LPR30D 반도체 회로 부품 판매점
LOW DROP VOLTAGE REGULATOR DRIVE FOR EXTERNAL N-CHANNEL POWER MOSFET
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 STMicroelectronics |
® LPR30
LOW DROP VOLTAGE REGULATOR DRIVE
FOR EXTERNAL N-CHANNEL POWER MOSFET
s VERY LOW DROPOUT POWER MOSFET
DRIVER
s HIGH PRECISION Vref = 2.5V (± 2%)
s VERY LOW CURRENT DRAIN (TYP. 2mA)
s REFERENCE OUTPUT CURRENT UP TO
20mA
s OPERATING SUPPLY VOLTAGE FROM 5V
TO 30V
s MAXIMUM INPUT VOLTAGE ON-GATE PIN
(N. 8) UP TO 60V
s INTERNAL CURRENT LIMIT OPERATIONAL
AMPLIFIER OFFSET TRIMMED AT
50mV ± 10mV
s NO CAPACITOR IS NEEDED FOR STABILITY
OF REFERENCE OUTPUT
s TEMPERATURE RANGE 0 oC TO 70 oC
APPLICATION
s ULTRA HIGH CURRENT ULTRA LOW
DROPOUT VOLTAGE REGULATOR
s CONSTANT HIGH CURRENT SOURCE
BLOCK DIAGRAM
DIP-8
SO-8
s LOW PARTS COUNT 5V TO 3.3V
COMPUTER SUPPLY
s LOW NOISE/LOW DROP SMPS POST
REGULATOR
DESCRIPTION
The LPR30 is a very Low Dropout Regulator
Controller in a single IC solution for very high
current low dropout linear voltgage regulator. It
uses an external N-CHANNEL POWER MOSFET
as the linear pass element. The LPR30 features a
dropout voltage as low as the RDS(on) of the
May 2000
1/10
LPR30
external Power MOSFET multiplied by the output
current. Consequently the output current can be
as high as the POWER MOSFET can provide
(also using an adeguate heatsink).
The VCC of the LPR30 range from 5V to 30V. For
very low drop voltage operation,the LPR30
requires an external gate drive supply to provide
the control voltage needed to drive the gate of the
external POWER MOSFET.
The regulator output is constant-current limited
when the controller detects 50mV across an
external sense resistor.
It has an internal high precision (± 2%) Voltage
Reference at 2.5V
The output regulated voltage is possible to
program to any voltage from 1V to more than
50V.
Flexible design is achieved by the availability of
the Voltage Reference Output through an
external pin (N.4) that is able to supply more than
20mA as load current. The LPR30 is available in
8 pin plastic DIP and in SO-8 for SMD. In both
package versions it is able to operate from 0oC to
70oC.
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
VCC DC Input Voltage
IoREF Reference Output Current
Ptot Power Dissipation
Top Operating Junction Temperature Range
Tstg Storage Temperature Range
Vgate Maximum Gate Voltage (pin n8)
Igate Maximum Gate Current (pin n8)
Absolute Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation under these conditions is not implied.
Value
36
Internally Limited
1
0 to 70
- 40 to 150
60
200
Unit
V
W
oC
oC
V
mA
THERMAL DATA
Symbol
Parameter
Rthj-amb Thermal Resistance Junction-ambient (*)
Max
(*) This value depends from thermal design of PCB on which the device is mounted.
DIP-8
130 to 180
SO-8
100 to 150
Unit
oC/W
CONNECTION DIAGRAM (top view)
ORDERING NUMBERS
Type
LPR30
LPR30N
DIP-8
2/10
SO-8
LPR30D
SO-8 (tape & reel)
LPR30D-TR
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PDF 파일 내의 페이지 : 총 10 페이지
제조업체: STMicroelectronics
( stm )
LPR30D mosfet
데이터시트 다운로드 :
[ LPR30D.PDF ]
[ LPR30D 다른 제조사 검색 ]
국내 전력반도체 판매점
상호 : 아이지 인터내셔날
전화번호 : 051-319-2877
[ 홈페이지 ]
IGBT, TR 모듈, SCR, 다이오드모듈, 각종 전력 휴즈
( IYXS, Powerex, Toshiba, Fuji, Bussmann, Eaton )
전력반도체 문의 : 010-3582-2743
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