參數(shù)資料
型號(hào)： LNBP9LIT
廠商： STMICROELECTRONICS
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, SFM5
封裝： ROHS COMPLIANT, IPPAK-5
文件頁(yè)數(shù)： 20/21頁(yè)
文件大?。?/td> 439K
代理商： LNBP9LIT
Typical application circuits
LNBP8L, LNBP9L, LNBP10L, LNBP11L
8/21
Doc ID 15153 Rev 2
5
Typical application circuits
Note:
In a single supply configuration with the DFN package, an R1 resistor in the 12-15 Ω range
is recommended to reduce device power dissipation during the 13 V output condition. The
resistor can be omitted, but the power dissipation will increase.
Figure 3.
Single input supply voltage solution for IPPAK package versions
VCC
EN/VSEL (Tristate )
OUTPUT
GND
EXTM or TEN
D1
1N4001
MCU I/Os
23V
LNBP8/9L
C2
220nF
C1
10
F
LNB OUTPUT
C3
100nF
D2
1N5818
VCC
EN/VSEL (Tristate )
OUTPUT
GND
EXTM or TEN
D1
1N4001
MCU I/Os
23V
LNBP8/9L
C2
220nF
C1
10
F
LNB OUTPUT
C3
100nF
D2
1N5818
VCC
EN/VSEL (Tristate )
OUTPUT
GND
EXTM or TEN
D1
1N4001
MCU I/Os
23V
LNBP8/9L
C2
220nF
C1
10
F
LNB OUTPUT
C3
100nF
D2
1N5818
VCC
EN/VSEL (Tristate )
OUTPUT
GND
EXTM or TEN
D1
1N4001
MCU I/Os
23V
LNBP8/9L
C2
220nF
C1
10
F
LNB OUTPUT
C3
100nF
D2
1N5818
Figure 4.
Dual input supply voltage solution for DFN8 (5 x 6 mm) package versions
VCC1
EN/VSEL (Tristate )
OUTPUT
GND
EXTM or TEN
D1 1N4001
MCU I/Os
16V
LNBP10/11L
C2
220nF
C1
10
F
C3
100nF
D2
1N5818
LNB OUTPUT
LLC
VCC2
D3 1N4001
23V
C5
220nF
C4
10
F
CEXT
C6
4.7
F
VCC1
EN/VSEL (Tristate
OUTPUT
GND
EXTM or TEN
D1 1N4001
MCU I/Os
16V
LNBP10/11L
C2
220nF
C1
10
F
C3
100nF
D2
1N5818
LNB OUTPUT
LLC
VCC2
D3 1N4001
23V
C5
220nF
C4
10
F
CEXT
C6
4.7
F
VCC1
EN/VSEL (Tristate )
OUTPUT
GND
EXTM or TEN
D1 1N4001
MCU I/Os
16V
LNBP10/11L
C2
220nF
C1
10
F
C3
100nF
D2
1N5818
LNB OUTPUT
LLC
VCC2
D3 1N4001
23V
C5
220nF
C4
10
F
CEXT
C6
4.7
F
VCC1
EN/VSEL (Tristate
OUTPUT
GND
EXTM or TEN
D1 1N4001
MCU I/Os
16V
LNBP10/11L
C2
220nF
C1
10
F
C3
100nF
D2
1N5818
LNB OUTPUT
LLC
VCC2
D3 1N4001
23V
C5
220nF
C4
10
F
CEXT
C6
4.7
F
Figure 5.
Single input supply voltage solution for DFN8 (5 x 6 mm) package versions
VCC1
EN/VSEL (Tristate )
OUTPUT
GND
EXTM or TEN
D1
1N4001
MCU I/Os
LNBP10/11L
C2
220nF
C1
10
F
C3
100nF
D2
1N5818
LNB OUTPUT
LLC
VCC2
23V
C4
220nF
CEXT
C5
4.7
F
R1
15 Ohm >3W
VCC1
EN/VSEL (Tristate )
OUTPUT
GND
EXTM or TEN
D1
1N4001
MCU I/Os
LNBP10/11L
C2
220nF
C1
10
F
C3
100nF
D2
1N5818
LNB OUTPUT
LLC
VCC2
23V
C4
220nF
CEXT
C5
4.7
F
R1
15 Ohm >3W
VCC1
EN/VSEL (Tristate )
OUTPUT
GND
EXTM or TEN
D1
1N4001
MCU I/Os
LNBP10/11L
C2
220nF
C1
10
F
C3
100nF
D2
1N5818
LNB OUTPUT
LLC
VCC2
23V
C4
220nF
CEXT
C5
4.7
F
R1
15 Ohm >3W
VCC1
EN/VSEL (Tristate )
OUTPUT
GND
EXTM or TEN
D1
1N4001
MCU I/Os
LNBP10/11L
C2
220nF
C1
10
F
C3
100nF
D2
1N5818
LNB OUTPUT
LLC
VCC2
23V
C4
220nF
CEXT
C5
4.7
F
R1
15 Ohm >3W
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