파트넘버.co.kr NR301E 데이터시트 PDF


NR301E 반도체 회로 부품 판매점

Linear Regulator IC



SANKEN 로고
SANKEN
NR301E 데이터시트, 핀배열, 회로
Io=1A,Vin=27V, eSOIC8 Linear Regulator IC
NR301E
Sep/19/2013
General Descriptions
NR301E is the low saturation voltage type Io=1.0A linear
regulator IC built in the exposed SOIC8 package.
The output voltage Vo is adjustable by the external resistor.
In this IC, start-up and shut-down are possible by the
external signal input.
Over-current protection and thermal protection are built in
as a protection function.
A low-ESR capacitor like a ceramics capacitor can be used
for the output capacitor.
Package
Package NameExposed SOIC 8
Exposed pad is a radiator on back-side of package.
Surface mount 8-pin package
Exposed SOIC 8(HSOP8)
Features & Benefits
The output voltage is adjustable by the external resistor.
Start-up and shut-down are possible when a VC terminal
is used.( External signal input)
Ceramics capacitor is possible to use as the output
capacitor .
Protection Functions
Over current protection(OCP)
Thermal protection with temperature hysteresis .
(TSD)
Pin Assign
Electrical Characteristics
Input voltage: Vin=2.7V to 27VRecommeded
Reference voltage:VFB = 1.0V ±1.5%
Output current: Io= 1.0A
Difference in input and output:VDIF = typ. 0.6V
Applications
For local regulator circuit
LCD-TV/STB/DVD/Blu-Ray
Audio/PC
USBoutput protection
Typical Application Circuit
Rev.1.0
CIN1μF50V, COUT1μF50V, R139kΩ+1kΩ, R210kΩ
SANKEN ELECTRIC CO., LTD.
http://www.sanken-ele.co.jp
1
http://www.Datasheet4U.com


NR301E 데이터시트, 핀배열, 회로
Io=1A,Vin=27V, eSOIC8 Linear Regulator IC
NR301E
Series Line-up
Products name Vin(max)
NR301E
30V
Io(max)
1A
Vc(on/off)
2V/0.6V
VDIF
Sep/19/2013
Absolute Maximum Ratings
*The condition when there is no special mention: Ta=25°C
Parameter
terminal Symbol
Ratings
Units
Conditions
DC input voltage
48 Vin
30 V
Vc terminal voltage
ADJ terminal voltage
Power Dissipation
(1)
Thermal Resistance(junction to
ambient Air)
Thermal Resistancejunction to
Pin No.4
Junction temperature
45
43
VC
VADJ
PD
θj-a
θj-L
TJ(max)
30
5.0
1.76
71
26
40+125
Strage temperature
Tstg
40+125
(1) Limited by thermal shutdown.
(2) The temperature detection of thermal shutdown is about 155°C (Typical).
V
V
W
°C/W
VcVin
Glass-epoxy board
mounting
in a 30×30mm.
(copper area in a
25×25mm)
°C/W
°C
This product builds in
an thermal protection
circuit. When
junction-temperature is
°C more than
135,thermal
protection often works.
Recommended Operating Conditions
*The condition when there is no special mention: Ta=25°C
Parameter
terminal Symbol
Ratings
MIN
MAX
Units Conditions
Input voltage range
(1) 48
Vin
2.7
27
V
Output current range
() 48
IO
0 1.0 A
Output voltage range
VO 1.1 16
Ambient operating temperature
TOP(a)
-30
85
Junction operating temperature
TOP(j)
-30
100
(1)Vin and Io are restricted by the use condition because there are relations of PD= (Vin-Vo) ×Io.
V
°C
°C
Refer to
Page7
Rev.1.0
SANKEN ELECTRIC CO., LTD.
http://www.sanken-ele.co.jp
2




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