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參數(shù)資料
| 型號(hào)： | ISL97652IRZ-T |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 4-Channel Integrated LCD Supply with Dual VCOM Amplifiers |
| 中文描述： | 2.5 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PQCC48 |
| 封裝： | 7 X 7 MM, ROHS COMPLIANT, PLASTIC, MO-220VKKD-2, QFN-48 |
| 文件頁數(shù)： | 11/25頁 |
| 文件大?。?/td> | 709K |
| 代理商： | ISL97652IRZ-T |
11
FN9287.0
December 21, 2006
Typical Application Diagram
Applications Information
The ISL97652 provides a complete power solution for TFT
LCD applications. The system consists of one boost
converter to generate A
VDD
voltage for column drivers, one
buck converter to provide voltage to logic circuit in the LCD
panel, integrated V
ON
and V
OFF
charge pump controllers,
A
VDD
delay FET, V
ON-SLICE
and dual high speed VCOM
amplifiers. With the high output current capability, this part is
ideal for big screen LCD TV and monitor panel application.
The integrated boost converter and buck converter operate
at either 650kHz or 1.3MHz which allow the use of multilayer
ceramic capacitors and low profile inductor which result in
low cost, compact and reliable system.
Boost Converter
The boost converter is a current mode PWM converter
operating at either 650kHz or 1.3MHz. 650kHz operation
allows operation down to lower duty cycles. It can operate in
both discontinuous conduction mode (DCM) at light load or
when operating duty cycle is lower than the minimum duty
cycle and continuous mode (CCM). In continuous current
mode, current flows continuously in the inductor during the
entire switching cycle in steady state operation. The voltage
conversion ratio in continuous current mode is given by:
Where D is the duty cycle of the switching MOSFET.
SW1
SW2
FB
VGL
VC
DLY1
DLY2
RE
VGHM
GATE DRIVER
SUPPLY
VGH
FBP
OGND
PGND1
AGND
GND
POS1
NEG1
OUT1
POS2
NEG2
OUT2
0.1μF
0.1μF
220nF
DRVN
FBN
REF
SUP
FREQ
EN2
EN1
0.1μF
0.1μF
0.1μF
SS
R
C
C
C
4.7nF
R1
R2
20k
4.7μF
R
E
10k
R7
232k
R8
10k
A
VDD
4 x 10μF
A
VDD
R9
R10
100k
COMMON
BACK-PLANE
COMMON
BACK-PLANE
4.7μF
V
OFF
3 x 10μF
L1
D1
D3
R5
40.2k
R6
453k
V
IN
SWO
AVIN
PGND3
PGND2
CE
10nF
CE
L2
D4
VFLK
VDPM
DRVP
A
VDD
0.1μF
SSB
VCB
VDC
FBB
T
CON
BIAS
R3
0
R4
R11
340
200
0.1μF
A
VDD
CB
SWB2
SWB1
CBOOT
R
CB
C
CB
0.1μF
V
ON
SWI
SUI
0.1μF
D5
D6
D7
3 x
10μF
1x100nF
V
MAIN
V
IN
C
B
2x10μF
PVIN1PVIN2
C
AVDD
C
IN
C
C
REF
C2*
C3*
C
OFF
C
N
C
AVIN
C
SSB
C
DC
4.7μF
C
C5*
C4*
C
ON
C
D2
C
C
SS
C
SUI
C
VIN
*Optional components.
NOTE: Separate PGND and SGND planes must be used, see PCB layout procedure section.
100k
470nF
6.8μH
10k
4.7nF
*
226k
6.8μH
10k
100nF
C11
C12
*
*
R12
*
*
C21
C22
V
IN
-----------------------
–
1
D
-------------
=
(EQ. 1)
ISL97652
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISL97652IRZ-TK | 4-Channel Integrated LCD Supply with Dual VCOM Amplifiers |
| ISL97653A | 5-Channel Integrated LCD Supply |
| ISL97653AIRZ | 5-Channel Integrated LCD Supply |
| ISL97653AIRZ-T | 5-Channel Integrated LCD Supply |
| ISL97653AIRZ-TK | 5-Channel Integrated LCD Supply |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL97652IRZ-TK | 功能描述:IC LCD SUPPLY 4CH DUAL AMP 48QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 應(yīng)用說明:Ultrasound Imaging Systems Application Note 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:37 系列:- 應(yīng)用:醫(yī)療用超聲波成像，聲納 電流 - 電源:- 電源電壓:2.37 V ~ 6 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:56-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-TQFN-EP（8x8） 包裝:管件 |
| ISL97653AIRZ | 功能描述:電流型 PWM 控制器 5-CH INTEGRTD LCD SUPPLY W/TEMP SENSOR RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| ISL97653AIRZ-T | 功能描述:電流型 PWM 控制器 5-CH INTEGRTD LCD SUPPLY W/TEMP SENSOR RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| ISL97653AIRZ-TK | 功能描述:電流型 PWM 控制器 5-CH INTEGRTD LCD SUPPLY W/TEMP SENSOR RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| ISL97653IRZ | 制造商:Intersil Corporation 功能描述: |
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