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ISL97671AIRZ-TK LED Driver IC 6 Output Regulator Step-Up PWM
Dimming 50mA
Specifications of ISL97671AIRZ-TK
| TYPE | DESCRIPTION |
| Category | Integrated Circuits (ICs) |
| Power Management (PMIC) | |
| LED Drivers | |
| Mfr | Renesas Electronics America Inc |
| Series | - |
| Package | Tape & Reel (TR) |
| Type | DC DC Regulator |
| Topology | Step-Up (Boost) |
| Internal Switch(s) | Yes |
| Number of Outputs | 6 |
| Voltage - Supply (Min) | 4.5V |
| Voltage - Supply (Max) | 26.5V |
| Voltage - Output | 45V |
| Current - Output / Channel | 50mA |
| Frequency | 600kHz, 1.14MHz |
| Dimming | PWM |
| Applications | Backlight |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 20-VFQFN Exposed Pad |
| Supplier Device Package | 20-QFN (3x4) |
| Base Product Number | ISL97671 |
Features of ISL97671AIRZ-TK
• 6 x 50mA channels
• 4.5V to 26.5V input with 45V maximum output
• 3V (see Figure 38 on page 26) to 21V input with 26.5V maximum
output
• PWM dimming with phase shift control
• SMBus/I2C controlled PWM or DC dimming
• Direct PWM dimming
• PWM dimming linearity
- PWM dimming with adjustable dimming frequency and duty cycle
linear from 0.4% to 100% <30kHz
- Direct PWM dimming duty cycle linear from 0.007% to 100% at 200Hz
• Current matching ±0.7%
• 600kHz/1.2MHz selectable switching frequency
• Dynamic headroom control
• Fault protection
- String open/short-circuit, OVP, OTP, and optional output
short-circuit fault protection
• 20 Ld 4mmx3mm QFN package
Introduction of ISL97671AIRZ-TK
• Tablet PC to notebook displays LED backlighting
• LCD monitor LED backlighting
• Field sequential RGB LED backlighting
