LM3633YFQR
ActiveCOMPLETE LIGHTING POWER SOLUTION FOR SMARTPHONE HANDSETS
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LM3633YFQR
ActiveCOMPLETE LIGHTING POWER SOLUTION FOR SMARTPHONE HANDSETS
Deep-Dive with AI
Technical Specifications
Parameters and characteristics for this part
| Specification | LM3633YFQR |
|---|---|
| Applications | Backlight |
| Current - Output / Channel | 30 mA |
| Dimming | PWM |
| Frequency | 1 MHz, 500 kHz |
| Internal Switch(s) | True |
| Mounting Type | Surface Mount |
| Number of Outputs | 6 |
| Operating Temperature [Max] | 125 ¯C |
| Operating Temperature [Min] | -40 °C |
| Package / Case | DSBGA, 20-WFBGA |
| Supplier Device Package | 20-DSBGA |
| Supplier Device Package [x] | 2.04 |
| Supplier Device Package [y] | 1.78 |
| Topology | Switched Capacitor (Charge Pump), Step-Up (Boost) |
| Type | DC DC Regulator |
| Voltage - Output | 40 V |
| Voltage - Supply (Max) | 5.5 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 1.93 | |
| 10 | $ 1.73 | |||
| 25 | $ 1.63 | |||
| 100 | $ 1.39 | |||
| 250 | $ 1.31 | |||
| 500 | $ 1.14 | |||
| 1000 | $ 0.95 | |||
| Digi-Reel® | 1 | $ 1.93 | ||
| 10 | $ 1.73 | |||
| 25 | $ 1.63 | |||
| 100 | $ 1.39 | |||
| 250 | $ 1.31 | |||
| 500 | $ 1.14 | |||
| 1000 | $ 0.95 | |||
| Tape & Reel (TR) | 3000 | $ 0.88 | ||
| 6000 | $ 0.85 | |||
| Texas Instruments | LARGE T&R | 1 | $ 1.45 | |
| 100 | $ 1.20 | |||
| 250 | $ 0.86 | |||
| 1000 | $ 0.65 | |||
Description
General part information
LM3633 Series
The LM3633 11-bit LED driver provides high-performance backlight dimming for 1, 2, or 3 parallel high-voltage LED strings while delivering up to 90% efficiency. The boost converter with integrated 1-A, 40-V MOSFET automatically adjusts to LED forward voltage to minimize headroom voltage and effectively improve LED efficiency.
The LM3633 is a complete power source for backlight, keypad, and indicator LEDs in smartphone handsets. The high-voltage inductive boost converter provides the power for three parallel LED strings (HVLED1, HVLED2 and HVLED3). The integrated charge pump provides the bias for the six low-voltage indicator LEDs (LVLED1-LVLED6). All low-voltage current sinks can have a programmable pattern modulated onto their output current for a wide variety of blinking patterns.
An additional feature is a Pulse Width Modulation (PWM) control input for content adjustable backlight control, which can be used to control any high-voltage current sink.
Documents
Technical documentation and resources