參數(shù)資料
型號： MAX767CAP+
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： 5V to 3.3V Output, Synchronous, Step-Down Power Supply Controller
中文描述： SWITCHING CONTROLLER, 340 kHz SWITCHING FREQ-MAX, PDSO20
封裝： PLASTIC, SSOP-20
文件頁數(shù)： 1/19頁
文件大小： 1374K
代理商： MAX767CAP+
________________General Description
The MAX767 is a high-efficiency, synchronous buck
controller IC dedicated to converting a fixed 5V supply
into a tightly regulated 3.3V output. Two key features set
this device apart from similar, low-voltage step-down
switching regulators: high operating frequency and all
N-channel construction in the application circuit. The
300kHz operating frequency results in very small, low-
cost external surface-mount components.
The inductor, at 3.3H for 5A, is physically at least five
times smaller than inductors found in competing solu-
tions. All N-channel construction and synchronous rectifi-
cation result in reduced cost and highest efficiency.
Efficiency exceeds 90% over a wide range of loading,
eliminating the need for heatsinking. Output capacitance
requirements are low, reducing board space and cost.
The MAX767 is a monolithic BiCMOS IC available in
20-pin SSOP packages. For other fixed output voltages
and package options, please consult the factory.
________________________Applications
Local 5V-to-3.3V DC-DC Conversion
Microprocessor Daughterboards
Power Supplies up to 10A or More
____________________________Features
o >90% Efficiency
o 700A Quiescent Supply Current
o 120A Standby Supply Current
o 4.5V-to-5.5V Input Range
o Low-Cost Application Circuit
o All N-Channel Switches
o Small External Components
o Tiny Shrink-Small-Outline Package (SSOP)
o Predesigned Applications:
Standard 5V to 3.3V DC-DC Converters up to 10A
High-Accuracy Pentium P54C VR-Spec Supply
o Fixed Output Voltages Available:
3.3V (Standard)
3.45V (High-Speed Pentium)
3.6V (PowerPC)
_______________Ordering Information
MAX767
5V-to-3.3V, Synchronous, Step-Down
Power-Supply Controller
________________________________________________________________ Maxim Integrated Products
1
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
FB
DH
LX
BST
GND
ON
SS
CS
TOP VIEW
MAX767
DL
VCC
PGND
REF
GND
N.C.
GND
VCC
SYNC
SSOP
__________________Pin Configuration
OUTPUT
3.3V
AT 5A
INPUT
4.5V TO 5.5V
LX
DL
GND
MAX767
VCC
REF
3.3
H
BST
DH
PGND
CS
FB
ON
_________Typical Application Circuit
19-0224; Rev 3; 7/00
PART
TEMP. RANGE
PIN-
PACKAGE
MAX767CAP
0°C to +70°C
20 SSOP
MAX767RCAP
0°C to +70°C
20 SSOP
MAX767SCAP
0°C to +70°C
20 SSOP
Pentium is a trademark of Intel. PowerPC is a trademark of IBM.
MAX767C/D
0°C to +70°C
Dice*
REF
TOL
±1.8%
—
Ordering Information continued at end of data sheet.
* Contact factory for dice specifications.
VOUT
(V)
3.3
3.45
3.6
—
MAX767TCAP
0°C to +70°C
20 SSOP
±1.2% 3.3
EVALUATION
KIT MANUAL
FOLLOWS
DATA
SHEET
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX767CAP+ 功能描述:DC/DC 開關(guān)控制器 5-3.3V Out Synchrons Power Supply Ctlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
MAX767CAP+T 功能描述:DC/DC 開關(guān)控制器 5-3.3V Out Synchrons Power Supply Ctlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
MAX767CAP-T 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
MAX767EAP 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
MAX767EAP+ 功能描述:DC/DC 開關(guān)控制器 5-3.3V Out Synchrons Power Supply Ctlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
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