參數(shù)資料
型號: MAX1620EEE
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Digitally Adjustable LCD Bias Supplies
中文描述: SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDSO16
封裝: 0.150 INCH, 0.025 INCH PITCH, QSOP-16
文件頁數(shù): 19/20頁
文件大?。?/td> 253K
代理商: MAX1620EEE
M
Digitally Adjustable LCD Bias S upplies
______________________________________________________________________________________
19
___________________Chip Information
TRANSISTOR COUNT: 341
SUBSTRATE CONNECTED TO AGND
R1
360k
2V
TO
12V
BATT
POK
V
DD
POL
SHDN (SUS)
DN (SDA)
UP (SCL)
REF
AGND
D1
MBRS0540+
Q1
MMBT4401LT1
Q1
MMBT2907
3
5
11
7
4
1
2
6
12
( ) ARE FOR MAX1621.
NOTE:
CONNECTIONS TODIGITAL INPUTS NOT SHOWN.
14
16
15
13
R3
300k
RS
470
R4
300k
R5
2.2M
C6
100pF
10
9
8
LX
DHI
DLO
PGND
DOUT
FB
LCDON
3V
TO
5.5V
C1
0.1
μ
F
C2
0.1
μ
F
R2
100k
C3
10
μ
F
C5
10
μ
F
12.5V
TO
23.5V OUT
VOUTSW
OPTIONAL
R6
150k
R7
150k
L1
220
μ
H
MAX1620
MAX1621
U1
R8
10k
TOREF
D3 1N6263 (ANY SCHOTTKY)
Figure 10. Positive Output with Bipolar Switching Transistor
___________________________________________________S implified Bloc k Diagram
BIAS
SHDN
V
DD
AGND
DN (SDA)
UP (SCL)
SHDN (SUS)
POL
REF
FB
BATT
POK
( ) ARE FOR MAX1621 ONLY.
DOUT
LX
DHI
DLO
PGND
LCDON
DIGITAL
INTERFACE
BANDGAP
REFERENCE
5-BIT
DAC
1.0V
1.5V
ON-TIME
CONTROL
MAX1620
MAX1621
相關(guān)PDF資料
PDF描述
MAX1621EEE Digitally Adjustable LCD Bias Supplies
MAX1623 3A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches
MAX1623EAP 3A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches
MAX1624 High-Speed Step-Down Controllers with Synchronous Rectification for CPU Power
MAX1625ESE High-Speed Step-Down Controllers with Synchronous Rectification for CPU Power
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1620EEE+ 功能描述:其他電源管理 Digitally Adjustable LCD Bias Supply RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel
MAX1620EEE+T 功能描述:LCD 驅(qū)動器 Digitally Adjustable LCD Bias Supply RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
MAX1620EEE-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX1620EPE+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
MAX1620ESE+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube