ROHM Solution Simulator

Ultra Low Quiescent Current LDO Regulator
BD733L5FP / Load Response
This Circuit simulates the Load Response.
You can check the fluctuation of the output voltage when the load current is abruptly changed.

Simulation Schematic
Simulation Setting
Type: Time Domain
Run Time : 5ms

Peripheral Components
Instance
Name

TypeCIN

Capacitor

COUT

Capacitor

Default
Value

Parameter
capacitance_value
ESR
capacitance_value
ESR

1
54.7
5

Variable Range
MinMax(Note 1)
no constraint
0.1
110000(Note 1)no constraint
4.7
110000

UnitµFmΩµFmΩ

Simulation Conditions
InstanceName

Type

VCC

Voltage
SourceCurrent
Source

IOUT

Default
Value

Variable Range
MinMaxUnit

voltage_level

13.5

4.17

45

V

initial_value
pulse_value
ramptime_initial_to_pulse
ramptime_pulse_to_initialstart_delaypulse_width
period

10
400
125
125
1.5
2
1

0
0

500
500

mA
mA
µs
µs
ms
mss

Parameter(Note 1)no constraint(Note 1)no constraint(Note 1)no constraint(Note 1)no constraint(Note 1)no constraint(Note 1) This is a constraint of the simulation settings and does not guarantee the operation of the IC.
Caution 1: The values from the simulation results are not guaranteed. Please use these results as a guide for your design.
Caution 2: These model characteristics are specifically at Ta=25°C. Thus, the simulation result with temperature variances may
significantly differ from the result with the one done at actual application board (actual measurement).
Caution 3: Please refer to the datasheet for details of the technical information©2020 ROHM Co., Ltd.

No. AER63-D1-0033 Rev.001
Jun.2020
1/2

ROHM Solution Simulator

BD733L5FP
Simulation Result

pulse_value

IOUT
pulse_widthramptime_pulse_
to_initial

ramptime_initial_to_pulse

Initial_value

periodstart_delay

VOUT©2020 ROHM Co., Ltd.

No. AER63-D1-0033 Rev.001
Jun.2020
2/2

NoticeNotes1) The information contained herein is subject to change without notice.
2) Before you use our Products, please contact our sales representative and verify the latest specifications :3) Although ROHM is continuously working to improve product reliability and quality, semiconductors can break down and malfunction due to various factors.
Therefore, in order to prevent personal injury or fire arising from failure, please take safetymeasures such as complying with the derating characteristics, implementing redundant andfire prevention designs, and utilizing backups and fail-safe procedures. ROHM shall have noresponsibility for any damages arising out of the use of our Poducts beyond the rating specified byROHM.
4) Examples of application circuits, circuit constants and any other information contained herein areprovided only to illustrate the standard usage and operations of the Products. The peripheral
conditions must be taken into account when designing circuits for mass production.
5) The technical information specified herein is intended only to show the typical functions of andexamples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly,
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