參數(shù)資料
型號: LTC4352CMS#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO12
封裝: LEAD FREE, PLASTIC, MSOP-8
文件頁數(shù): 10/16頁
文件大?。?/td> 194K
代理商: LTC4352CMS#TRPBF
LTC4352
3
4352f
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VIN = 12V, VSOURCE = VIN, VOUT = VIN, VCC Open, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supplies
VIN
Input Operating Range
With External 2.9V to 4.7V VCC Supply
With External 4.7V to 6V VCC Supply
l
2.9
0
18
VCC
18
V
VCC(EXT)
VCC External Supply Range
l
2.9
6
V
VCC(INT)
VCC Internal Regulator Voltage
l
3.5
4.1
4.7
V
IIN
VIN Supply Current
VIN = 0V, VCC = 5V, VOUT = 18V
l
1.4
–10
3
–13
mA
μA
ICC
External VCC Supply Current
VCC = 5V, VIN = 0V
l
1.25
2.5
mA
VCC(UVLO)
VCC Undervoltage Lockout Threshold
VCC Rising
l
2.45
2.57
2.7
V
ΔVCC(HYST)
VCC Undervoltage Lockout Hysteresis
l
50
70
90
mV
Ideal Diode Control
VFWD(REG)
Forward Regulation Voltage (VIN VOUT)
l
10
25
40
mV
ΔVGATE
MOSFET Gate Drive (VGATE – VSOURCE)VFWD = 0.1V, I = 0 and –1μA
l
56.1
7.5
V
tON(GATE)
GATE Turn-On Delay
CGATE = 10nF, VFWD = 0.2V
l
0.25
0.5
μs
tOFF(GATE)
GATE Turn-Off Delay
CGATE = 10nF, VFWD = 0.2V
l
0.2
0.5
μs
Input/Output Pins
VUV,OV(TH)
UV, OV Threshold Voltage
VUV Falling, VOV Rising
l
490
500
510
mV
ΔVUV,OV(HYST)
UV, OV Threshold Hysteresis
l
2.5
5
8.5
mV
VREV(TH)
REV Threshold Voltage
l
0.8
1.0
1.2
V
IUV,OV
UV, OV Current
V = 0.5V
l
0±1
μA
IREV
REV Current
VREV = 1V
l
710
13
μA
IOUT
OUT Current
VOUT = 0V, 12V
l
–13
200
μA
ISOURCE
SOURCE Current
VSOURCE = 0V
l
–85
–130
μA
ICPO(UP)
CPO Pull-Up Current
VCPO = VIN = 2.9V
VCPO = VIN = 18V
l
–60
–50
–90
–75
–115
–100
μA
IGATE
GATE Fast Pull-Up Current
GATE Fast Pull-Down Current
GATE Off Pull-Down Current
VFWD = 0.2V, ΔVGATE = 0V, VCPO = 17V
VFWD = –0.2V, ΔVGATE = 5V
VUV = 0V, ΔVGATE = 2.5V
l
60
–1.5
1.5
100
145
A
μA
IFLT,STAT(IN)
STATUS, FAULT Leakage Current
V = 18V
l
0±1
μA
IFLT,STAT(UP)
STATUS, FAULT Pull-Up Current
V = 0V
l
–8
–10
–12
μA
VOL
STATUS, FAULT Output Low Voltage
I = 1.25mA
l
0.2
0.4
V
VOH
STATUS, FAULT Output High Voltage
I = –1μA
l
VCC – 1 VCC – 0.5
V
ΔVGATE(ST)
MOSFET On Detect Threshold
STATUS Pulls Low, VFWD = 50mV
l
0.3
0.7
1.1
V
VFWD(FLT)
Open MOSFET Threshold (VIN – VOUT)
FAULT Pulls Low
l
200
250
300
mV
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating for extended periods may affect device reliability and
lifetime.
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to GND unless otherwise
specied.
Note 3: Internal clamps limit the GATE and CPO pins to a minimum of 5V
above, and a diode below SOURCE. Driving these pins to voltages beyond
the clamp may damage the device.
相關(guān)PDF資料
PDF描述
LTC4352IMS#PBF 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO12
LTC4352IMS#TRPBF 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO12
LTC4352HMS#TRPBF 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO12
LTC4352HDD#PBF 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO12
LTC4352HDD#TRPBF 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO12
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC4352HDD#PBF 功能描述:IC IDEAL DIODE CTLR W/MON 12-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - O 圈控制器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 應(yīng)用:電池備份,工業(yè)/汽車,大電流開關(guān) FET 型:- 輸出數(shù):5 內(nèi)部開關(guān):是 延遲時間 - 開啟:100ns 延遲時間 - 關(guān)閉:- 電源電壓:3 V ~ 5.5 V 電流 - 電源:250µA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:16-SOIC N 包裝:帶卷 (TR)
LTC4352HDD#TRPBF 功能描述:IC IDEAL DIODE CTLR W/MON 12-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - O 圈控制器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 應(yīng)用:電池備份,工業(yè)/汽車,大電流開關(guān) FET 型:- 輸出數(shù):5 內(nèi)部開關(guān):是 延遲時間 - 開啟:100ns 延遲時間 - 關(guān)閉:- 電源電壓:3 V ~ 5.5 V 電流 - 電源:250µA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:16-SOIC N 包裝:帶卷 (TR)
LTC4352HMS#PBF 功能描述:IC IDEAL DIODE CTLR W/MON 12MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - O 圈控制器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 應(yīng)用:電池備份,工業(yè)/汽車,大電流開關(guān) FET 型:- 輸出數(shù):5 內(nèi)部開關(guān):是 延遲時間 - 開啟:100ns 延遲時間 - 關(guān)閉:- 電源電壓:3 V ~ 5.5 V 電流 - 電源:250µA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:16-SOIC N 包裝:帶卷 (TR)
LTC4352HMS#TRPBF 功能描述:IC IDEAL DIODE CTLR W/MON 12MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - O 圈控制器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 應(yīng)用:電池備份,工業(yè)/汽車,大電流開關(guān) FET 型:- 輸出數(shù):5 內(nèi)部開關(guān):是 延遲時間 - 開啟:100ns 延遲時間 - 關(guān)閉:- 電源電壓:3 V ~ 5.5 V 電流 - 電源:250µA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:16-SOIC N 包裝:帶卷 (TR)
LTC4352IDD#PBF 功能描述:IC IDEAL DIODE CNTRL 12-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - O 圈控制器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 應(yīng)用:電池備份,工業(yè)/汽車,大電流開關(guān) FET 型:- 輸出數(shù):5 內(nèi)部開關(guān):是 延遲時間 - 開啟:100ns 延遲時間 - 關(guān)閉:- 電源電壓:3 V ~ 5.5 V 電流 - 電源:250µA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:16-SOIC N 包裝:帶卷 (TR)