參數(shù)資料
型號(hào): L6920
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 1.2 A SWITCHING REGULATOR, PDSO8
封裝: 4.40 MM, TSSOP-8
文件頁(yè)數(shù): 6/12頁(yè)
文件大?。?/td> 162K
代理商: L6920
3/12
L6920
ELECTRICAL CHARACTERISTCS (Vin = 2V, FB = GND, Tamb = -40°C to 85°C)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VCC SECTION
Vin
Minimum operating Input Voltage
0.6
V
Vin
Minimum Start Up Input Voltage
1
V
Iq
Quiescent Current
FB = OUT, Il =0 mA,
Vout = 3.5V
912
A
FB = GND, Il =0 mA,
Vout = 5.2V
11
15
A
Isd
Shut Down Current
Vin = 5V, Il =0 mA
0.1
1
A
Irev
Reverse battery current
Vin = -4V
0.1
1
A
POWER SECTION
Ron-N
Active switch ON resistance
120
250
m
Ron-P
Synchronous switch ON
resistance
120
250
m
CONTROL SECTION
Vout
Output voltage
FB = OUT, Il =0 mA
3.2
3.3
3.4
V
FB = GND, Il =0 mA
4.85
5
5.15
V
Output voltage range
External divider
2
5.2
V
VLBI
LBI threshold
1.18
1.23
1.27
V
VLBO
LBO logic LOW
Isink < 1mA
0.2
0.4
V
Ilim
LX switch current limit
0.8
1
1.2
A
Tonmax
Maximum on time
Vout = 2V to 5.3V
3.75
5
6.25
s
Toffmin
Minimum off time
Vout = 2V to 5.3V
0.75
1
1.25
s
SHDN
SHDN logic LOW
0.3
V
SHDN logic HIGH
0.6
V
Vref
Reference Voltage
1.18
1.23
1.27
V
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L6920D 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 0.6 to 5.5V Step-Up RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
L6920DB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Synchronous Rectifer Step Up Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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L6920DCTR 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Sync Rectifier Step Up Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5