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BD8174MUV

Description
Power Supply Support Circuit, Fixed, 6 Channel, VQFN-48
CategoryPower/power management    The power supply circuit   
File Size802KB,34 Pages
ManufacturerROHM Semiconductor
Websitehttps://www.rohm.com/
Environmental Compliance
Download Datasheet Parametric View All

BD8174MUV Overview

Power Supply Support Circuit, Fixed, 6 Channel, VQFN-48

BD8174MUV Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerROHM Semiconductor
package instructionHQCCN,
Reach Compliance Codecompliant
ECCN codeEAR99
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeS-XQCC-N48
Number of channels6
Number of functions1
Number of terminals48
Maximum operating temperature105 °C
Minimum operating temperature-40 °C
Package body materialUNSPECIFIED
encapsulated codeHQCCN
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Maximum supply voltage (Vsup)14 V
Minimum supply voltage (Vsup)10 V
Nominal supply voltage (Vsup)12 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal formNO LEAD
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
Power Supply IC Series for TFT-LCD Panels
Output voltage fixed-type
Multi-channel System Power Supply IC
BD8174MUV
●Description
The BD8174MUV is a system power supply IC that generates 6 power supply channels required by TFT-LCD panels on a
single chip.
Output voltage and sequence is fixed so that it is possible to control output with few external components.
●Features
1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
11)
12)
Step-up DC/DC converter with built-in 3A FET
Synchronous step-down DC/DC converter with built-in 2A FET
High Voltage LDO (50mA)
Low Voltage LDO (400mA)
Positive/ Negative charge pumps (Integrated-diode)
10bit DAC 4CH
VCOM amplifier
Gate shading function
All-output shut down function
Power Good function
Fixed Frequency (700kHz)
Protection circuit:Under-voltage lockout protection circuit
Thermal shutdown circuit
Over current protection circuit
Over voltage protection circuit
Timer-latch type short-circuit protection circuit
13) Constant startup sequence
14) VQFN048V7070 package
●Applications
LCD TV power supplies
●Absolute
Maximum Ratings (Ta=25℃)
Parameter
Power supply voltage 1
Power supply voltage 2
SW1 pin voltage
VGH pin voltage
Maximum junction temperature
Power dissipation
Operating temperature range
Storage temperature range
Symbol
PVCC1,PVCC2
HVCC
VSW1
VVGH
Tjmax
Pd
Topr
Tstg
Rating
15
20
20
40
150
4830*1
-40½105
-55½150
Unit
V
V
V
V
mW
*1 To use the IC at temperatures over 25℃, derate power rating by 38.61mW/℃.
When mounted on a four-layer glass epoxy board measuring 74.2mm×74.2mm×1.6mm (with all layer of copper
foil 5505mm
2
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
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