BD9873CP-V5E2 ROHM [Rohm], BD9873CP-V5E2 Datasheet - Page 2

• Manufacturer Part Number: BD9873CP-V5E2
• Description: Simple Step-down Switching Regulators with Built-in Power MOSFET
• Manufacturer: ROHM [Rohm]

●Operating Conditions(Ta=-40～+85℃)
●Electrical Characteristics（Unless otherwise noted, Ta=25℃,Vcc=12V,Vo=5V,STBY=3V）
© 2009 ROHM Co., Ltd. All rights reserved.
BD9873CP-V5,BD9874CP-V5
www.rohm.com
Output ON Resistance
Efficiency
Switching Frequency
Load Regulation
Line Regulation
Over Current Protection
Limit
Over Current Protection
Limit
INV Pin Input Current
STBY
Pin
Voltage
STBYPin Input Current
Circuit Current
Stand-by Current
Soft Start Time
This product is not designed to be resistant to radiation.
Output Voltage
Input Voltage
Parameter
Threshold
Parameter
ON
OFF
Symbol
VCC
Vo
ΔVOLOAD
ΔVOLINE
V
V
Symbol
STBYOFF
STBYON
VINV
Istby
Iocp
IINV
fosc
R
Tss
Icc
Ist
η
on
MIN
8.0
1.0
0.985
MIN
-0.3
1.6
3.2
2.0
80
99
-
5
-
-
-
-
-
-
-
-
Limit
TYP
-
-
2/12
Limit
TYP
1.00
110
1.0
0.5
88
15
5
5
5
1
0
4
5
-
-
-
-
(VCC-Io×
MAX
35.0
0.8×
Ron)
1.015
MAX
VCC
121
1.5
1.0
0.3
40
40
25
20
30
12
2
5
-
-
-
Unit
Unit
kHz
μA
μA
μA
V
mV
mV
V
mV
mA
ms
Ω
Ω
％
A
A
V
V
V
BD9873
BD9874
Io＝0.5A
Vcc=20V,
Io=0.5～1.5A
BD9873
Vcc=20V,
Io=1.0～3.0A
BD9874
Vcc=10～30V,
Io=1.0A
BD9873
BD9874
VINV=1.0V
STBY=3V
INV=2V
STBY＝0V
STBY=0→3V
Conditions
Conditions
Technical Note
2009.07 - Rev.A