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UC1856 bảng dữ liệu(PDF) 1 Page - Texas Instruments

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Giải thích chi tiết về linh kiện  Improved Current Mode PWM Controller
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UC1856 bảng dữ liệu(HTML) 1 Page - Texas Instruments

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Improved Current Mode PWM Controller
UC1856
UC2856
UC3856
DESCRIPTION
FEATURES
Pin-for-Pin Compatible With the UC3846
65ns Typical Delay From Shutdown to
Outputs, and 50ns Typical Delay From
Sync to Outputs
Improved Current Sense Amplifier With
Reduced Noise Sensitivity
Differential Current Sense with 3V
Common Mode Range
Trimmed Oscillator Discharge Current
for Accurate Deadband Control
Accurate 1V Shutdown Threshold
High Current Dual Totem Pole Outputs
(1.5A peak)
TTL Compatible Oscillator SYNC Pin
Thresholds
4kV ESD Protection
The UC3856 is a high performance version of the popular UC3846
series of current mode controllers, and is intended for both design
upgrades and new applications where speed and accuracy are impor-
tant. All input to output delays have been minimized, and the current
sense output is slew rate limited to reduce noise sensitivity. Fast 1.5A
peak output stages have been added to allow rapid switching of
power FETs.
A low impedance TTL compatible sync output has been implemented
with a tri-state function when used as a sync input.
Internal chip grounding has been improved to minimize internal
“noise” caused when driving large capacitive loads. This, in conjunc-
tion with the improved differential current sense amplifier results in
enhanced noise immunity.
Other features include a trimmed oscillator current (8%) for accurate
frequency and dead time control; a 1V, 5% shutdown threshold; and
4kV minimum ESD protection on all pins.
BLOCK DIAGRAM
9/96
UDG-96176


Số phần tương tự - UC1856

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
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Texas Instruments
UC1856 TI-UC1856 Datasheet
3Mb / 14P
[Old version datasheet]   Improved Current Mode PWM Controller
UC1856-SP TI1-UC1856-SP Datasheet
563Kb / 24P
[Old version datasheet]   Improved Current-Mode PWM Controller
UC1856-SP TI-UC1856-SP_15 Datasheet
454Kb / 23P
[Old version datasheet]   UC1856-SP Improved Current-Mode PWM Controller
UC1856J TI1-UC1856J Datasheet
3Mb / 14P
[Old version datasheet]   Improved Current Mode PWM Controller
UC1856J TI-UC1856J Datasheet
3Mb / 14P
[Old version datasheet]   Improved Current Mode PWM Controller
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Mô tả tương tự - UC1856

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
logo
Texas Instruments
UC1856-SP TI1-UC1856-SP Datasheet
563Kb / 24P
[Old version datasheet]   Improved Current-Mode PWM Controller
UC1856J TI-UC1856J Datasheet
3Mb / 14P
[Old version datasheet]   Improved Current Mode PWM Controller
UC2856-Q1 TI-UC2856-Q1_15 Datasheet
685Kb / 16P
[Old version datasheet]   IMPROVED CURRENT-MODE PWM CONTROLLER
UC2856-Q1 TI-UC2856-Q1 Datasheet
218Kb / 12P
[Old version datasheet]   IMPROVED CURRENT-MODE PWM CONTROLLER
UC2856Q TI-UC2856Q Datasheet
260Kb / 12P
[Old version datasheet]   IMPROVED CURRENT MODE PWM CONTROLLER
UC2856Q TI-UC2856Q_15 Datasheet
685Kb / 15P
[Old version datasheet]   IMPROVED CURRENT MODE PWM CONTROLLER
UC3856N TI1-UC3856N Datasheet
3Mb / 14P
[Old version datasheet]   Improved Current Mode PWM Controller
UC1856 TI1-UC1856_12 Datasheet
3Mb / 14P
[Old version datasheet]   Improved Current Mode PWM Controller
UC1856-SP TI-UC1856-SP_15 Datasheet
454Kb / 23P
[Old version datasheet]   UC1856-SP Improved Current-Mode PWM Controller
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Intersil Corporation
ISL6840 INTERSIL-ISL6840_07 Datasheet
278Kb / 12P
   Improved Industry Standard Single-Ended Current Mode PWM Controller
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