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MIC2564A-1YTS 参数 Datasheet PDF下载

MIC2564A-1YTS图片预览
型号: MIC2564A-1YTS
PDF下载: 下载PDF文件 查看货源
内容描述: 双串行PCMCIA / CardBus的电源控制器 [Dual Serial PCMCIA/CardBus Power Controller]
分类和应用: 控制器PC
文件页数/大小: 14 页 / 120 K
品牌: MICREL [ MICREL SEMICONDUCTOR ]
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MIC2564A
Micrel
MIC2564A
Dual Serial PCMCIA/CardBus Power Controller
General Description
The MIC2564A is dual-slot PC Card PCMCIA (Personal Com-
puter Memory Card International Association) and CardBus
power controller. It is a sophisticated power switching matrix
that controls V
CC
and V
PP
voltages to two PC Card slots. The
MIC2564A is used in conjunction with a serial-data output logic
controller using the standard three-wire serial control data
format.
When connected to 3.3V, 5V, and 12V system power supplies,
the MIC2564A can switch its V
CC
outputs between 0V, 3.3V,
5.0V, and high-impedance states and V
PP
outputs between 0V,
3.3V, 5V, 12V, and high-impedance states. The V
CC
outputs
will supply a minimum of 1A current to the socket and the V
PP
outputs will supply a minimum of 120mA to the socket. Voltage
rise and fall times are well controlled. The MIC2564A also
features an efficient standby (sleep) mode at 0.3mA typical
quiescent current.
12V and 5V supplies are not required for MIC2564A operation
making it possible to omit one or both supplies when they are not
needed by the system. An internal charge pump supplies the
internal bias voltages required for high-performance switching.
The MIC2564A is protected by overtemperature shutdown, and
protects itself and the system with current limiting and cross-
conduction lockout.
The MIC2564A is available in 24-pin SSOP, 24-pin TSSOP,
and an environmentally friendly (lead-free) 24-pin TSSOP.
All support documentation can be found on Micrel’s web site
at www.micrel.com.
Features
Standard 3-wire serial control data input
Controls two card slots from one surface mount device
High-efficiency, low-resistance switches
12V supply optional (not required by MIC2564A)
Current limit and overtemperature shutdown
Ultra-low 1mA-typical standby power consumption
Cross-conduction lockout (no switching transients)
Break-before-make switching
1A minimum V
CC
output per slot
Independent V
CC
and V
PP
voltage output (MIC2564A-1)
120mA minimum V
PP
output current per slot
Lead-free 24-pin surface-mount TSSOP package
UL recognized, file #179633
PC Card and CardBus power control
Zoom Video port power control
Wireless communications
Bar code data collection systems
Docking stations (portable and desktop)
Power supply management
Applications
Typical Application
Slot A
Address and data lines
between logic controller and
PCMCIA cards not shown.
System Power Supply
(
OPTIONAL
)
(
OPTIONAL
)
12V
5V
3.3V
V
PP1
V
PP2
PCMCIA
Card
A
V
CC
System Reset
V
PP
IN
(
OPTIONAL
)
Dual-Slot
Logic Controller
PCMCIA,
CardBus,
or Zoom Video
RST#
Serial
Control
Bus
MIC2564A
Power
Controller
V
CC3
IN
V
CC5
IN
(
OPTIONAL
)
A V
PP
OUT
A V
CC
OUT
B V
PP
OUT
GND
B V
CC
OUT
V
PP1
V
PP2
PCMCIA
Card
B
Slot B
V
CC
Motherboard
UL Recognized Component
PCMCIA Card Power Management Application
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com
March 2004
1
M0250-031104