bd9070fp ROHM Co. Ltd., bd9070fp Datasheet

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bd9070fp

Manufacturer Part Number
bd9070fp
Description
Step-down Switching Regulator Integrated High Side Switch
Manufacturer
ROHM Co. Ltd.
Datasheet
STRUCTURE
TYPE
PRODUCT SERIES
FEATURES
ABSOLUTE MAXIMUM RATINGS(Ta=25℃)
OPERATING CONDITIONS (However、it does not guarantee the electric characteristic
(1)However ,do not exceed Pd.
(2)Pd derated at 5.52mW/℃ for temperature above Ta=25℃, Mounted on a double layer PCB 70mm×70mm×1.6mm.
(3)
*The product is not designed for protection against radioactive rays
Supply Voltage
SW Pin Voltage
Output SW Current
EN, SYNC Pin Voltage
RT, FB, INV Pin Voltage
VDD Input Voltage
HSDSW Control Voltage
HSDSW Flag Voltage
Over Voltage Protection Detection Terminal
Power Dissipation
Operating Temperature Range
Storage Temperature Range
Maximum Junction Temperature
Recommend Supply Voltage
Recommend Supply Voltage 2
High Side Switch Current
Output Switch Current
Oscillator Frequency
External Synchronous
(with Thermal vias / Copper area:70mm×70mm)
However, do not exceed OSC×1.5.
Parameter
・1ch High Side Switch
・Over Voltage Protection which can be Variable by External Resisters
・Over Current Protection for Switching Regulator
・Over Current Protection for High Side Switch
・Thermal Shut Down Circuit
・Under Voltage Lock Out Circuit
・Over Current Detection Flag pin for High Side Switch
Silicon Monolithic Integrated Circuit
Step-down Switching Regulator Integrated High Side Switch
BD9070FP
Parameter
Integrated FET 1ch Step-down Switching Regulato
Frequency
Symbol
F
F
I
V
HSW
I
SYNC
V
OSC
SW
DD
IN
REV. A
V
RT
V
HSDFLG
OVPDET
HSDCTL
Symbol
, V
EN
Tjmax
V
Topr
V
Tstg
I
V
Pd
SW
/
FB
SW
F
DD
IN
SYNC
Min.
2.7
50
OSC
, V
7
-
-
INV
500
Max.
500
5.5
0.7
35
2
-40~+105
-55~+150
3
1.45
Limits
2.1
V
150
V
V
36
15
7
6
6
DD
IN
IN
1
2
r
Unit
kHz
kHz
V
A
A
.
Unit
W
V
V
A
V
V
V
V
V
V
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bd9070fp Summary of contents

Page 1

... STRUCTURE Silicon Monolithic Integrated Circuit TYPE Step-down Switching Regulator Integrated High Side Switch BD9070FP PRODUCT SERIES ・ FEATURES Integrated FET 1ch Step-down Switching Regulato ・1ch High Side Switch ・Over Voltage Protection which can be Variable by External Resisters ・Over Current Protection for Switching Regulator ・ ...

Page 2

ELECTRICAL CHARACTERISTICS Parameter [Entire Device] Stand-by Current Operation Current [Switch] Leakage Current [DC/DC] Reference Voltage1 Reference Voltage2 Input Bias Current Switching Frequency1 Switching Frequency2 Synchronous Frequency Over Current Protection Operation Output Current Output ON Voltage Output OFF Voltage V ...

Page 3

... REV. A ◎ PHYSICAL DIMENTIONS・MARKING 品番 BD9070FP Lo No. HSOP25 (Unit:mm) Pin Function Name N.C. Non-connect (unused) pin VDD High Side Switch Input Pin VDD High Side Switch Input Pin OVP Over Voltage Protection Detection Pin ...

Page 4

Absolute Maximum Ratings are those values beyond which the life of a device may be destroyed we cannot be defined the failure mode, such as short mode or open mode. Therefore physical security countermeasure, like fuse, is ...

Page 5

Version 改定日 改定理由 Rev0.0.1 2007/05/11 初版 改定内容 REV. A 5/4 ...

Page 6

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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