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ISL97694A Datasheet(PDF) 8 Page - Intersil Corporation |
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ISL97694A Datasheet(HTML) 8 Page - Intersil Corporation |
8 / 28 page ISL97692, ISL97693, ISL97694A 8 FN7839.2 July 19, 2012 EN 6 7 8 Enable Input. High = Normal operation. Low = Shutdown. VIN 7 8 9 Input Supply Voltage. FPWM 8 10 Tie FPWM to VIN to select Direct PWM mode. In Direct PWM mode, the channel outputs follow the PWMI pin’s frequency and pulse width. Connect resistor RFPWM from FPWM to GND to select PWM dimming frequency adjustment. In this mode, the channel outputs follow the PWMI pin’s PWM duty, and the LED PWM dimming frequency is set by the value of resistor RFPWM. LX 9 9 11 Input to boost switch. PGND 10 10 12 Power ground (LX, CIN, and COUT Power return). FSW 11 11 14 Switching Frequency Adjustment. The boost switching frequency is adjusted from 400kHz to 1.5MHz with resistor RFSW from FSW pin to GND. OVP 12 12 15 Overvoltage protection input. CH1 13 13 16 Channel 1 current sink and channel monitoring. Tie pin to GND if channel unused. CH2 14 14 17 Channel 2 current sink and channel monitoring. Tie pin to GND if channel unused. CH3 15 15 18 Channel 3 current sink and channel monitoring. Tie pin to GND if channel unused. CH4 16 16 19 Channel 4 current sink and channel monitoring. Tie pin to GND if channel unused. NC 6, 13 Not connected. Pin Descriptions (Continued) PIN NAME ISL97692 ISL97693 ISL97694A DESCRIPTION Ordering Information PART NUMBER (Notes 1, 2, 3) PART MARKING TEMP RANGE (°C) PACKAGE (Pb-free) PKG. DWG. # ISL97692IRTZ 7692 -40 to +85 16 Ld 3mmx3mmx0.75mm TQFN L16.3x3D ISL97693IRTZ 7693 -40 to +85 16 Ld 3mmx3mmx0.75mm TQFN L16.3x3D ISL97694AIRTZ 694A -40 to +85 20 Ld 3mmx4mmx0.8mm TQFN L20.3x4A ISL97692IRTZ-EVALZ Evaluation board ISL97693IRTZ-EVALZ Evaluation board ISL97694AIRT-EVZ Evaluation board NOTES: 1. Add “-T*” suffix for tape and reel. Please refer to TB347 for details on reel specifications. 2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate - e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. 3. For Moisture Sensitivity Level (MSL), please see device information page for ISL97692, ISL97693 ISL97694A. For more information on MSL please see tech brief TB363. |
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