參數(shù)資料
型號(hào)： MAX1778
廠商： Maxim Integrated Products, Inc.
英文描述： 32-Bit Digital Signal Controller with ROM 100-LQFP -40 to 85
中文描述： 四路輸出、TFT LCD DC-DC轉(zhuǎn)換器，帶有緩沖器
文件頁(yè)數(shù)： 18/38頁(yè)
文件大小： 1051K
代理商： MAX1778
M
Quad-Output TFT LCD DC-DC
Converters with Buffer
18
______________________________________________________________________________________
Pin Description (continued)
PIN
MAX1778
MAX1881
MAX1880
MAX1882
MAX1883
MAX1884
MAX1885
NAME
FUNCTION
14
12
LDOOUT
Linear Regulator Output. Sources up to 40mA. Bypass to GND with
a ceramic capacitor determined by:
15
13
FBL
Voltage Setting Input. Connect a resistive divider from the linear
regulator output (V
LDOOUT
) to FBL to analog ground (GND).
16
16
14
14
FLTSET
Fault Trip-Level Set Input. Connect to a resistive divider between
REF and GND to set the main step-up converter
’
s and positive
charge pump
’
s fault thresholds between 0.67 x V
REF
and 0.85 x
V
REF
. Connect to GND for the preset fault threshold (0.9 x V
REF
).
17
17
SUPN
Negative Charge-Pump Driver Supply Voltage. Bypass to power
ground (PGND) with a 0.1μF capacitor.
18
18
DRVN
Negative Charge-Pump Driver Output. Output high level is V
SUPN
and low level is PGND.
19
19
SUPP
Positive Charge-Pump Driver Supply Voltage. Bypass to power
ground (PGND) with a 0.1μF capacitor.
20
20
DRVP
Positive Charge-Pump Driver Output. Output high level is V
SUPP
and low level is PGND
21
21
17
17
PGND
Power Ground. Connect to analog ground (GND) underneath the
IC.
22
22
18
18
LX
Main Step-Up Regulator Power MOSFET N-Channel Drain. Place
output diode and output capacitor as close to PGND as possible.
23
23
19
19
TGND
Must be connected to ground.
24
24
20
20
RDY
Active-Low, Open-Drain Output. Indicates all outputs are ready.
On-resistance is 125
(typ).
13, 14, 15
15, 16
11, 12, 13,
15, 16
N.C.
No Connection. Not internally connected.
C
ms X
I
V
LDOOUT
LDOOUT MAX
LDOOUT
.
0 5
(
)
≥
相關(guān)PDF資料
PDF描述
MAX1880 Quad-Output TFT LCD DC-DC Converters with Buffer
MAX1881 Quad-Output TFT LCD DC-DC Converters with Buffer
MAX1882 Quad-Output TFT LCD DC-DC Converters with Buffer
MAX1883 Quad-Output TFT LCD DC-DC Converters with Buffer
MAX1884 Quad-Output TFT LCD DC-DC Converters with Buffer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1778EUG 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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(fēng)格:SMD/SMT
MAX1778EUG+ 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Quad-Output TFT LCD w/Buffer RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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(fēng)格:SMD/SMT
MAX1778EUG+T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Quad-Output TFT LCD w/Buffer RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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(fēng)格:SMD/SMT
MAX1778EUG-T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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(fēng)格:SMD/SMT
MAX1778EVKIT 功能描述:電源管理IC開(kāi)發(fā)工具 MAX1778/80/81/82 Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
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