Contributes to greater application reliability and miniaturization
BD7xxL05G-C series
・ Achieves ultra-low 6μA quiescent current in a compact package
・ Strong against disturbance noise and steep input voltage fluctuations, ensuring
stable output
・ Provides high withstand voltage and supports compact capacitors
Lower standby power loss contributes to longer application operation
Improves application reliability
Contributes to a smaller board area
BD7xxL05G-C series
SSOP5 Package
(2.9×2.8× 1.25mm)
45V Withstand Voltage 50mA Output
Compact Ultra-Low 6μA Quiescent Current LDO Regulators
ComfySIL™ is a trademark or registered trademark of ROHM Co., Ltd.
■ Improves Application Reliability
Noise Immunity Comparison vs with General Products
Extremely small output voltage fluctuations at all noise
frequencies reduce resources required for noise
countermeasures
Output Voltage Fluctuation (V)
Noise Frequency (MHz)
3,500
0
0.5
1.0
1.5
2.0
-0.5
-1.0
-1.5
100 1,000
ROHM Antenna Irradiation Test Results
Based on ISO11452-2
Comparison of Input Transient Response
Characteristics vs General Products
Conditions: Input voltage: 4.9V to 16V, Output current: 30mA, Ta=25°C,
Input voltage fluctuation speed: 1.0V/μs, C
OUT
=1μF
Minimal overshoot even with steep input voltage
fluctuations supports smaller output capacitors
Voltage (V)
Voltage (V)
4.5
5.0
5.5
6.0
0
5
10
15
20
Time (50μs/div)
■ Contributes to a Smaller Board Area
Comparing Board Area in an Automotive Power Supply
System
Reduces board area
by 29%
• No voltage clamp diode
• Smaller output capacitor
8.8mm
General
Product
LDO
4.0mm
4.0mm
General
Product
New
Product
12.4mm
Supports
smaller output
capacitors
9.8mm
2
8.12mm
2
Requires a voltage clamp diode for
use as a primary power supply
New Product
(Low Frequency)
General Product
(High Frequency)
New Product
(High Frequency)
General Product
(Low Frequency)
Unparalleled stability
New Product
BD7xxL05G-C
Input
Capacitor
Output
Capacitor
Board area
reduced approx.
29%
17% smaller
Input
Capacitor
Output
Capacitor
The high withstand voltage of
BD7xxL05G-C eliminates the need
for a voltage clamp diode
Input Voltage: 4.9V to 16V (1V/μs)
Output voltage: 5V (0.5V/div, 5V offset)
Featured Products
General Product
New Product
Output voltage increases following input voltage fluctuations
(overshoot occurs)
Voltage Clamp
Diode
Output overshoot of new product= 0.11V
Output overshoot of general product= 1.27V
The information contained in this document is current as of Dec. 1st, 2022.
【O_174】Catalog No. 65OP7354E 12.2022 PDF © 2022 ROHM Co., Ltd.
■ 45V Withstand Voltage 50mA Output BD7xxL05G series
Enables configuration of space-saving, low consumption backup systems
■ Sample Application Circuit
Part No.
Input Voltage
(V)
Output
Voltage
(V)
Output
Current
(Max)
(mA)
Output
Voltage
Precision
(%)
Quiescent
Current
(Typ) (μA)
Output
Capacitance
(μF)
Operating
Temperature
T
j
(°C)
Package
ComfySIL™
Functional
Safety Category
Automotive
Grade
AEC-Q100
BD725L05G-C
3.5 to 42.0 2.5
50
±2
6 0.5 to 1,000 -40 to 150 SSOP5 FS supportive* YES
BD730L05G-C
3.5 to 42.0 3.0
BD733L05G-C
3.8 to 42.0 3.3
BD750L05G-C
5.6 to 42.0 5.0
ComfySIL™ is a trademark or registered trademark of ROHM Co., Ltd.
* FS Supported: ICs developed for automotive use that can support safety analysis related to functional safety.
Click on the icon to access the product datasheet and the icon to view the datasheet on ROHM’s website.
■ Application Examples
● Automotive Systems
Widely applicable for devices, equipment, etc., requiring low current consumption
in a compact form factor
BATTERY
Primary
Power
Supply 1
Primary
Power
Supply 2
Primary
Power
Supply 3
Secondary
Power Supply 1
Secondary
Power Supply 2
Secondary
Power Supply 3
Secondary
Power Supply 4
SoC
MCU
Sub-
MCU
Main System
New
Product
Configuration Example of an Automotive Power Supply System
Ideal for backup system power supplies to improve functional safety
● Consumer Devices
● Industrial Equipment
Sphygmomanometers,
Scales etc.
Smart Meters,
Sensor Devices, etc.
Backup System
Application expected
to use a backup
system
Applications expected
to operate when the
engine is stopped
Keeps core functions running
during main system failures
Drive Recorder
Electric Power
Steering
ADAS ECU
Body Control
Module
Battery Control Unit
Brake System
Door Handle Module