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PDF UC62150 Data sheet ( Hoja de datos )
| Número de pieza | UC62150 | |
| Descripción | CMOS IC | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UNISONIC TECHNOLOGIES CO., LTD
UC621XX
BOOSTING VOLTAGE
REGULATORS
CMOS IC
DESCRIPTION
The UTC UC621XX is a positive output voltage regulator that can
supply up to 1A of output current using an external transistor. Low
power and high accuracy are achieved through CMOS process and
metal fuses trimming technologies.
The series consists of a high precision voltage reference, an error
correction circuit and a short-circuit protected output driver.
In stand-by mode, supply current can be dramatically cut. Since
the input-output voltage differential is small, loss control efficiency is
good.
The UTC UC621XX is particularly suited for use with battery
operated portable products, and products where supply current
regulation is required.
1
2
3
5
4
SOT-25
*Pb-free plating product number: UC621XXL
FEATURES
* Ultra Small Input-Output Voltage Differential
: 100mA of output current is available with a differential of 0.1V.
(Performance depends on the external transistor characteristics.)
* Maximum Output Current : 1A
* Output Voltage Range : 2V ~ 6V in 0.1V increments
* Highly Accurate : Set-up voltage ±2%
* Low Power Consumption : Typ.50µA (VOUT = 5.0V)
: Typ.0.2µA (Stand-by)
* Output Voltage Temperature Characteristics: Typ. ±100ppm/
* Input Stability : Typ.0.1%/V
ORDERING INFORMATION
Order Number
Normal
Lead Free Plating
Package
UC621xx-AF5-R
UC621xxL-AF5-R
SOT-25
Note: xx: Output Voltage, refer to Marking Information.
Packing
Tape Reel
UC621xxL-AF5-R
(1)Packing Type
(2)Package Type
(3)Lead Plating
(4)Output Voltage Code
(1) R: Tape Reel
(2) AF5: SOT-25
(3) L: Lead Free Plating, Blank: Pb/Sn
(4) xx: refer to Marking Information
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co., Ltd
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UC621XX
CMOS IC
ELECTRICAL CHARACTERISTICS(Cont.)
UC62140 (VOUT(T)=4.0V)
PARAMETER
Output Voltage (Note2)
Input Voltage
EXT Output Voltage
CE Level Voltage
High
Low
Load Stability (Note 4)
Input-Output Voltage Differential
Maximum Output Current(Note 4)
Supply Current1
Supply Current2
EXT Leakage Current
CE Level Current
High
Low
Input Stability (Note 4)
Output Voltage Temperature
Characteristics (Note 4)
SYMBOL
TEST CONDITIONS
VOUT(E) IOUT =50mA, VIN =5.0V
VIN
VEXT
VCEH
VCEL
VOUT
VIN =5.0V, 1mA IOUT 100mA
VDIFF
IOUT =100mA
IOUT (max) VIN =5.0V
Iss1
VIN =5.0V, VCE =Vss
Iss2
VIN =8.0V, VCE =VIN
ILEAK
ICEH
VCE =VIN
ICEL
VOUT
VIN VOUT
VCE =Vss
IOUT =50mA, 5.0V≤VIN≤8.0V
VOUT
TOPR VOUT
IOUT =10mA,
-20
≤TOPR≤85
MIN TYP MAX UNIT
3.92 4.000 4.08
V
8V
8V
1.5 V
0.25 V
-60 60 mV
100 mV
1000
mA
0.6 µA
50 80 µA
0.5 µA
0.1 µA
-0.2 -0.05 0
µA
0.1 0.3 %/V
100 ppm/
UC62150 (VOUT(T) =5.0V)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Output Voltage (Note2)
Input Voltage
VOUT(E)
VIN
IOUT =50mA, VIN =6.0V
4.900 5.000 5.100
8
V
V
EXT Output Voltage
VEXT
8V
CE Level Voltage
High
Low
VCEH
VCEL
1.5 V
0.25 V
Load Stability (Note 4)
Input-Output Voltage Differential
VOUT VIN =6.0V, 1mA ≤ IOUT ≤100mA
-60
60 mV
VDIFF
IOUT =100mA
100 mV
Maximum Output Current(Note 4)
Supply Current1
IOUT (max)
Iss1
VIN =6.0V
VIN=6.0V, VCE =Vss
1000
0.6
mA
µA
Supply Current2
EXT Leakage Current
Iss2
ILEAK
VIN=8.0V, VCE =VIN
50 80 µA
0.5 µA
CE Level Current
High
Low
ICEH
ICEL
VCE =VIN
VCE =Vss
0.1
-0.2 -0.05 0
µA
µA
Input Stability (Note 4)
VOUT
VIN×VOUT
IOUT=50mA, 6.0V≤VIN ≤8.0V
0.1 0.3 %/V
Output Voltage Temperature
Characteristics (Note 4)
VOUT
TOPR×VOUT
IOUT =10mA, -20
≤TOPR ≤85
±100
ppm/
Note: 1. VOUT(T)=Specified Output Voltage.
2. VOUT(E) =Effective Output Voltage (i.e. the output voltage when "VOUT(T)+1.0V" is provided at the VIN pin while
maintaining a certain IOUT value).
3. VDIFF = {VIN1 -VOUT1 }
*VOUT1 = A voltage equal to 98% of the Output Voltage whenever an amply stabilized IOUT {VOUT(T)+1.0V} is
input.
*VIN1 = The Input Voltage when VOUT1 appears as Input Voltage is gradually decreased.
4. The characteristics for those parameters marked with an asterisk* are liable to vary depending on which
transistor is used. Please use a transistor with a low saturation voltage level and hFE equal to 100 or more.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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UC621XX
TYPICAL CHARACTERISTICS(Cont.)
(6) SUPPLY CURRENT vs. AMBIENT TEMPERATURE
UC62130
50 VIN=4.0V
40
30
20
10
0
-40 -20 0 20 40 60 80 100
Ambient Temperature, TOPR ( )
UC62140
50 VIN = 5V
40
30
20
10
0
-40 -20 0 20 40 60 80 100
Ambient Temperature, TOPR ( )
(7) INPUT TRANSIENT RESPONSE
UC62130
6
IOUT = 10 mA
3.4
CL=10µF (tantalum)
5 3.3
Input Voltage
4 3.2
3 3.1
Output Voltage
2 3.0
1 2.9
Time (0.4msec /div)
CMOS IC
UC62133
50 VIN=4.3V
40
30
20
10
0
-40 -20 0 20 40 60 80 100
Ambient Temperature, TOPR ( )
UC62150
50 VIN = 6V
40
30
20
10
0
-40 -20 0 20 40 60 80 100
Ambient Temperature, TOPR ( )
UC62130
6
IOUT =100mA
3.4
CL=10µF (tantalum)
5 3.3
Input Voltage
4 3.2
3 3.1
Output Voltage
2 3.0
1 2.9
Time (0.4msec/div)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet UC62150.PDF ] | |
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