MXHV9910BTR Clare, MXHV9910BTR Datasheet
MXHV9910BTR
Specifications of MXHV9910BTR
Related parts for MXHV9910BTR
MXHV9910BTR Summary of contents
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... DC voltage to the LD pin applying a low-frequency digital PWM signal to the PWMD pin. The MXHV9910 is available in a standard 8-lead SOIC package and a thermally enhanced 8-lead SOIC package with an Exposed Thermal Pad (EP) Ordering Information Part MXHV9910B MXHV9910BTR MXHV9910BE MXHV9910BETR Voltage Regulator OSC - PWM Control ...
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... Gate Output Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.2.8 Linear Dimming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.2.9 PWM Dimming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.2.10 Combination Linear and PWM Dimming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3 Manufacturing Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3.1 Mechanical Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3.2 Packaging Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 3.2.1 Tape & Reel Information for both 8-Pin Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 3.3 Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 3.4 Washing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 R01 www.clare.com MXHV9910 2 ...
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... D 0.975 T 150 Jmax T - -40 to +150 J T -55 to +150 STG www.clare.com MXHV9910 Name Description V Input voltage IN LED Current Sense input. Internal current CS sense threshold is set at 250mV. The external sense resistor sets the maximum LED current. GND Device Ground GATE External MOSFET gate driver output ...
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... DELAY R =400kΩ -10mA V OUT GATE I =10mA V OUT GATE t C =500pF RISE GATE C =500pF t FALL GATE Package Symbol 1 SOIC-8 With Thermal Pad (BE) R θJA SOIC-8 W/O Thermal Pad (B) www.clare.com Maximum Unit V 450 +85 °C =25°C. A Minimum Typical Maximum 8 - 450 IN - 0.3 0 7.2 7.8 8 ...
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... GND 2.1 Overview The MXHV9910 is a high-efficiency, low cost, off-line LED driver designed using Clare's state of the art BCDMOS on SOI process. The driver can operate from a DC supply voltage between 8 to 450V versatile input supply voltage range enables this driver to be used in a broad range of applications such as flat panel display RGB backlighting, signage, decorative LED lighting, and incandescent lamp replacement ...
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... I = average LED current LED The power dissipation rating of the sense resistor can be found with the following formula: www.clare.com Time Scale: 5μs/div CH1: 50mA/div F 65kHz S Max 77mA CH2: 10V/div CH3: 5mV/div x 10 ≈ ...
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... S The maximum duty cycle must be restricted to less than 50% in order to prevent sub-harmonic oscillations and open loop instability. Figure 4 The converter maximum ON-time is given by Where f oscillator. The inductor value for the given ripple is: www.clare.com MXHV9910 Oscillator Frequency vs =27ºC) A 200 400 600 ...
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... PWMD is high, gate drive is enabled. D1 Schottky 40V 220μH MXHV9910 402kΩ GND V DD GATE PWMD 0.1μF 50V www.clare.com . This function is useful if the user requires a DD value available. Note that applying a voltage . DD LD Monitor R1 402kΩ R2 51kΩ MXHV9910 RA1 LD 5.0kΩ V ...
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... Note: The output current will not go to zero if the LD pin is pulled to GND because the minimum gate driver on-time is equal to the current sense blanking interval. To achieve zero LED current, the PWMD pin should be used. R01 www.clare.com MXHV9910 9 ...
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... Recommended PCB Land Pattern 1.55 (0.061) 0.60 (0.024) Recommended PCB Land Pattern 1.55 (0.09) (0.061) 2.40 (0.09) ...
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... The products described in this document are not designed, intended, authorized, or warranted for use as components in systems intended for surgical implant into the body other applications intended to support or sustain life, or where malfunction of Clare’s product may result in direct physical harm, injury, or death to a person or severe property or environmental damage. Clare, Inc. reserves the right to discontinue or make changes to its products at any time without notice. ...