參數(shù)資料
型號(hào): MAX1885EUP
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Fixed-Point Digital Signal Processor 256-BGA
中文描述: 2.05 A SWITCHING REGULATOR, 625 kHz SWITCHING FREQ-MAX, PDSO20
封裝: 4.40 MM, 1.10 MM HEIGHT, MO-153AC, TSSOP-20
文件頁(yè)數(shù): 35/38頁(yè)
文件大小: 1051K
代理商: MAX1885EUP
the
Typical Operating Characteristics
. Set the resistive
divider to precharge BUFOUT, matching the buffer
s
output set voltage:
These resistor values are selected to charge the output
capacitor close to the output set voltage before the
buffer starts up:
C
R
(
R
f
BUFOUT
OSC
||
)
3
4
5000
R
R
V
V
SUPB
BUFOUT
3
4
1
=
M
Quad-Output TFT LCD DC-DC
Converters with Buffer
______________________________________________________________________________________
35
PART
MAX1778
MAX1880
MAX1881
MAX1882
MAX1883
MAX1884
MAX1885
STEP-UP
SWITCHING
FREQUENCY
(H
z
)
1M
1M
500k
500k
1M
500k
500k
DUAL
CHARGE
PUMPS
Yes
Yes
Yes
Yes
No
No
No
LINEAR
REGULATOR
Yes
No
Yes
No
Yes
Yes
No
Selector Guide
IN
SHDN
BUFFER OUTPUT
V
BUFOUT
= V
SUPB
/2
SUPB
LX
L1
6.8
μ
H
INPUT
V
IN
= 3.3V
C1
0.22
μ
F
C
OUT
(2) 4.7
μ
F
C
IN
4.7
μ
F
R1
274k
R2
49.9k
FB
BUFOUT
BUF+
GND
BUF-
REF
INTG
PGND
C
REF
0.22
μ
F
MAX1778
C
SUPB
1.0
μ
F
C
BUF
1.0
μ
F
R3
10k
R4
10k
MAIN
V
MAIN
= 8V
R3 = R4
[(
)
-1
]
BUFOUT
V
SUPB
Figure 11. VCOM Buffer Soft-Start;
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PDF描述
MAX1778EUG Quad-Output TFT LCD DC-DC Converters with Buffer
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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MAX1886ESA+ 制造商:Maxim Integrated Products 功能描述:HIGH-CURRENT VCOM DRIVE BUFFER - Rail/Tube
MAX1886EUK 制造商:Maxim Integrated Products 功能描述:HIGH-CURRENT VCOM DRIVE BUFFER - Rail/Tube
MAX1886EUK+T 功能描述:運(yùn)算放大器 - 運(yùn)放 RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
MAX1886EUK-T 功能描述:運(yùn)算放大器 - 運(yùn)放 RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel