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参数资料
| 型号： | LTC6992CDCB6-2#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, PDSO6 |
| 封装： | 2 X 3 MM, LEAD FREE, PLASTIC, MO-229TBD, DFN-6 |
| 文件页数： | 28/32页 |
| 文件大小： | 322K |
| 代理商： | LTC6992CDCB6-2#PBF |
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LTC6992-1/LTC6992-2/
LTC6992-3/LTC6992-4
5
69921234p
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 LTC6992C is guaranteed functional over the operating
temperature range of –40°C to 85°C.
Note 3: The LTC6992C is guaranteed to meet specified performance from
0°C to 70°C. The LTC6992C is designed, characterized and expected to
meet specified performance from –40°C to 85°C but it is not tested or
QA sampled at these temperatures. The LTC6992I is guaranteed to meet
specified performance from –40°C to 85°C. The LTC6992H is guaranteed
to meet specified performance from –40°C to 125°C.
Note 4: Frequency accuracy is defined as the deviation from the fOUT
equation, assuming RSET is used to program the frequency.
Note 5: See Operation section, Table 1 and Figure 2 for a full explanation
of how the DIV pin voltage selects the value of DIVCODE.
Note 6: Duty cycle setting time is the is the amount of time required for
the output to settle within ±1% of the final duty cycle after a ±10% change
in the setting (±80mV step in VMOD).
Note 7: To conform to the Logic IC Standard, current out of a pin is
arbitrarily given a negative value.
Note 8: Output rise and fall times are measured between the 10% and the
90% power supply levels with 5pF output load. These specifications are
based on characterization.
Note 9: Long term drift on silicon oscillators is primarily due to the
movement of ions and impurities within the silicon and is tested at 30°C
under otherwise nominal operating conditions. Long term drift is specified
as ppm/√kHr due to the typically non-linear nature of the drift. To calculate
drift for a set time period, translate that time into thousands of hours, take
the square root and multiply by the typical drift number. For instance, a
year is 8.77kHr and would yield a drift of 888ppm at 300ppm/√kHr. Drift
without power applied to the device may be approximated as 1/10th of the
drift with power, or 30ppm/√kHr for a 300ppm/√kHr device.
Note 10: Frequency change settling time is the amount of time required
for the output to settle within ±1% of the final frequency after a 0.5x or 2x
change in ISET.
Note 11: Jitter is the ratio of the peak-to-peak deviation of the period to
the mean of the period. This specification is based on characterization and
is not 100% tested.
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
tr
Output Rise Time (Note 8)
V+ = 5.5V
V+ = 3.3V
V+ = 2.25V
1.1
1.7
2.7
ns
tf
Output Fall Time (Note 8)
V+ = 5.5V
V+ = 3.3V
V+ = 2.25V
1.0
1.6
2.4
ns
The
l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. Test conditions are V+ = 2.25V to 5.5V, VMOD = 0V to VSET,
DIVCODE = 0 to 15 (NDIV = 1 to 16,384), RSET = 50k to 800k, RLOAD = 5k, CLOAD = 5pF unless otherwise noted.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC6992CDCB6-2-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:TimerBlox Voltage-Controlled Pulse Width Modulator (PWM) |
| LTC6992CDCB6-3-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:TimerBlox Voltage-Controlled Pulse Width Modulator (PWM) |
| LTC6992CDCB6-3-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:TimerBlox Voltage-Controlled Pulse Width Modulator (PWM) |
| LTC6992CDCB6-4-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:TimerBlox Voltage-Controlled Pulse Width Modulator (PWM) |
| LTC6992CDCB6-4-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:TimerBlox Voltage-Controlled Pulse Width Modulator (PWM) |
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