參數(shù)資料
型號(hào)： MAX1765
廠商： Maxim Integrated Products, Inc.
元件分類： 數(shù)字信號(hào)處理
英文描述： Replaced by TMS320C6410 : Digital Signal Processors 68-PLCC -40 to 85
中文描述： 800mA、低噪聲、升壓型DC-DC轉(zhuǎn)換器，帶有500mA線性穩(wěn)壓器
文件頁數(shù)： 7/19頁
文件大小： 559K
代理商： MAX1765
M
800mA, Low-Noise, Step-Up DC-DC Converter
with 500mA Linear Regulator
_______________________________________________________________________________________
7
Typical Operating Characteristics
(T
A
= +25
°
C, unless otherwise noted.)
0
0.001
1
0.1
0.01
LOAD CURRENT (A)
TRACK MODE EFFICIENCY vs. LOAD CURRENT
(V
OUTL
= +5V)
90
NORMAL MODE
VIN = +3.6V
30
10
70
50
40
20
80
60
M
E
VIN = +1.2V
V
IN
= +1.2V
V
IN
= +3.6V
V
IN
= +2.4V
V
IN
= +2.4V
PWM
MODE
0
0.05
0.10
0.15
0.20
0.25
0.30
0
200
100
300
400
500
600
700
800
LINEAR REGULATOR DROPOUT
VOLTAGE vs. LOAD CURRENT
M
LOAD CURRENT (mA)
D
V
OUTL
= +2.5V
V
OUTL
= +2.85V
V
OUTL
= +5V
0
1
1000
100
10
STARTUP INPUT VOLTAGE
vs. OUTPUT CURRENT
2.5
1.0
0.5
2.0
1.5
M
OUTPUT CURRENT (mA)
S
T
A
= +25
°
C
T
A
= -40
°
C
T
A
= +85
°
C
0
4
2
10
8
6
16
14
12
18
0
1.0
1.5
0.5
2.0
2.5
3.0
3.5
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
S
FPWM MODE
NORMAL MODE
0.9
0.8
0
0.001
1
0.1
0.01
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= +3.3V)
0.3
0.2
0.1
0.7
0.6
0.5
0.4
1.0
M
E
V
IN
= +2.4V
NORMAL
MODE
V
IN
= +1.2V
V
IN
= +2.4V
V
IN
= +1.2V
PWM
MODE
90
80
0
0.001
1
0.1
0.01
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= +5V)
30
20
10
70
60
50
40
100
M
E
PWM
MODE
V
IN
= +1.2V
V
IN
= +2.4V
V
IN
= +3.6V
V
IN
= +3.6V
NORMAL MODE
V
IN
= +2.4V
V
IN
= +1.2V
90
80
0
0.001
1
0.1
0.01
LOAD CURRENT (A)
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
TRACK MODE EFFICIENCY vs. LOAD CURRENT
(V
OUTL
= +2.85V)
100
30
20
10
70
60
50
40
M
E
NORMAL MODE
V
IN
=
+1.2V
V
IN
= +2.4V
V
IN
= +1.2V
V
IN
= +2.4V
PWM
MODE
0
0.001
1
0.1
0.01
LOAD CURRENT (A)
TRACK MODE EFFICIENCY vs. LOAD CURRENT
(V
OUTL
= +3.3V)
90
VIN = +3.6V
VIN = +2.4V
30
10
70
50
40
20
80
60
M
E
VIN = +1.2V
V
IN
= +1.2V
VIN = +2.4V
NORMAL
MODE
NORMAL MODE/
PWM MODE
PWM
MODE
0
600
400
200
800
1000
1200
0
2.0
1.5
INPUT VOLTAGE (V)
0.5 1.0
2.5 3.0 3.5 4.0 4.5 5.0
M
O
V
OUT
= +5V, I
SET
= REF
V
OUT
= +3.3V, I
SET
= REF
V
OUT
= +3.3V, I
SET
= 0.5 REF
V
OUT
= +5V, I
SET
= 0.5 REF
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PDF描述
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參數(shù)描述
MAX1765EEE 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA Step-Up w/500mA Linear Reg 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(fēng)格:SMD/SMT
MAX1765EEE+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA Step-Up w/500mA Linear Reg 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(fēng)格:SMD/SMT
MAX1765EEE+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA Step-Up w/500mA Linear Reg 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(fēng)格:SMD/SMT
MAX1765EEE-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA Step-Up w/500mA Linear Reg 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(fēng)格:SMD/SMT
MAX1765EUE 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA Step-Up w/500mA Linear Reg 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(fēng)格:SMD/SMT
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