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參數(shù)資料
| 型號： | LTC3765IMSE#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封裝： | LEAD FREE, PLASTIC, MSOP-16 |
| 文件頁數(shù)： | 18/24頁 |
| 文件大?。?/td> | 265K |
| 代理商： | LTC3765IMSE#TRPBF |
LTC3765
3
3765f
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at TA = 25°C (Note 2). VCC = 12V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Gate Drivers (PG, AG, DELAY)
VOHPG
PG High Output Voltage
IPG = –100mA
11
V
IPUPG
PG Peak Pull-Up Current
2.5
A
RPDPG
PG Pull-Down Resistance
IPG = 100mA
1.3
Ω
trPG
PG Rise Time
20% to 80%, CPG = 4.7nF
20
ns
tfPG
PG Fall Time
20% to 80%, CPG = 4.7nF
20
ns
RPUAG
AG Pull-Up Resistance
IAG = –10mA
12
Ω
RPDAG
AG Pull-Down Resistance
IAG = 10mA
9
Ω
tDAG
AG Turn-On Delay Time
180
ns
tDPG
PG Turn-On Delay Time
RDELAY = 0Ω
RDELAY = 10kΩ
RDELAY = 50kΩ
120
390
40
140
460
160
530
ns
Oscillator (FS/UV) and Soft-Start (SSFLT)
fOSC
Oscillator Frequency
RFS = 75kΩ
RFS = 10kΩ
75
430
kHz
DCMAX
Oscillator Maximum Duty Cycle
VSSFLT = 3.5V
70
%
VFSUVH
FS/UV Output High
VRUN = 1V
5
V
IFSUV
FS/UV Pull-Up Current
VRUN = 1V, VFS/UV = 1.5V
50
A
ISS(C)
Soft-Start Charge Current
VRUN = 1.3V, VSSFLT = 1V
VRUN = 3.75V, VSSFLT = 1V
–4
–1.6
A
ISS(D)
Soft-Start Discharge Current
Timing Out After Fault, VSSFLT = 2V
1.25
A
VFLTH
Fault Output High
VCC = 6.8V
5.75
6.5
V
VFLTD
Fault Detection Voltage
5
5.5
V
Overcurrent (IS+, IS–) and Direct Flux Limit (ISMAG, RCORE)
VIS
Overcurrent Threshold
VISTH = VIS+–VIS–
l
130
150
170
mV
VISMAG–
ISMAG Limit Negative Threshold
Relative to SGND or VCC
–1.15
–1
–0.85
V
VISMAG+
ISMAG Limit Positive Threshold
Relative to SGND or VCC
0.85
1
1.15
V
MISMAG
ISMAG Replicated Slope
RCORE = 50kΩ, VRUN = 1.25V
RCORE = 50kΩ, VRUN = 6.25V
RCORE = 10kΩ, VRUN = 1.25V
RCORE = 10kΩ, VRUN = 6.25V
75
375
335
1700
mV/s
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC3765 is tested under pulsed-load conditions such that
TJ ≈ TA. The LTC3765E is guaranteed to meet specifications from
0°C to 85°C junction temperature. Specifications over the –40°C to
125°C operating junction temperature range are assured by design,
characterization and correlation with statistical process controls. The
LTC3765I is guaranteed over the –40°C to 125°C operating junction
temperature range, the LTC3765H is guaranteed over the –40°C to 150°C
operating junction temperature range and the LTC3765MP is tested and
guaranteed over the –55°C to 150°C operating junction temperature range.
High junction temperatures degrade operating lifetimes; operating lifetime
is derated for junction temperature greater than 125°C. The junction
temperature (TJ) is calculated from the ambient temperature (TA) and
power dissipation (PD) according to the formula:
TJ = TA + (PD 45°C/W)
Note that the maximum ambient temperature consistent with these
specifications is determined by specific operating conditions in
conjunction with board layout, the rated package thermal impedance and
other environmental factors.
Note 3: This IC includes overtemperature protection that is intended to
protect the device during momentary overload conditions. The maximum
rated junction temperature will be exceeded when this protection is active.
Continuous operation above the specified absolute maximum operating
junction temperature may impair device reliability or permanently damage
the device.
Note 4: The linear regulator output voltage is measured with a Vishay
Siliconix Si3440DV N-channel MOSFET external pass device.
Note 5: ICC is the sum of current into NDRV and VCC.
Note 6: Rectifier forward voltage drop is the sum of the drop across the
rectifier diode and synchronous switch.
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| LTC3765MPMSE#PBF | 功能描述:IC CONTROLLER GATE DR 16MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:Direct Flux Limit™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
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