MX884HTTR IXYS, MX884HTTR Datasheet - Page 81
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MX884HTTR
Manufacturer Part Number
MX884HTTR
Description
IC CURRENT MONITOR TSOT23-6
Manufacturer
IXYS
Specifications of MX884HTTR
Function
Current Monitor
Sensing Method
High-Side
Voltage - Input
3 ~ 60 V
Mounting Type
Surface Mount
Package / Case
TSOT-23-6, TSOT-6
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output
-
Operating Temperature
-
Accuracy
-
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MXHV9911
Off-Line High Performance LED Driver
Features
• 8V to 250V Input Voltage Range
• Constant Frequency Current Mode Converter
• Closed Loop LED Current Control
• Resistor Programmable Slope Compensation
• Resistor Programmable Oscillator Frequency
• Linear or PWM Brightness Control
• Large PWM Dimming Ratio
• Open LED String (Over Voltage) Protection
• Shorted LED String (Over Current) Protection
• Multi-Device Synchronization Capability
• Capacitor Programmable Soft-Start Function
• Auxiliary Winding V
• SOIC-16 EP RoHS Compliant Package
Applications
• Flat Panel Display RGB Backlighting
• Signage and Decorative LED Lighting
• DC/DC or AC/DC LED Driver Applications
Functional Block Diagram and Typical Application
PWMD
SYNC
VIN
CIN
R1
R2
R3
RSLOPE
DD
ROSC
Operation Capability
13
10
15
1
6
8
9
7
C1
LEDSET
ROSC
PWMD
VIN
RSLOPE
SYNC
CSTH
VREXT
MXHV9911
L1
LEDCS
FAULT
COMP
_____
PGND
GATE
VDD
OVP
CS
12
11
16
14
CC1
2
4
3
5
CDD
RRMP
RC
CC2
General Description
The MXHV9911 is a high-efficiency off-line LED driver designed
to operate as a constant current source. MXHV9911 can operate
from 8Vdc to 250Vdc and the range can be extended by using
external zener diodes. The wide input operating voltage enables
a broad range of High Brightness (HB) LED applications that
include Off-Line. The MXHV9911 employs a constant frequency,
peak- current mode control with slope compensation that can
be configured as buck, boost, buck-boost or SEPIC
configuration. The user can program the oscillator frequency
and the slope compensation ramp to optimize efficiency and
external component size. Multiple MXHV9911 controllers can
be synchronized to an external clock applied to the SYNC pin.
The MXHV9911 can accomplish a very wide LED dimming
range by using a combination of analog and digital brightness
controls.
Ordering Information
Part No.
MXHV9911BE
MXHV9911BETR
RCS
M1
D1
RVOP2
RVOP2
M2
Description
SOIC-16 EP Tube
SOIC-16 EP Tape & Reel
RLED
VOUT
COUT
2000
100
Qty
59
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