B2117 Description Linear B2117 five terminal Dual positive r

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B2117 Description Linear B2117 five terminal Dual positive r

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Dual 1.0Amp Dropout
B2117
Description
Linear B2117 five terminal Dual positive regulator offered adjustable voltages 1.8V, 2.5V, 3.3V, 5Volts. output current capability 1.0Amp,. This device been optimized voltage where transient response minimum input voltage critical. Current limit trimmed ensure specified output current controlled short-circuit current. On-Chip thermal limiting provides protection against combination overload ambient temperatures that would create excessive junction temperatures. B2117 offered 5-pin SOT-263,
Features
Adjustable Output Down 1.2V Output Current 1.0Amp Dropout 1.0V B2117 Adjustable 1.8V, 2.5V, 3.3V 0.05% Load Regulation Current Thermal Limiting Lower Cost SOT-89 Package Available TO-263
Applications
High efficiency Linear Regulator Post regulators Switching Supplies Battery Charger 3.3V linear Regulators Motherboard Clock Supplies
Connection
Ordering Information
Devices
B2117S-X
X=output voltage
Package
TO-263
Temp.
VADJ VOUT Input VOUT VADJ
TO-263-5 Package
Linear,
2418 Armstrong Street, Livermore, 94550 Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com
B2117
Absolute Maximum Rating
Parameter
Maximum Input Voltage Operating Junction Temperature Range Storage Temperature Range Lead Temperature (Soldering Sec.)
Unit
Electrical Characteristics
(VIN TJ=25°C 10mA 1.0Amp, unless otherwise specified) Parameter Symbol Conditions
Reference Voltage 1117-adj, IOUT=10mA, VIN-VOUT=2V, TJ=25°C 1.5V(VIN-VOUT) 5.75V 10mAIOUTIFULL LOAD (VOUT+1.5)VIN7V, IOUT=10mA
1.238 1.225
1.250 1.250 0.005
1.262 1.275
UNIT
Line Regulation
(line)
Load Regulation
(LOAD)
Output Voltage
(Vin-Vout)=2V 10mAIOUTIFULL LOAD 1117-1.8 IOUT=10mA, VIN=3.8V, TJ=25°C 0IOUT1.0Amp, 3.2VVIN7V 1117-2.5 IOUT=10mA, VIN=4.5V, TJ=25°C 0IOUT1.0Amp, 4.0VVIN7V 1117-3.3 IOUT=10mA, VIN=5.0V, TJ=25°C 0IOUT1.0Amp, 4.8VVIN7V 1117-5.0 IOUT=10mA, VIN=6.0V, TJ=25°C 0IOUT1.0Amp, 6.5VVIN7V Control Input VPOWER=VOUT+0.8, ILOAD =10mA VPOWER=VOUT+0.8, ILOAD =1.0Amp, (Vin-Vout)=2V 1.5V(VIN-VOUT) 5.75V 30ms pulse 1000Hrs F=120Hz, CADJ=22µF, COUT=22µF Tantalum IOUT=IFULL LOAD, (Vin-Vout)=3V (Note
0.05
1.782 1.746 2.475 2.450 3.267 3.235 4.950 4.900
1.80 1.80 2.50 2.50 3.30 3.30 5.00 5.00 0.80 0.80
1.818 1.854 2.525 2.550 3.333 3.365 5.050 5.100 1.20 1.30
Dropout Voltage
IMIN LOAD
Current Limit Minimum Load Current Temperature Regulation Long Term Stability Temperature Stability Adjust Current Ripple Rejection Thermal Shutdown Thermal Shutdown Hysterics
0.004 0.03
0.02
Thermal Resistance Junction case Package
°C/W
Note: Output Switch tests performed under pulsed conditions minimize power dissipation
Linear,
2418 Armstrong Street, Livermore, 94550 Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com
B2117
TYPICAL CHRACTRISTICS
B2117-2.85
B2117-ADJ
Linear,
2418 Armstrong Street, Livermore, 94550 Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com
B2117
TYPICAL CHRACTRISTICS (Continued)
B2117-2.85
B2117-5.0
B2117-2.85
B2117-5.0 Line Transient Response
Linear,
2418 Armstrong Street, Livermore, 94550 Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com
B2117
Advance Information- These data sheets contain descriptions products that development. specifications based engineering calculations, computer simulations and/ initial prototype evaluation. Preliminary Information- These data sheets contain minimum maximum specifications that based initial device characterizations. These limits subject change upon completion full characterization over specified temperature supply voltage ranges.
application circuit examples only explain representative applications devices intended guarantee circuit design permit industrial property right other rights execute. Linear takes responsibility problems related industrial property right resulting from contents shown data book. Typical parameters vary different applications. Customer's technical experts must validate operating parameters including Typical" each customer application.
LIFE SUPPORT NUCLEAR POLICY Linear products authorized should used within life support systems which intended surgical implants into body support sustain life, aircraft, space equipment, submarine, nuclear facility applications without specific written consent Linear President.
Linear,
2418 Armstrong Street, Livermore, 94550 Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com

B2117 Description Linear B2117 five terminal Dual positive r

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