AZ317 adjustable three-terminal positive voltage regulator with very d
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Data Sheet 3-TERMINAL ADJUSTABLE VOLTAGE REGULATOR General Description
AZ317 adjustable three-terminal positive voltage regulator with very dropout 1.2V output current. Using external resistors, AZ317 provide adjustable output voltage down 1.25V. AZ317 includes circuit trimmed bandgap reference assure output voltage accuracy within also provides current limiting thermal shutdown. current limit trimmed ensure specified output current controlled short-circuit current. On-chip thermal limiting provides protection against combination overload ambient temperature that would create excessive junction temperature. AZ317 available standard SOT-223, TO220-3, TO-252-2 TO-263-3 power packages.
AZ317
Typical Output Voltage Tolerance Typical 0.01%/V Line Regulation Typical 0.2% Load Regulation Very Dropout Voltage: 1.2V Output Current Trimmed Current Limit On-chip Thermal Protection Operation Junction Temperature: 125oC
Applications
Motherboard Monitor Graphic Card Player Network Interface Card/Switch Telecom Equipment Printer other Peripheral Equipment
SOT-223
TO-220-3
TO-252-2
TO-263-3
Figure Package Types AZ317
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL ADJUSTABLE VOLTAGE REGULATOR Configuration
Package (SOT-223)
VOUT INPUT OUTPUT VOUT
AZ317
Package (TO-220-3)
INPUT OUTPUT
Package (TO-252-2(1))
VOUT INPUT OUTPUT
Package (TO-263-3)
INPUT OUTPUT
Figure Configuration AZ317 (Top View)
Functional Block Diagram
INPUT
Thermal Shutdown
Current Limiter
OUTPUT
Figure Functional Block Diagram AZ317 Mar. 2007 Rev. Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL ADJUSTABLE VOLTAGE REGULATOR Ordering Information AZ317
AZ317 Circuit Type
Lead Free
Blank: Lead
Tape Reel
Package
SOT-223 TO-220-3 TO-252-2 TO-263-3
Blank: Tube
Package SOT-223 TO-220-3 TO-252-2
Temperature Range 125oC 125oC
Part Number Lead AZ317HTR AZ317T AZ317D AZ317DTR AZ317S AZ317STR Lead Free AZ317HTR-E1 AZ317T-E1 AZ317D-E1 AZ317DTR-E1 AZ317S-E1 AZ317STR-E1 Lead 317H AZ317T AZ317D AZ317D AZ317S AZ317S
Marking Lead Free EH31A AZ317T-E1 AZ317D-E1 AZ317D-E1 AZ317S-E1 AZ317S-E1
Packing Type Tape Reel Tube Tube Tape Reel Tube Tape Reel
125oC 125oC
TO-263-3
Semiconductor's Pb-free products, designated with "E1" suffix part number, RoHS compliant.
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL ADJUSTABLE VOLTAGE REGULATOR Absolute Maximum Ratings (Note
Parameter Input Voltage Maximum Junction Temperature Storage Temperature Lead Temperature (Soldering, 10sec) (Human Body Model) Symbol TLEAD 4000 Unit
AZ317
Note1: Stresses greater than those listed under "Absolute Maximum Ratings" cause permanent damage device. These stress ratings only, functional operation device these other conditions beyond those indicated under "Recommended Operating Conditions" implied. Exposure "Absolute Maximum Ratings" extended periods affect device reliability.
Recommended Operating Conditions
Parameter Input Voltage Operating Junction Temperature Range Symbol VOUT+2 Unit
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL ADJUSTABLE VOLTAGE REGULATOR Electrical Characteristics
(Typicals limits apply =25oC, Maximum Power Dissipation unless otherwise specified.)(Note
Parameter Reference Voltage Line Regulation Load Regulation Thermal Regulation Dropout Voltage Current Limit Adjust Current Adjust Current Change Minimum Load Current Ripple Rejection Temperature Stability Long -Term Stability Output Noise VOUT) Thermal Resistance, Junction Case =125oC, 1000hrs 1.4V(VIN-VOUT) 10V, 10mA IOUT (VIN-VOUT) =120Hz, COUT =1µF Tantalum, (VIN-VOUT) IOUT ILIMIT Symbol VREF Conditions 10mAIOUT1A, (VIN-VOUT) IOUT 20mA, 3VVIN-VOUT10V -VOUT 10mAIOUT1A 20ms Pulse IOUT (VIN-VOUT) 1.20 1.25 0.01 0.04 0.003 1.30 0.04 0.07 Unit
oC/W
AZ317
TA=25oC, 10Hz 10kHz SOT-223 TO-252 TO-220 TO-263 Junction Temperature
Thermal Shutdown Thermal Shutdown Hysteresis
Note Maximum Power Dissipation Package Type Case Temperature dependent. Please Figure
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL ADJUSTABLE VOLTAGE REGULATOR Typical Performance Characteristics AZ317
Output Voltage Deviation
TA=0 Dropout Voltage
VOUT=3.3V
TA=25
TA=120
-0.2
Output Current
Ambient Temperature
Figure Dropout Voltage Output Current
Figure Load Regulation Temperature
1.260 1.255
3.40
Reference Voltage
1.250 1.245 1.240 1.235 1.230 1.225 1.220
