EL7584IR Intersil, EL7584IR Datasheet
EL7584IR
Specifications of EL7584IR
Available stocks
Related parts for EL7584IR
EL7584IR Summary of contents
Page 1
... EL7584IR EL7584IR-T7 VDDP EL7584IR-T13 FBP EL7584IRZ VSSC (See Note) EL7584IRZ-T7 VCOM (See Note) VDDC EL7584IRZ- T13 (See Note) NOTE: Intersil Pb-free products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. ...
Page 2
Absolute Maximum Ratings ( Pin Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3
Electrical Specifications V = 3.3V PARAMETER DESCRIPTION POSITIVE REGULATED CHARGE PUMP (V Most positive V output depends on the magnitude of the V ON configuration (doubler or tripler) V Supply Input for Positive Charge Pump DDP IQ1(V ) ...
Page 4
Pin Descriptions I = Input Output Supply PIN NUMBER PIN NAME FBB VDDB 5 LX1 6 LX2 7 VSSN* 8 DRVN 9 VDDN 10 FBN INC 13 ...
Page 5
Typical Performance Curves 12V 80 15V =3. FREQ=1MHz 50 0 100 200 300 400 500 I (mA) OUT FIGURE 1. EFFICIENCY 12V 15V ...
Page 6
Typical Performance Curves f=675kHz, V =5.0V IN 1.5 1.0 0.5 0.0 -0.5 -1.0 18V 15V -1.5 0 100 200 300 400 I (mA) OUT FIGURE 7. LOAD REGULATION vs I f=1MHz, V =5.0V IN 1.5 1.0 0.5 0.0 -0.5 -1.0 ...
Page 7
Typical Performance Curves f(MHz)=1/(0.0118 R +0.378) OSC 1400 1200 1000 800 600 400 200 100 150 200 250 R (kΩ) OSC FIGURE 13 100K & 0.1µF DELAY NETWORK ON ENP, C 5V/DIV 10V/DIV ...
Page 8
Typical Performance Curves JEDEC JESD51-7 HIGH EFFECTIVE THERMAL CONDUCTIVITY TEST BOARD 1.4 1.2 1.176W 1 0.8 0.6 0.4 0 AMBIENT TEMPERATURE (°C) FIGURE 19. PACKAGE POWER DISSIPATION vs AMBIENT TEMPERATURE Functional Block Diagram FBB MAX_DUTY ...
Page 9
Applications Information The EL7584 is high efficiency multiple output power solution designed specifically for thin-film transistor (TFT) liquid crystal display (LCD) applications. The device contains one high current boost converter and two low power charge pumps (V and V ). ...
Page 10
The following table gives typical values: (Margins are considered 10%, 3%, 20%, 10%, and 15 and I , respectively LMT TABLE 1. MAXIMUM CONTINUOUS OUTPUT CURRENT V (V) V ...
Page 11
Single Stage Charge Pump V DDN 5V TO 17V 0.1µF R ONP DRVN C CPN V R OFF ONN C OUT2 V SSN 3.3µ FBN REF Positive Charge Pump Design Considerations A single stage charge ...
Page 12
Two-Stage Positive Charge Pump Circuit V DDP R ONP DRNP R ONN V SSP - + 1.265V The maximum V output voltage for N+1 stage charge pump is ≤ × × × max 2 V ...
Page 13
Two-Stage Negative Charge Pump Circuit V DDN R DRVN The maximum V output voltage for N+1 stage charge pump is: OFF ( ) ≥ × × max OFF OUT ...
Page 14
This means the active transconductance is: × × 2π 1µF 500kHz 3.14S = This high transconductance indicates why it is important to ...
Page 15
Typical Application Circuit R 2 110kΩ 13kΩ BOOST (12V@ 22µF 350mA) VIN 10µF GND V OFF 154kΩ 3.3µF **D 21 REFERENCE * MBRM120LT3 ** BAT54S *** ...
Page 16
... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...