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BD8158FVM 데이터시트 PDF




ROHM Semiconductor에서 제조한 전자 부품 BD8158FVM은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 BD8158FVM 기능
기능 Boost Converter
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BD8158FVM 데이터시트, 핀배열, 회로
Datasheet
2.1V(or 2.5V) to 5.5V, 1.5A 1ch
Boost Converter with Integrated FET
BD8152FVM BD8158FVM
General Description
BD8152FVM and BD8158FVM are 1-Channel boost
converter which uses low voltage FET. The input
voltage is 2.5V to 5.5V for BD8152FVM and 2.1V to
5.5V for BD8158FVM achieving a low power
consumption. The high accuracy feedback voltage
(±1%) is established and the brightness dispersion of
TFT-LCD panel is suppressed.
Features
Current Mode PWM System
Built-In Under-Voltage Lockout Protection Circuit
Built-In Over-Current Protection Circuit
Built-In Thermal Shutdown Circuit
Key Specifications
Input Voltage Range: BD8152FVM 2.5V to 5.5V
BD8158FVM 2.1V to 5.5V
Switching Frequency:
600 kHz/1,200 kHz
Integrated FET RON
Feedback Voltage:
250mΩ(Typ)
1.245 ± 1%
Ultra-Low Current Consumption:
0µA (Typ)
Operating Temperature Range:
BD8152FVM -40°C to +85°C
BD8158FVM -40°C to +125°C
Package
W (Typ) x D (Typ) x H (Max)
Applications
Panels for the Satellite Navigation System
Laptop PC( 7 to17 inches)
TFT-LCD Panels
MSOP8
2.90mm x 4.00 mm x 0.90mm
Typical Application Circuit
L
VCC Cin
Rc
Cc
VCC,PVCC
FCLK,ENB
COMP
SW
GND,PGND
Co
Figure 1. Typical Application Circuit
Vo
Product structure : Silicon monolithic integrated circuit
.www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111 14 001
This product has no designed protection against radioactive rays
1/23
TSZ02201-0323AAJ00550-1-2
09.Sep.2014 Rev.001




BD8158FVM pdf, 반도체, 판매, 대치품
BD8152FVM BD8158FVM
Electrical Characteristics – continued
BD8158FVM (Unless otherwise specified, Ta = 25°C; VCC = 2.5V; VENB = 2.5V)
Parameter
Limit
Symbol
Min Typ
Max
[Triangular Waveform Oscillator]
Oscillating Frequency 1
fOSC1
480 600 720
Oscillating Frequency 2
fOSC2
0.96 1.20 1.44
[Over-Current Protection Circuit]
Over-Current Limit
ISW - 2 -
[Soft-Start Circuit]
SS Source Current
ISO 6 10 14
[Under-Voltage Lockout Protection Circuit]
OFF Threshold Voltage
VUTOFF
1.7
1.8
1.9
ON Threshold Voltage
VUTON 1.6 1.7 1.8
[Error Amp]
Input Bias Current
IB - 0.1 0.5
Feedback Voltage
VFB 1.232 1.245 1.258
[Output]
ON-Resistance
RON - 250 -
Max Duty Ratio
DMAX - 85 -
[ENB]
ENB ON Voltage
VON
VCCx0.7
VCC
-
ENB OFF Voltage
VOFF
-
0 VCCx0.3
[Overall]
Standby Current
ISTB - 0 10
Average Consumption Current
ICC - 1.2 2.4
(Note 5) Design guarantee (No total shipment inspection is made.)
Unit Conditions
kHz
MHz
VFCLK = 0V
VFCLK = VCC
A
µA VSS = 0.5 V
V
V
µA
V Buffer
(Note 5)ISW = 1 A
% RL = 100 Ω
V
V
µA VENB = 0 V
mA No Switching
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
4/23
TSZ02201-0323AAJ00550-1-2
09.Sep.2014 Rev.001

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BD8158FVM 전자부품, 판매, 대치품
BD8152FVM BD8158FVM
Typical Performance Curves - continued
100
50
0
-50
-100
1.0 1.1 1.2 1.3 1.4 1.5
VCOMP [V]
Figure 12. ICOMP vs VCOMP
100
95
90
85
80
-40 -15 10 35 60 85 110
AMABmIEbNieTntTTEeMmPpEeRraAtTuUreR:ET:aT[a°C[] ]
Figure 13. Max Duty vs Temperature
90
80
VCC = 2.5 VF = 1200kHz
70
VCC = 2.5 VF = 600kHz
60
BD8158FVM
50
0.05
0.1 0.15 0.2 0.25
OUOTuPtUpuTt CCUurRreRnEt:NITO[:AIo][A]
0.3
Figure 14. Efficiency vs Output Current
(VCC=2.5V)
BD8152FVM
Output Current: IO[A]
Figure 15. Efficiency vs Output Current
(VCC=5V)
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
7/23
TSZ02201-0323AAJ00550-1-2
09.Sep.2014 Rev.001

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관련 데이터시트

부품번호상세설명 및 기능제조사
BD8158FVM

Boost Converter

ROHM Semiconductor
ROHM Semiconductor

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