BAYLI B1117N-ADJ, B1117N-3.3, B1117N-2.85, B1117N-2.5, B1117N-1.8 Datasheet

...
Bay Linear, Inc
2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com
1.0Amp Low Dropout Voltage Regulator
B1117
Adjustable & Fix (0.40Volt Dropout)
Pin Connection
Devices Package Temp.
B1117D-X TO-252
0 °C to 125 °C
B1117N-X TO-223
0 °C to 125 °C
B1117T-X TO-220
0 °C to 125 °C
B1117S-X TO-263
0 °C to 125 °C
B1117M-X SO-8
0 °C to 125 °C
2
1
3
4
8
7
6
5
8-Pin Surface Mount
Top View
ADJ
OUT
OUT
N.C.
IN
NC
2
1
3
4
8
7
6
5
8-Pin Surface Mount
Top View
IN
IN
2
1
3
4
8
7
6
5
8-Pin Surface Mount
Top View
ADJ
OUT
OUT
N.C.
IN
NC
2
1
3
4
8
7
6
5
8-Pin Surface Mount
Top View
IN
IN
Description
The Bay Linear B1117 is a three terminal positive NPN regulator offered as adjustable or fix voltages of 1.5V,1.8V,
2.5V, 2.85V, 3.3V, and 5Volts. The output current has a capability up to
1.0Amp,. This device has been optimized for
low voltage where transient response and minimum input voltage are critical. The 2.85V version is designed specifically to be used in active terminators for SCSI bus.
Current limit is trimmed to ensure specified output current and controlled short-circuit current. On-Chip thermal limiting provides protection against any combination of overload and ambient temperatures that would create excessive junction temperatures.
The B1117 is offered in a 3-pin SOT-223, and TO-252 (DPAK) packages compatible with other 3 terminal regulators.
5-pin version in TO-263 with lower dropout of 0.4 volt is available.
Features
Adjustable Output Down to 1.2V
Output Current of 1.0Amp
Low Dropout 1.0V for B1117
Dropout of 0.40 V in for B1117A
Adjustable & Fix 1.5V, 1.8V, 2.5V, 2.85V,
3.0V, 3.3V, 5.0V
0.05% Load Regulation
Current & Thermal Limiting
Lower Cost SOT-89 Package
Available in SOT-223, and TO-252,
TO-263 & SO-8
Similar to industry Standard LT1117
Applications
Active SCSI terminators
High efficiency Linear Regulator
Post regulators fro Switching Supplies
Battery Charger
5V to 3.3V linear Regulators
Motherboard Clock Supplies
Front
TO-252
ADJ/GN
V
IN
V
OUT
1
2 3
IN
OUT Adj/GND
Tab V
OUT
Front View
SOT - 223
IN
OUT Adj/GND
Tab V
OUT
Front View
SOT - 223
V
POWER
OUTPUT
1
2
3
4
5
V
CONTROL
ADJ/GND.
SENSE
TO-263-5 Package
V
POWERVPOWER
OUTPUT
1
2
3
4
5
V
CONTROLVCONTROL
ADJ/GND.
SENSE
TO-263-5 Package
Bay Linear
Inspire the Linear Power
Tab V
OUT
SOT-223
Tab V
OUT
Front View
SOT-223 -5
4
1
5
23
#1 Sense #2 Adj/GND #3 OUT #4 Control #5 V
IN
Tab V
OUT
SOT-223
Tab V
OUT
Front View
SOT-223 -5
4
1
5
23
#1 Sense #2 Adj/GND #3 OUT #4 Control #5 V
IN
Bay Linear, Inc
2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com
B1117
Absolute Maximum Rating
Parameter Min Max Unit
Maximum Input Voltage 7.0 V Operating Junction Temperature Range 0 125 Storage Temperature Range -65 150 Lead Temperature (Soldering 10 Sec.) 300
°C
Electrical Characteristics
(VIN = 7V; TJ=25°C IO = 10mA to 1.0Amp, unless otherwise specified)
Parameter Symbol Conditions MIN TYP MAX UNIT
1.238 1.250 1.262 V
1.225 1.275
Reference Voltage VO 1117-adj, I
OUT
=10mA, VIN-V
OUT
=2V, TJ=25°C
1.5V(V
IN-VOUT
) 5.75V
10mA≤I
OUT≤IFULL LOAD
-2%
1.250
+2%
V
Line Regulation (1) REG
(line)
(V
OUT
+1.5)≤VIN≤7V, I
OUT
=10mA
0.005 0.2
Load Regulation (1) REG
(LOAD)
(Vin-V
out
)=2V
10mA≤I
OUT≤IFULL LOAD
T= 25 °C
0.05 0.5
%
1117-1.8 I
OUT
=10mA, VIN=3.8V, TJ=25°C
0I
OUT
1.0Amp, 3.2VVIN≤7V
1.782
1.746
1.80
1.80
1.818
1.854
V
1117-2.5 I
OUT
=10mA, VIN=4.5V, TJ=25°C
0I
OUT
1.0Amp, 4.0VVIN≤7V
2.475
2.450
2.50
2.50
2.525
2.550
V
1117-2.85 I
OUT
=10mA, VIN=4.85V, TJ=25°C
0I
OUT
1.0Amp, 4.35VVIN≤7V
2.820
2.790
2.85
2.85
2.880
2.910
V
1117-3.3 I
OUT
=10mA, VIN=5.0V, TJ=25°C
0I
OUT
1.0Amp, 4.8VVIN≤7V
3.267
3.235
3.30
3.30
3.333
3.365
V
Output Voltage VO
1117-5.0 I
OUT
=10mA, VIN=6.0V, TJ=25°C
0I
OUT
1.0Amp, 6.5VVIN≤7V
4.950
4.900
5.00
5.00
5.050
5.100
V
Dropout Voltage V
D
Control Input V
POWER=VOUT
+0.8, I
LOAD
=10mA
V
POWER=VOUT
+0.8, I
LOAD
=1.0Amp,
0.80
0.80
1.00
1.10
V
Dropout Voltage VD Power Input
V
CONTROL=VOUT
-+2.5V, I
LOAD
=1.0Amp,
0.35 0.40 V
Current Limit I
S
(Vin-V
out
)=2V
1.0 1.1 A
Minimum Load Current I
MIN LOAD
1.5V(VIN-V
OUT
) 5.75V
10 mA
Temperature Regulation T
A
T= 25 °C, 30ms pulse
0.004 0.02 %/W
Long Term Stability -
T= 25 °C, 1000Hrs
0.03 1.0 %
Temperature Stability T
S
0.5 %
Adjust pin Current -
T= 25 °C
35 120
µA
Ripple Rejection R
A
F=120Hz, C
ADJ
=22µF, C
OUT
=22µF Tantalum
I
OUT=IFULL LOAD
, (Vin-V
out
)=3V (Note 5)
60 75 dB
Thermal Shutdown 155
°C Thermal Shutdown Hysterics
10
°C
Thermal Resistance Junction to case
- SOT-223 DD Package
15
3.0
15
3.0
°C/W
Note: Output Switch tests are performed under pulsed conditions to minimize power dissipation
Bay Linear, Inc
2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com
B1117
TYPICAL CHRACTRISTICS
B1117-2.85
B1117-ADJ
Loading...
+ 4 hidden pages