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参数资料
| 型号： | LTC3773EUHF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PQCC38 |
| 封装： | 5 X 7 MM, PLASTIC, MO-220WHKD, QFN-38 |
| 文件页数： | 27/32页 |
| 文件大小： | 461K |
| 代理商： | LTC3773EUHF |
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LTC3773
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3773fa
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 LTC3773 is guaranteed to meet performance specications
from 0°C to 85°C. Specications over the – 40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls. TJ is calculated from the ambient
temperature TA and power dissipation PD according to the following
formula.
LTC3773EG: TJ = TA + (PD x 95°C/W)
LTC3773EUHF: TJ = TA + (PD x 34°C/W)
Note 3: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to ground unless otherwise
specied.
Note 4: The IC is tested in a feedback loop that adjusts VFB to achieve a
specied error amplier output voltage (VITH).
Note 5: Guaranteed by design, not subject to test.
Note 6: Dynamic supply current is higher due to the gate charge being
delivered at the switching frequency. See Applications Information.
Note 7: RDS(ON) limit is guaranteed by design and/or correlation to static
test.
Note 8: The minimum on-time condition corresponds to an inductor
peak-to-peak ripple current of ≥40% of IMAX (see minimum on-time
considerations in the Applications Information section).
(Note 3) The
● denotes the specications which apply over the full
operating temperature range, otherwise specications are at TA = 25°C. VCC = VDR = VBOOST = VSDB = 5V, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Oscillator and Phase-Locked Loop
PLLIN/FC, PHASEMD, PLLFLTR
Logic Input
VLO
Low Level Input Voltage
1.0
V
VFLOAT
Floating Voltage
1.6
V
VHI
High Level Input Voltage
3.0
V
VPLLIN
PLLIN Synchronization Input Threshold
1
V
IPLLFLTR
Phase Detector Output Current
VPLLFLTR = 1.5V
Sinking Capability
fPLLIN < fOSC
25
A
Sourcing Capability
fPLLIN > fOSC
–25
A
PRELPHS
Controller 2 - Controller 1 Phase
PHASEMD Floats or VPHASEMD = 0V
120
Deg
Controller 3 - Controller 1 Phase
240
Deg
Controller 2 - Controller 1 Phase
VPHASEMD = 5V
90
Deg
Controller 3 - Controller 1 Phase
270
Deg
CLKOUT
Controller 1 TG to CLKOUT Phase
PHASEMD Floats
0
Deg
VPHASEMD = 0V
60
Deg
VPHASEMD = 5V
180
Deg
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相关代理商/技术参数 |
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| LTC3773EUHF#TRPBF | 功能描述:IC REG CTRLR BUCK PWM CM 38-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX |
| LTC3774EUHE#PBF | 制造商:Linear Technology 功能描述:SWITCHING REG, BUCK, ADJ, 2.2MHZ, DFN-36 |
| LTC3774IUHE#PBF | 制造商:Linear Technology 功能描述:SWITCHING REG, BUCK, ADJ, 2.2MHZ, DFN-36 |
| LTC3775EMSE#PBF | 功能描述:IC REG CTRLR BUCK PWM VM 16-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 特色产品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 标准包装:1 系列:PowerWise® PWM 型:电压模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.5 V ~ 18 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-5°C ~ 125°C 封装/外壳:32-WFQFN 裸露焊盘 包装:Digi-Reel® 产品目录页面:1303 (CN2011-ZH PDF) 其它名称:LM3754SQDKR |
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