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參數(shù)資料
| 型號： | MAX5035BUPA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter |
| 中文描述： | 2.5 A SWITCHING REGULATOR, 135 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大小： | 382K |
| 代理商： | MAX5035BUPA |
General Description
The MAX5035 easy-to-use, high-efficiency, high-volt-
age, step-down DC-DC converter operates from an
input voltage up to 76V and consumes only 350μA qui-
escent current at no load. This pulse-width modulated
(PWM) converter operates at a fixed 125kHz switching
frequency at heavy loads, and automatically switches
to pulse-skipping mode to provide low quiescent cur-
rent and high efficiency at light loads. The MAX5035
includes internal frequency compensation simplifying
circuit implementation. The device uses an internal low-
on-resistance, high-voltage, DMOS transistor to obtain
high efficiency and reduce overall system cost. This
device includes undervoltage lockout, cycle-by-cycle
current limit, hiccup mode output short-circuit protec-
tion, and thermal shutdown.
The MAX5035 delivers up to 1A output current. External
shutdown is included, featuring 10μA (typ) shutdown
current. The MAX5035A/B/C versions have fixed output
voltages of 3.3V, 5V, and 12V, respectively, while the
MAX5035D features an adjustable output voltage from
1.25V to 13.2V.
The MAX5035 is available in space-saving 8-pin SO
and 8-pin plastic DIP packages and operates over the
industrial (0°C to +85°C) temperature range.
Applications
Consumer Electronics
Industrial
Distributed Power
Features
o
Wide 7.5V to 76V Input Voltage Range
o
Fixed (3.3V, 5V, 12V) and Adjustable
(1.25V to 13.2V) Versions
o
1A Output Current
o
Efficiency Up to 94%
o
Internal 0.4
High-Side DMOS FET
o
350μA Quiescent Current at No Load, 10μA
Shutdown Current
o
Internal Frequency Compensation
o
Fixed 125kHz Switching Frequency
o
Thermal Shutdown and Short-Circuit Current
Limit
o
8-Pin SO and PDIP Packages
M
1A, 76V, High-Efficiency MAXPower
Step-Down DC-DC Converter
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
Ordering Information
19-2988; Rev 0; 9/03
PART
TEMP RANGE
PIN-
PACKAGE
OUTPUT
VOLTAGE
(V)
MAX5035AUSA
MAX5035AUPA
MAX5035BUSA
MAX5035BUPA
MAX5035CUSA
MAX5035CUPA
MAX5035DUSA
MAX5035DUPA
0
°
C to +85
°
C
0
°
C to +85
°
C
0
°
C to +85
°
C
0
°
C to +85
°
C
0
°
C to +85
°
C
0
°
C to +85
°
C
0
°
C to +85
°
C
0
°
C to +85
°
C
8 SO
8 PDIP
8 SO
8 PDIP
8 SO
8 PDIP
8 SO
8 PDIP
3.3
5.0
12
ADJ
1
2
3
4
BST
VD
SGND
FB
8
7
6
5
LX
TOP VIEW
V
IN
GND
ON/OFF
MAX5035
SO/PDIP
Pin Configuration
MAX5035
GND
BST
LX
V
IN
SGND
FB
VD
D1
50SQ100
100
μ
H
V
OUT
5V
V
IN
7.5V TO 76V
68
μ
F
0.1
μ
F
0.1
μ
F
68
μ
F
ON
OFF
R1
R2
ON/OFF
Typical Operating Circuit
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| MAX5035CUPA | 1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter |
| MAX5035BUSA | 1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter |
| MAX5035CUSA | 1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter |
| MAX5035DUSA | 1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5035BUPA+ | 功能描述:直流/直流開關轉換器 1A 76V MAXPower Step-Down RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 |
| MAX5035BUPA+T | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
| MAX5035BUSA | 功能描述:直流/直流開關轉換器 1A 76V MAXPower Step-Down RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 |
| MAX5035BUSA+ | 功能描述:直流/直流開關轉換器 1A 76V MAXPower Step-Down RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 |
| MAX5035BUSA+T | 功能描述:直流/直流開關轉換器 1A 76V MAXPower Step-Down RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 |
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