參數(shù)資料
型號： R35LD20-TB5-T
廠商： UNISONIC TECHNOLOGIES CO LTD
元件分類： 固定正電壓單路輸出LDO穩(wěn)壓器
英文描述： 3.5 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, ZFM5
封裝： TO-220B, 5 PIN
文件頁數(shù)： 5/10頁
文件大?。?/td> 112K
代理商： R35LD20-TB5-T
RXXLD20
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 10
www.unisonic.com.tw
QW-R102-015.D
ABSOLUTE MAXIMUM RATINGS (Ta=25 )
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage(Note1)
VIN
20
V
ON/OFF Control Terminal Voltage(Note1)
Vc
20
V
Output Current
IOUT
2.0
A
No Heat Sink
1.4
W
Power Dissipation
With Heat Sink
PD
15
W
Junction Temperature(Note2)
TJ
150
°C
Operating Temperature
TOPR
-20 ~ +80
°C
Storage Temperature
TSTG
-40 ~ +150
°C
Note1 : All are open except GND and applicable terminals.
Note2 : Overheat protection may operate at 125
TJ
150
°C
ELECTRICAL CHARACTERISTICS (Refer to the test circuits, unless otherwise specified, Ta=25°C)
For R33LD20(3.3V)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage
VOUT
VIN=5V, IOUT=1A
3.201
3.3
3.399
V
Line Regulation
V
OUT
VIN=4 ~ 10V, IOUT=5mA
0.1
2.5
%
Load Regulation
V
OUT
VIN=5V, IOUT=5mA ~ 2.0A
0.1
2.0
%
Temperature Coefficient of Output Voltage
TcVo
TJ=0 ~ 125°C,IOUT=5mA
±0.02
%/
°C
Ripple Rejection
RR
Refer to Fig.2
45
55
dB
Dropout Voltage
VD
(Note1), IOUT=2A
0.5
V
ON
VC(ON)
VIN=5V
2.0
V
Voltage for Control(Note2)
OFF
VC(OFF)
VIN=5V
0.8
V
ON
IC(ON)
VC=2.7V,VIN=5V
20
A
Current for Control
OFF
IC(OFF)
VC=0.4V, VIN=5V
-0.4
mA
Quiescent Current
IQ
IOUT=0A, VIN=5V
10
mA
For R35LD20(3.5V)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage
VOUT
VIN=5.5V, IOUT=1A
3.395
3.5
3.605
V
Line Regulation
V
OUT
VIN=4.5 ~ 10.5V, IOUT=5mA
0.1
2.5
%
Load Regulation
V
OUT
VIN=5.5V, IOUT=5mA ~ 2.0A
0.1
2.0
%
Temperature Coefficient of Output Voltage
TcVo
TJ=0 ~ 125°C,IOUT=5mA
±0.02
%/
°C
Ripple Rejection
RR
Refer to Fig.2
45
55
dB
Dropout Voltage
VD
(Note1), IOUT=2A
0.5
V
ON
VC(ON)
VIN=5V
2.0
V
Voltage for Control(Note2)
OFF
VC(OFF)
VIN=5V
0.8
V
ON
IC(ON)
VC=2.7V,VIN=5.5V
20
A
Current for Control
OFF
IC(OFF)
VC=0.4V, VIN=5.5V
-0.4
mA
Quiescent Current
IQ
IOUT=0A, VIN=5.5V
10
mA
For R05LD20(5V)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage
VOUT
VIN =7V, IOUT=1A
4.85
5.0
5.15
V
Line Regulation
V
OUT
VIN =6 ~ 12V, IOUT=5mA
0.5
2.5
%
Load Regulation
V
OUT
VIN =7V, IOUT=5mA ~ 2.0A
0.1
2.0
%
Temperature Coefficient of Output Voltage
TcVo
TJ=0 ~ 125°C, IOUT=5mA
±0.02
%/
°C
Ripple Rejection
RR
Refer to Fig.2
45
55
dB
Dropout Voltage
VD
(Note1), IOUT=2A
0.5
V
ON
VC(ON)
VIN =7V
2.0
V
Voltage for Control(Note2)
OFF
VC(OFF)
VIN =7V
0.8
V
ON
IC(ON)
VC=2.7V, VIN =7V
20
A
Current for Control
OFF
IC(OFF)
VC=0.4V, VIN =7V
-0.4
mA
Quiescent Current
IQ
IOUT =0A, VIN =7V
10
mA
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