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BM0150HV 반도체 회로 부품 판매점

60V Buck Converter



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BM0150HV 데이터시트, 핀배열, 회로
BM
BM0150HV
60V Buck Converter
DESCRIPTION
APPLICATIONS
BM0150HV is the monolithic IC designed for
DC/DC LED driver applications
step-down LED driver capable of driving
Backlighting for flat panel displays
1.8A-3.3A load without additional transistor.
General purpose constant current source
The input voltage range is up to 60V. Its
52KHZ,no noise to Automotive-CAR audio
feedback voltage, VFB, is 200mV. The chip
Chargers
operates at a switching frequency of 52kHz. The
external shutdown function is controlled by a
logic level on the ON/OFF pin and then the
circuit comes into the standby mode with
ISTBY~50µA (typ.). The ON/OFF pin may be
used for the analog dimming. As the voltage on
the ON/OFF pin is increased from 0.07V to
0.67V, the voltage on the FB pin falls from
200mV to 0. The self-protection features include
a cycle-by-cycle current limit and a thermal
protection. BM0150HV is available in standard
TO-263,TO252 and PSOP-8 with power pad package.
FEATURES
PIN CONFIGURATION
PSOP-8
TO-252,TO263-5
VIN Max = 60V
VFB = 200mV, Iq < 3mA
ILED up to 3.5A with TO263-5L
ILED up to 2.1A with PSOP-8L
ILED up to 2.8A with TO-252-5L
On/Off input may be used for the Analog
Dimming , low=ON
Thermal protection
Cycle-by-cycle current limit
BM0150HV can replace AP1509,AP1507,XL7005 without change PCB, the Vfb =0.2V, so need
to modify one of the feedback resistor value.
BM0150HV can output CC-constant current, and can output CVPA-cRoTnsMtaAnRt KvoINltGage.
(能工作于恒压,也能工作于恒流) ; 52KHZ will not affect thePScaOrPra-8dLio.
TO-263-5L
ON/OFF
(DIM)
ESOP8--PIN4
TO252-5
PIN5
0V 0.07V
ON, Enable
0.07V--0.67V
DIMMING , PWM can control this pin to let
FB voltage from 200mV down to 0V.
Use 1K-2K PWM to dim
<1KHZ-2KHZ PWM 信号通过 RC 回路给
DIM ,用来调(电流)光或调电压输出>
>2V
OFF
Disable
2013/08/22 BM
www.bookly.com
Page 1


BM0150HV 데이터시트, 핀배열, 회로
BM
INTERNAL BLOCK DIAGRAM
BM0150HV
60V Buck Converter
PIN DESCRIPTION
Pin Pin
(PSOP-8L) (TO263-5)
11
22
34
45
5~8 3
Symbol
VIN
SW
FB
DIM
GND
Description
Supply Voltage Input
Switch
Feedback
ON/Off and Linear Dimming
Ground with Heat Sink
1. 在高压输入条件下,可以外加第二级输出短路保护电路.
2. 容易外加电路,实现输入输出零压差, 并保持输出稳定.
VIN
C1 C2
0.1uF
+24V-+55V 470uF
BM0150HV--TO252
1 Vin
SW 2
5 on/off
FB 4
L1 100uH
D1
SB360
R2:59K
C3
470uF
R1: 1K
+12V
Cff
33nF
R3
2K
R4
10K
on/off
Q1
R5 C4
104
510
GND
*NOTE: There is OTP and OCP circuit inside BM0150HV. The green additional protect circuit is
optional for special application. There is also low dropout circuit available outside of chip, for
eTxahmerpelei,swOheTnP/thOeCiPnpuints+i1d2eV, tdhroepatdod+i6tiVonorael vperno+te5Vc,t thiseooputtipount a5lV, acalsnostloillwoudtrpoupt o5Vu.tPclsir.causkit is
our salesoffice for technical support and apply demo board if you need.
.
2013/08/22 BM
www.bookly.com
Page 2




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BM0150HV converter

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60V Buck Converter - Bookly