參數(shù)資料
型號: BD9870FPS
元件分類: 穩(wěn)壓器
英文描述: 1.5 A SWITCHING REGULATOR, 990 kHz SWITCHING FREQ-MAX, PSSO4
封裝: LEAD FREE, TO-252, 5 PIN
文件頁數(shù): 6/13頁
文件大小: 1032K
代理商: BD9870FPS
2/12
Operating Conditions(Ta=-40 to +85℃)
Parameter
Symbol
Limit
Unit
Conditions
MIN
TYP
MAX
Input Voltage
VCC
8.0
-
35.0
V
Output Voltage
Vo
1.0
-
0.8×
(VCC-Io×Ron)
V
Electrical Characteristics(Unless otherwise noted, Ta=25℃,Vcc=12V,Vo=5V,STBY=3V)
Parameter
Symbol
Limit
Unit
Conditions
MIN
TYP
MAX
Output ON Resistance
Ron
-
1.0
1.5
Ω
Efficiency
η
80
88
-
Io=0.5A
Switching Frequency
fosc
810
900
990
kHz
Load Regulation
ΔVOLOAD
-
5
40
mV
Vcc=20V,
Io=0.5 to 1.5A
Line Regulation
ΔVOLINE
-
5
25
mV
Vcc=10 to 30V,
Io=1.0A
Over Current Protection
Limit
Iocp
1.6
-
A
INV Pin Threshold Voltage
VINV
0.99
1.00
1.01
V
INV Pin Input Current
IINV
-
1
2
μA
VINV=1.0V
STBY
Pin
Threshold
Voltage
ON
VSTBYON
2.0
-
36
V
OFF
VSTBYOFF
-0.3
-
0.3
V
STBYPin Input Current
Istby
5
15
30
μA
STBY=3V
Circuit Current
Icc
-
5
12
mA
INV=2V
Stand-by Current
Ist
-
0
5
μA
STBY=0V
Soft Start Time
Tss
1
4
10
ms
This product is not designed to be resistant to radiation.
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