, Tj=25
Supply Voltage
Rejection
SVR
Vin=5.85V, Vripple=1Vpp
60 75
dB
Io=100mA 1
1.1
V
Io=500mA 1.05
1.15
V
Dropout Voltage
Vd
Io=800mA
1.10 1.2 V
Thermal Regulation
Tamb=25 30ms Pulse
0.01
0.1
%/W
ELECTRICAL CHARACTERISTICS FOR YD1117#30
(refer to the test circuits, Tj=0 to 125, Co=10
F
Unless otherwise specified)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX
UNIT
Output Voltage
Vo
Vin=5V, Io=10mA, Tj=25
2.97 3 3.03 V
Output Voltage
Vo
Io=0 to 800mA,
Vin=4.5 to 10V
2.94 3.06 V
Line Regulation
Vo
Vin=4.5 to 12V, Io=0mA
1
6
mV
Load Regulation
Vo
Vin=4.5V, Io=0 to 800mA
1
10
mV
Temperature Stability
Vo
0.5
%
Long Term Stability
Vo 1000hrs
Tj=125
0.3
%
Operating Input
Voltage
Vin Io=100mA
15
V
Quiescent Current
Id
Vin12V
5
10
mA
Output Current
Io
Vin=8V, Tj=25
800 950 1200 mA
Output Noise Voltage
eN
B=10Hz to 10KHz, Tj=25
100 v
Supply Voltage
Rejection
SVR
Io=40mA f=120Hz, Tj=25,
Vin=6V, Vripple=1Vpp
60 75
dB
Io=100mA 1
1.1
V
Io=500mA 1.05
1.15
V
Dropout Voltage
Vd
Io=800mA
1.10 1.2 V
Thermal Regulation
Tamb=25 30ms Pulse
0.01
0.1
%/W
ELECTRICAL CHARACTERISTICS FOR YD1117#33
(refer to the test circuits, Tj=0 to 125, Co=10
F
Unless otherwise specified)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX
UNIT
Output Voltage
Vo
Vin=5.3V, Io=10mA,
Tj=25
3.267
3.3 3.333 V
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YOUDA INTEGRATED CIRCUIT
YD1117
Output Voltage
Vo
Io=0 to 800mA, Vin=4.75 to
10V
3.235
3.365 V
Line Regulation
Vo
Vin=4.75 to 15V, Io=0mA
1
6
mV
Load Regulation
Vo
Vin=4.75V, Io=0 to 800mA
1
10
mV
Temperature Stability
Vo
0.5
%
Long Term Stability
Vo 1000hrs
Tj=125
0.3
%
Operating Input
Voltage
Vin Io=100mA
15
V
Quiescent Current
Id
Vin15V
5
10
mA
Output Current
Io
Vin=8.3V, Tj=25 800
950
1200
mA
Output Noise Voltage
eN
B=10Hz to 10KHz, Tj=25 100 V
Io=40mA, f=120Hz, Tj=25
Supply Voltage
Rejection
SVR
Vin=6.3V, Vripple=1Vpp
60 75
dB
Io=100mA 1
1.1
V
Io=500mA 1.05
1.15
V
Dropout Voltage
Vd
Io=800mA
1.10 1.2 V
Thermal Regulation
Tamb=25 30ms Pulse
0.01
0.1
%/W
ELECTRICAL CHARACTERISTICS FOR YD1117#50
(refer to the test circuits, Tj=0 to 125, Co=10
F
Unless otherwise specified)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX
UNIT
Output Voltage
Vo
Vin=7V, Io=10mA, Tj=25 4.95 5 5.05 V
Output Voltage
Vo
Io=0 to 800mA ,
Vin=6.5 to 15V
4.9 5.1 V
Line Regulation
Vo
Vin=6.5 to 15V, Io=0mA
1
10
mV
Load Regulation
Vo
Vin=6.5V, Io=0 to 800mA
1
15
mV
Temperature Stability
Vo
0.5
%
Long Term Stability
Vo 1000hrs
Tj=125
0.3
%
Operating Input
Voltage
Vin Io=100mA
15
V
Quiescent Current
Id
Vin15V
5
10
mA
Output Current
Io
Vin=10V, Tj=25
800 950 1200 mA
Output Noise Voltage
eN
B=10Hz to 10kHz, Tj=25 100 V
Io=40mA, f=120Hz, Tj=25
60 75 dB
Supply Voltage
Rejection
SVR
Vin=8V,
Vripple=1Vpp
Io=100mA
1
1.1
V
Io=500mA
1.05
1.15
V
Dropout Voltage
Vd
Io=800mA
1.10
1.2
V
Thermal Regulation
Tamb=25 30ms Pulse
0.01
0.1
%/W
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YOUDA INTEGRATED CIRCUIT
YD1117
ELECTRICAL CHARACTERISTICS FOR YD1117
(ADJUSTABLE)
(refer to the test circuits, Tj=0 to 125, Co=10F Unless otherwise specified)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX UNIT
Reference Voltage
Vref
Vin-Vo=2V, b=10mA, Tj=25
1.238 1.25 1.262
V
Reference Voltage
Vref
Io=10 to 800mA,
Vin-Vo=1.4 to 10V
1.225 1.275
V
Line Regulation
Vo
Vin-Vo=1.5 to 13.75V,
Io=10mA
0.035
0.2 %
Load Regulation
Vo
Vin-Vo=3V, Io=10 to 800mA
0.1
0.4
%
Temperature Stability
Vo
0.5
%
Long Term Stability
Vo 1000hrs
Tj=125
0.3
%
Operating Input Voltage
Vin
15
V
Adjustment Pin Current
Iadj
Vin15V
60
120
V
Adjustment Pin Current
Change
Iadj
Vin-Vo=1.4to10V,
Io=10 to 800mA
1 5
V
Minimum Load Current
Io(min)
Vin=15V
2
5
mA
Output Current
Io
Vin-Vo=5V, Tj=25 800
950
1200
mA
Output Noise Voltage
eN
B=10Hz to 10KHz, Tj=25
0.003
%
Io=40mA, f=120Hz, Tj=25
Supply Voltage Rejection
SVR
Vin-Vo=3V, Vripple=1Vpp
60 75
dB
Io=100mA 1
1.1
V
Io=500mA 1.05
1.15
V
Dropout Voltage
Vd
Io=800mA
1.10 1.2 V
Thermal Regulation
Tamb=25 30ms Pulse
0.01
0.1
%/W
APPLICATION CIRCUIT
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