VOUT=3.3V
Output Voltage
3.35
VOUT=3.3V IOUT=30mA
IOUT=30mA
3.30
3.25
3.20
3.15
1.215 1.210
3.10
Ambient Temparature
Ambient Temperature
Figure Reference Voltage Temperature
Figure Output Voltage Temperature
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL ADJUSTABLE VOLTAGE REGULATOR Typical Performance Characteristics (Continued) AZ317
Minimum Load Current (mA)
VOUT=3.3V IOUT=30mA
Adjust Current
VOUT=3.3V
Ambient Temperature
Ambient Temperature(
Figure Minimum Load Current Temperature
Figure Adjust Current Temperature
2.00
10.0
Short-Circuit Current
1.75
1.50
Power
SOT-
1.25
1.00
Junction Temperature
Case Temperature
Figure Short-Circuit Current Temperature
Figure Maximum Power Dissipation
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL ADJUSTABLE VOLTAGE REGULATOR Typical Performance Characteristics (Continued)
Line_transient_response VIN=4.8V, VOUT=3.33V, CIN=1µ,COUT=10µ (TAN)
AZ317
VIN=8.3V Ripple Rejection (dB)
VOUT=3.3V
VOUT
VIN=5.8V
VIN=4.8V
100k
Frequency (Hz)
Figure Ripple Rejection Frequency
Figure Line Transient Response
Line_transient_response VIN=4.8V, VOUT=3.33V, CIN=COUT=10µ (TAN) preload=0.1A
VOUT
IOUT=0.5A
IOUT=0.1A
Figure Load Transient Response
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL ADJUSTABLE VOLTAGE REGULATOR Typical Application AZ317
AZ317
0.1µF
INPUT
OUTPUT
VOUT 1.0µF
required regulator located near power supply filter. needed stability improves transient response. VOUT VREF (1+R2/R1) IADJ Since IADJ controlled less than 100µA, error associated with this term negligible most applications. Figure Typical Application AZ317
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL ADJUSTABLE VOLTAGE REGULATOR Mechanical Dimensions SOT-223 Unit: mm(inch) AZ317
6.300(0.248) 6.700(0.264) 2.900(0.114) 3.100(0.122) 0.900(0.035) 6.700(0.264) 7.300(0.287)
0.250(0.010 0.350(0.0
3.300(0.130)
3.700(0.146)
0.250(0.010)
1.750(0.069) 2.300(0.091) 4.500(0.177) 4.700(0.185) 0.610(0.024) 0.810(0.032)
0.020(0.001) 0.100(0.004)
1.500(0.059) 1.700(0.067)
1.520(0.060) 1.800(0.071)
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL ADJUSTABLE VOLTAGE REGULATOR Mechanical Dimensions (Continued) TO-220-3 Unit: mm(inch) AZ317
9.660(0.380) 10.660(0.420) 3.560(0.140) 4.060(0.160)
2.580(0.102) 3.380(0.133)
0.550(0.022) 1.350(0.053)
1.850(0.073)
0.200(0.008)
14.230(0.560) 16.510(0.650)
1.500(0.059)
8.520(0.335) 9.520(0.375)
27.880(1.098) 30.280(1.192)
3.560(0.140) 4.820(0.190) 2.080(0.082) 2.880(0.113)
1.160(0.046) 1.760(0.069)
0.381(0.015)
0.813(0.032)
8.763(0.345)
0.381(0.015) 2.540(0.100) 2.540(0.100)
0.356(0.014) 0.406(0.016)
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL ADJUSTABLE VOLTAGE REGULATOR Mechanical Dimensions (Continued) TO-252-2(1) Unit: mm(inch) AZ317
1.350(0.053) 1.650(0.065)
6.350(0.250) 6.650(0.262) 5.200(0.205) 5.400(0.213) 0.430(0.017) 0.580(0.023)
2.200(0.087) 2.400(0.094)
4.300(0.169) 5.400(0.212)
0.600(0.024) 0.900(0.035)
9.500(0.374) 9.900(0.390)
0.000(0.000) 0.127(0.005) 0.700(0.028) 0.900(0.035) 0.500(0.020) 0.700(0.028) 4.500(0.177) 4.700(0.165)
5.400(0.213) 5.700(0.224)
1.400(0.055) 1.780(0.070)
0.430(0.017) 0.580(0.023)
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
2.550(0.100) 2.900(0.114)
2.300TYP
3.800REF(0.150REF)
4.800(0.189) 6.500(0.256)
Data Sheet 3-TERMINAL ADJUSTABLE VOLTAGE REGULATOR Mechanical Dimensions (Continued) TO-263-3 Unit: mm(inch) AZ317
4.070(0.160) 4.820(0.190)
9.650(0.380) 10.290(0.405) 8.840(0.348)
1.270(0.050) 1.390(0.055)
1.150(0.045) 1.390(0.055)
7.420(0.292)
8.640(0.340) 9.650(0.380)
0.020(0.001) 0.250(0.010)
14.760(0.581) 15.740(0.620) 2.390(0.094) 2.690(0.106)
1.150(0.045) 1.390(0.055) 0.510(0.020) 0.990(0.039) 2.540(0.100) 2.540(0.100)
2.640(0.104) 2.700(0.106) 0.360(0.014) 0.400(0.016) 2.200(0.087)
5.600(0.220)
7.980(0.314)
0.380(0.015) 2.540(0.100) 2.540(0.100)
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
http://www.bcdsemi.com
IMPORTANT NOTICE Semiconductor Manufacturing Limited reserves right make changes without further notice products specifications herein. Semiconductor Manufacturing Limited does assume responsibility products particular purpose, does Semiconductor Manufacturing Limited assume liability arising application products circuits. Semiconductor Manufacturing Limited does convey license under patent rights other rights rights others.
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