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參數資料
| 型號： | IR1110 |
| 廠商： | International Rectifier |
| 英文描述： | SOFT START CONTROLLER IC |
| 中文描述： | 軟起動控制器芯片 |
| 文件頁數： | 1/32頁 |
| 文件大小： | 227K |
| 代理商： | IR1110 |
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ADVANCE INFORMATION Data Sheet No. PD60164A
IR1110
System Block Diagram
Product Summary
V
DDS
/V
SS
+/- 5V
I
SS
/I
DD
+/- 5mA
DC bus registration
response time
100msec (typ.)
Min. DC bus regulation 35% of V
DCMAX
voltage with capacitive load
Programmable
DC bus ramp time
100msec to
330msec (typ.)
SOFT START CONTROLLER IC
Features
Self-contained soft charging of DC bus capacitor
DC bus voltage regulation
3-phase or 1-phase AC input
Applicable to 115/230/380/460/575V AC input
Drives SCR phase controlled half bridge
Programmable ramp rate
Protection against DC bus short circuit
Fast power dip ride through with automatic ramp back
Selectable shutdown on single phase loss
1-phase and 3-phase loss fault output
Insensitive to phase rotation
High line or low line fault output
Low power consumption
Integrated watchdog function for each phase
64-pin MQFP package
Description
The IR1110 is a high performance analog IC designed
to control ramp rate and voltage of the DC bus from
either single or three phase AC line voltage input. It con-
trols a SCR half bridge and provides robust ride through
capability in event of transient loss of line, and DC bus
regulation with eternal reference input. Comprehensive
line status fault output including 1/3 phase loss and high
or low line fault provides versatile line diagnostic capa-
bility to the system. The IR1110 is based on advanced
low power design so it can utilize the SCR snubber
derived power supply.
Typical Application
Motor drives
Welders
Battery chargers
Power supplies
Package
Snubber and
Snubber derived
power supply
(Optional)
and
Peripheral
Components
IR1110
AC
3-Phase
Input
+
-
(Optional)
64 Lead MQFP
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