Package Information
| CAD Model: | View CAD Model |
| Pkg. Type: | QFN |
| Pkg. Code: | LCW |
| Lead Count (#): | 28 |
| Pkg. Dimensions (mm): | 5.0 x 4.0 x 0.90 |
| Pitch (mm): | 0.5 |
Environmental & Export Classifications
| Pb (Lead) Free | No |
| ECCN (US) | EAR99 |
| HTS (US) | 8542.39.0090 |
| Moisture Sensitivity Level (MSL) |
Product Attributes
| Lead Count (#) | 28 |
| Carrier Type | Tube |
| Pb (Lead) Free | No |
| Temp. Range (°C) | -40 to +85°C |
| Advanced Features | UVLO, UVP, OVP, OCP, and OTP Protection |
| Boost Current Limit (A) | 1.5 |
| Gamma (#) | 0 |
| Input Voltage (Max) (V) | 5.5 |
| Input Voltage (Min) (V) | 2.5 |
| Input Voltage Range (V) | 2.5 - 5.5 |
| Length (mm) | 5 |
| Logic Voltage (Max) | VIN |
| Logic Voltage (Min) | 0.8 |
| MOQ | 450 |
| Off Voltage (Max) (V) | 0 - 0 |
| Off Voltage (Min) (V) | -10 |
| On Voltage (Max) (V) | 33 - 33 |
| On Voltage Range (V) | 7 - 33 |
| Pitch (mm) | 0.5 |
| Pkg. Dimensions (mm) | 5.0 x 4.0 x 0.90 |
| Pkg. Type | QFN |
| Qualification Level | Standard |
| Thickness (mm) | 0.9 |
| VBOOST (V) | 15 |
| VCOM amplifiers (#) | 1 |
| VLOGIC | 0.8 to VIN |
| VOFF/VN | -10 to 0 |
| Width (mm) | 4 |
Resources for ISL97649B
Description
Support is limited to customers who have already adopted these products.
The ISL97649B is an integrated power management IC (PMIC) for TFT-LCDs used in notebooks, tablet PCs, and monitors. The device integrates a boost converter for generating AVDD. VON and VOFF are generated by a charge pump driven by the switching node of the boost. The ISL97649B also includes a VON slice circuit, reset function, and a high performance VCOM amplifier with DCP (Digitally Controlled Potentiometer) that is used as a VCOM calibrator. The AVDD boost converter features a 1. 5A /0. 18Ω boost FET with 600/1200kHz switching frequency. The gate pulse modulator can control gate voltage up to 30V, and both the rate and slew delay time are selectable. The supply monitor generates a reset signal when the system is powered down. The ISL97649B provides a programmable VCOM with I2C interface. One VCOM amplifier is also integrated in the chip. The output of VCOM is power-up with voltage at the last programmed 8-bit EEPROM setting.