參數資料
型號: MAX863EEE
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Dual, High-Efficiency, PFM, Step-Up DC-DC Controller
中文描述: DUAL SWITCHING CONTROLLER, PDSO16
封裝: 0.150 INCH, 0.025 INCH PITCH, QSOP-16
文件頁數: 8/16頁
文件大小: 194K
代理商: MAX863EEE
M
Dual, High-Effic ienc y, PFM, S tep-Up
DC-DC Controller
8
_______________________________________________________________________________________
MAX863
EXT2
CS2
V
OUT2
= 12V
V
OUT1
= 5V
V
IN
= 2.7V TO THE LOWER OF V
OUT1
OR V
OUT2
N1.B
IRF7301
C7
0.1
μ
F
R4
115k
1%
C8
82pF
C6
10pF
1M
C5
100
μ
F
20V
0.1
R2
50m
R3
1M
1%
N1.A
R1
50m
R7
100k
C1
220
μ
F
10V
0.1
R5
R6
D1
MBRS340T3
D2
MBRS340T3
L1
10
μ
H
2A
L2
10
μ
H
2A
C3
100
μ
F
10V
0.1
C4
100
μ
F
10V
0.1
C2
0.1
μ
F
ON/OFF
FB2
SHDN1
EXT1
CS1
LBO
LOW-BATTERY
DETECTOR OUTPUT
LBI
SENSE1
PGND
V
DD
GND
FB1
SHDN2
REF
BOOT
Figure 4a. Non-Bootstrapped Typical Operating Circuit
Figures 3a–3f. MAX863 Switching Waveforms During Transition into Continuous Conduction
A
B
C
A
B
C
V
= 3.3V
PLOTS a-d: INTERNAL FEEDBACK
PLOTS e-f: UNCOMPENSATED,
EXTERNAL FEEDBACK
A: MOSFET DRAIN, 2V/div
B: V
OUT
1, 100mV/div, 3.3V DC OFFSET
C: INDUCTOR CURRENT, 1A/div
20
μ
s/div
a)
I
OUT1
= 287mA
20
μ
s/div
b)
I
OUT1
= 608mA
20
μ
s/div
c)
I
OUT1
= 767mA
OV
3.3V
0A
OV
3.3V
0A
20
μ
s/div
d)
I
OUT1
= 1.01A
20
μ
s/div
e)
I
OUT1
= 757mA
20
μ
s/div
f)
I
OUT1
= 881mA
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相關代理商/技術參數
參數描述
MAX863EEE+ 功能描述:DC/DC 開關控制器 Dual PFM Step-Up DC/DC Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
MAX863EEE+T 功能描述:DC/DC 開關控制器 Dual PFM Step-Up DC/DC Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
MAX863EEE-T 功能描述:DC/DC 開關控制器 Dual PFM Step-Up DC/DC Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
MAX863EVKIT 功能描述:DC/DC 開關控制器 Evaluation Kit for the MAX863 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
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