bd8676kn ROHM Co. Ltd., bd8676kn Datasheet

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bd8676kn

Manufacturer Part Number
bd8676kn
Description
Dc/dc Converter Ic For Camera Module For Car Navigation System
Manufacturer
ROHM Co. Ltd.
Datasheet
STRUCTURE
PRODUCT NAME
MODEL NAME
BLOCK DIAGRAM
◎ FEATURES:
◎ ABSOLUTE MAXIMUM RATING:( Ta=25℃)
◎ OPERATION CONDITION
*1 70mm×70mm, thickness1.6mm, less than 3% share of copper foil when implementing glass epoxy board.
*2 Input terminal voltage:CTL1(32pin), CTL2(33pin), CTL3(34pin), CTL4(35pin), TEST1(9pin), TEST2(10pin), V33(6pin),V12(14pin)
*3 Output terminal voltage: RT(1pin),RSTO(3pin),RSTDLY(4pin),SS33(5pin),SS12(13pin),SS16(25pin),FC33(7pin),
*4 SW12(17pin) terminal voltage *5 SW16(30pin), V15(26pin) terminal voltage *6 CM(20pin) terminal voltage *7 CR(22pin), MV5(24pin) terminal voltage
This product is not designed for protection against radioactive rays.
VIN supply voltage
PVIN supply voltage
V33IN Input terminal voltage
V16 terminal voltage
CP terminal voltage
MV66 terminal voltage
Terminal voltage 1
Terminal voltage 2
Terminal voltage 3
Terminal voltage 4
Terminal voltage 5
Power dissipation
Operating temperature
Storage temperature
Operating at higher than Ta=25℃, 7.0mW shall be reduced per 1
V33IN terminal voltage
PVIN supply voltage
VIN supply voltage
Parameter
Parameter
*2*3
*4
*5
*6
*7
FC12(15pin),FC16(28pin),TEST3(31pin),SW33(11pin),V33(6pin)
・ +3.3V output synchronous step down DC/DC converter
・ +1.2V output synchronous step down DC/DC converter
・ +15V output boost DC/DC converter and LDO regulator
・ -5.5V output Voltage control charge pump (negative voltage)
・Soft start function
・Reset function
・Building in low voltage and over voltage protection function
・Building in terminal RT OPEN/SHORT protection
・The frequency can be set by external resistance
・Protection control with built-in sequencer
・VQFN-36 package (6.2mm□ Package)
(Please set the power-supply voltage in consideration of a power dissipation.)
Silicon Monolithic Integrated Circuit
DC/DC converter IC for camera module for car navigation system
B D 8 6 7 6 K N
Fig. - 2
VINOUT1
VINOUT2
Symbol
VOUT3
VOUT4
VOUT5
Symbol
V33IN
MV66
V33IN
PVIN
PVIN
Topr
V16
Tstg
VIN
VIN
CP
Pd
REV. A
MIN
4.5
4.5
2.7
V33IN-0.3
MV66-0.3
-10.0
-0.3
-0.3
-0.3
-0.3
-0.3
-0.3
-0.3
-0.3
-40
-55
0.875
Limits
TYP
6.0
6.0
3.3
*1
+18.0
VIN+0.3
5.0
+20.0
+10.0
+0.3
VIN+0.3
V33IN+0.3
V16+0.3
CP
+0.3
+85
+150
MAX
9.0
9.0
3.6
Unit
Unit
W
V
V
V
V
V
V
V
V
V
V
V
V
V
V
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bd8676kn Summary of contents

Page 1

STRUCTURE : PRODUCT NAME : MODEL NAME : BLOCK DIAGRAM ◎ FEATURES: ・ +3.3V output synchronous step down DC/DC converter ・ +1.2V output synchronous step down DC/DC converter ・ +15V output boost DC/DC converter and LDO regulator ・ -5.5V ...

Page 2

ELECTRICAL CHARACTERISTICS (Unless otherwise noted Ta=25℃ , VIN=6.0V,PVIN=6.0V,CTL1,2,3,4=6.0V,GND=0V) Parameter VIN,PVIN Circuit current 1 VIN,PVIN Circuit current 2 Range of DC/DC converter oscillation frequency setting < 3.3V output Step-down DC/DC converter > 3.3V output voltage V33 Terminal Discharge resistance SS33 ...

Page 3

PIN ASSIGNMENT No. Symbol Description 1 RT Frequency adjustment resistance connection terminal 2 GND GND(0V connection) 3 RSTO Reset output 4 RSTDLY Reset release delay element connection terminal 5 SS33 Soft start adjustment capacity connection terminal for 3.3VDC/DC 6 ...

Page 4

NOTE ON USE 1.About the absolute maximum rating Attention is brushed off enough to the quality control likely to destroy when the absolute maximum rating such as impressed voltages (VCC_IN,DCIN) and ranges (Topr) of the operating temperature ...

Page 5

No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose ...

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