파트넘버.co.kr B4500 데이터시트 PDF


B4500 반도체 회로 부품 판매점

500 mA Low Dropout Voltage Regulators



ETC 로고
ETC
B4500 데이터시트, 핀배열, 회로
Bay Linear
Inspire the Linear Power
500 mA Low Dropout Voltage Regulators
B4500
Preliminary Information
Description
Features
The B4500 series are a group of positive output voltage,
three-pin regulators, that provide a high current even
when the input/output voltage differential is small. Very
low power consumption, only 2µA typ., and high
accuracy is achieved though CMOS construction and
programmable fuse technologies. Output voltage: 2.0V
to 6.0V in 0.1V increments.
The B4500 consists of a high-precision voltage
reference, an error correction circuit, and a current
limited output driver.
Available in SOT223 (500mW) and SOT-89 (300mW)
packages minimizing the usage of board real state.
Maximum Output Current: 500 mA.
Highly accurate: Output voltage +/- 2%.
Only 2µA power Consumption.
Very Low Dropout:
0.11V @ 100mA
0.3V @ 300mA
0.5V @ 450mA
Offered in SOT-89 & SOT-223 Packages
Applications
Battery Powered Equipment
Notebook PC, Palmtops, PDA
Portable Cameras and Video Recorders
Reference Voltage Sources
Pin Connection
SOT-223 (N)
Vin
2
123
Vss Vin Vout
Top View
SOT-89 (R)
Vin
2
1 23
Vss Vin Vout
Top View
Ordering Information
Package
Part No.
SOT-223
B4500CN-X.X
SOT-89
B4500CR-X.X
X.X = Fixed Output Voltages from 2.0V to 6.0V
Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com


B4500 데이터시트, 핀배열, 회로
B4500
Absolute Maximum Ratings
Parameter
Input Voltage
Output Current
Output Voltage
Continual Total
Power Dissipation
Operating Ambient Temperature
Storage Temperature
SOT-223
SOT-89
Symbol
VIN
IOUT
VOUT
Pd
TOPR
TSTG
Ratings
6.5
800
VSS -0.3 to VIN 0.3
500
300
-30 to 80
-40 to 125
Units
V
mA
V
mW
°C
°C
Electrical Characteristics (Ta = 25°C, VIN = VOUT + 0.5V; unless otherwise noted)
Parameter
Conditions
MIN TYP MAX
Output Voltage
Line Regulation
VOUT/VIN-VOUT
Load Regulation
Maximum Output Current
IO = 0mA
IO = 0 to 500mA
IO =100mA,
(VOUT + 0.1V)<VIN<6V
VIN =6V, 0mA < IO < 500mA
COUT = 1µF
-1.4%
-2%
500
- +1.4%
- +2%
0.2 0.3
0.04
Current Limit
900
Ground Pin Current
Dropout Voltage
IOUT = 100mA
IO = 100mA
IO = 300 mA
26
110 160
300 450
Thermal Shutdown Temperature
IO = 500 mA
450
155
UNIT
V
%/V
%/mV
mA
µA
mV
°C
Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com




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