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參數(shù)資料
| 型號： | MAX15004 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers |
| 中文描述： | 4.5V至40V輸入、用于汽車電子的反激/boost/SEPIC電源控制器 |
| 文件頁數(shù)： | 1/29頁 |
| 文件大?。?/td> | 547K |
| 代理商： | MAX15004 |
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General Description
The MAX15004A/B/MAX15005A/B high-performance,
current-mode PWM controllers operate at an automo-
tive input voltage range from 4.5V to 40V (load dump).
The input voltage can go down as low as 2.5V after
startup if V
CC
is supplied by an external bias voltage.
The controllers integrate all the building blocks neces-
sary for implementing fixed-frequency isolated/noniso-
lated power supplies. The general-purpose boost,
flyback, forward, and SEPIC converters can be
designed with ease around the MAX15004/MAX15005.
The current-mode control architecture offers excellent
line-transient response and cycle-by-cycle current limit
while simplifying the frequency compensation.
Programmable slope compensation simplifies the
design further. A fast 60ns current-limit response time,
low 300mV current-limit threshold makes the controllers
suitable for high-efficiency, high-frequency DC-DC con-
verters. The devices include an internal error amplifier
and 1% accurate reference to facilitate the primary-side
regulated, single-ended flyback converter or nonisolat-
ed converters.
An external resistor and capacitor network programs
the switching frequency from 15kHz to 500kHz (1MHz for
the MAX15005A/B). The MAX15004A/B/MAX15005A/B
provide a SYNC input for synchronization to an external
clock. The maximum FET-driver duty cycle for the
MAX15004A/B is 50%. The maximum duty cycle can be
set on the MAX15005A/B by selecting the right combi-
nation of RT and CT.
The input undervoltage lockout (ON/
OFF
) programs the
input-supply startup voltage and can be used to shut-
down the converter to reduce the total shutdown cur-
rent down to 10μA. Protection features include
cycle-by-cycle and hiccup current limit, output overvolt-
age protection, and thermal shutdown.
The MAX15004A/B/MAX15005A/B are available in
space-saving 16-pin TSSOP and thermally enhanced
16-pin TSSOP-EP packages. All devices operate over
the -40°C to +125°C automotive temperature range.
Applications
Automotive
Vacuum Fluorescent Display (VFD) Power
Supply
Isolated Flyback, Forward, Nonisolated SEPIC,
Boost Converters
Features
Wide 4.5V to 40V Operating Input Voltage Range
Operates Down to 2.5V (with Bootstrapped V
CC
Bias)
Current-Mode Control
Low 300mV, 5% Accurate Current-Limit Threshold
Voltage
Internal Error Amplifier with 1% Accurate Reference
RC Programmable 4% Accurate Switching
Frequency
Switching Frequency Adjustable from 15kHz to
500kHz (1MHz for the MAX15005A/B)
External Frequency Synchronization
50% (MAX15004) or Adjustable (MAX15005)
Maximum Duty Cycle
Programmable Slope Compensation
10
μ
A Shutdown Current
Cycle-by-Cycle and Hiccup Current-Limit
Protection
Overvoltage and Thermal Shutdown Protection
-40°C to +125°C Automotive Temperature Range
16-Pin TSSOP or 16-Pin Thermally Enhanced
TSSOP-EP Packages
M
4.5V to 40V Input Automotive
Flyback/Boost/SEPIC Power-Supply Controllers
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
PART
PIN-
PACKAGE
MAX DUTY
CYCLE
PKG
CODE
MAX15004
AAUE+ 16 TSSOP–EP*
MAX15004BAUE+
MAX15005
AAUE+ 16 TSSOP–EP*
MAX15005BAUE+
50%
50%
U16E-3
U16-2
U16E-3
U16-2
16 TSSOP
Programmable
Programmable
16 TSSOP
Ordering Information
19-0723; Rev 1; 11/07
Note:
All devices are specified over the -40°C to +125°C tem-
perature range.
+Denotes lead-free package.
*EP = Exposed pad.
Pin Configurations appear at end of data sheet.
EVALUATION KIT
AVAILABLE
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX15004AAUE | 4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers |
| MAX15004BAUE | 4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers |
| MAX15005 | 4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers |
| MAX15005AAUE | 4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers |
| MAX15005BAUE | 4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX15004AAUE/V+ | 功能描述:電流型 PWM 控制器 Flyback/Boost/SEPIC Power-Supply Ctlr RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX15004AAUE/V+T | 功能描述:電流型 PWM 控制器 Flyback/Boost/SEPIC Power-Supply Ctlr RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX15004AAUE+ | 功能描述:電流型 PWM 控制器 Flyback/Boost/SEPIC Power-Supply Ctlr RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX15004AAUE+T | 功能描述:電流型 PWM 控制器 Flyback/Boost/SEPIC Power-Supply Ctlr RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX15004BAUE/V+ | 功能描述:電流型 PWM 控制器 Flyback/Boost/SEPIC Power-Supply Ctlr RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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