CS5165GDWR16 반도체 회로 부품 판매점
Fast/ Precise 5-Bit Synchronous Buck Controller for the Next Generation Low Voltage Pentium II Processors
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 Cherry Semiconductor Corporation |
CS5165
Fast, Precise 5-Bit Synchronous Buck Controller
for the Next Generation Low Voltage Pentium® II Processors
Description
Features
The CS5165 synchronous 5-bit NFET
buck controller is optimized to manage
the power of the next generation
Pentium®II processors. It’s V2™ control
architecture delivers the fastest transient
response (100ns), and best overall voltage
regulation in the industry today. It’s fea-
ture rich design gives end users the maxi-
mum flexibility to implement the best
price/performance solutions for their end
products.
The CS5165 has been carefully crafted to
maximize performance and protect the
processor during operation. It has a 5-bit
DAC on board that holds a ±1% tolerance
over temperature. Its on board pro-
grammable soft start insures a control
start up, and the FET nonoverlap circuit-
ry ensures that both FETs do not conduct
simultaneously.
The on board oscillator can be pro-
grammed up to 1MHz to give the design-
er maximum flexibility in choosing exter-
nal components and setting systems costs.
The CS5165 protects the processor during
potentially catastrophic events like over-
voltage (OVP) and short circuit. The OVP
feature is part of the V2™ architecture and
does not require any additional compo-
nents. During short circuit, the controller
pulses the MOSFETs in a “hiccup” mode
(3% duty cycle) until the fault is removed.
With this method, the MOSFETs do not
overheat or self destruct.
The CS5165 is designed for use in both
single processor desktop and multipro-
cessor workstation and server applica-
tions. The CS5165’s current sharing capa-
bility allows the designer to build multi-
ple parallel and redundant power solu-
tions for multiprocessor systems.
The CS5165 contains other control and
protection features such as Power Good,
ENABLE, and adaptive voltage position-
ing. It is available in a 16 lead SOIC wide
body package.
Application Diagram
5V to 2.8V @ 14.2A for 300MHz Pentium®II
12V
5V
1µF 1200µF/10V x 3
s V2™ Control Topology
s Dual N Channel Design
s 100ns Controller Transient
Response
s Excess of 1Mhz Operation
s 5 Bit DAC with 1% Tolerance
s Power Good Output With
Internal Delay
s Enable Input Provides
Micropower Shutdown Mode
s Complete Pentium® II System
Requires 18 Components
s 5V and 12V Operation
s Adaptive Voltage Positioning
s Remote Sense Capability
s Current Sharing Capability
s VCC Monitor
s Hiccup Mode Short Circuit
Protection
s Overvoltage Protection (OVP)
s Programmable Soft Start
s 150ns PWM Blanking
s 65ns FET Non-Overlap
s 40ns Gate Rise and Fall Times
(3.3nF load)
0.1µF
0.1 µF
330pF
SS
COMP
COFF
VID4
VID3
VID2
VID1
CS5165
VID0
VCC
GATE(H)
GATE(L)
PGnd
LGnd
VFB
PWRGD
ENABLE
IRL3103
PCB
1.2µH trace 6mΩ
VCC
IRL3103
3.3K
1000pF
1200µF
10V x 5
VSS
PWRGD
ENABLE
VID0
VID1
VID2
VID3
VID4
Pentium® II
System
V2 is a trademark of Switch Power, Inc.
Pentium is a registered trademark of Intel Corporation.
Rev. 6/28/99
1
Package Options
16 Lead SO WIDE
VID0 1
VID1
VID2
VID3
SS
VID4
COFF
ENABLE
VFB
COMP
LGnd
PWRGD
GATE(L)
PGnd
GATE(H)
VCC
Cherry Semiconductor Corporation
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885-3600 Fax: (401)885-5786
Email: [email protected]
Web Site: www.cherry-semi.com
A ® Company
Absolute Maximum Ratings
Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to 150°C
Lead Temperature Soldering:
Reflow (SMD styles only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60 sec max. above 183°C, 230°C Peak
Storage Temperature Range, TS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
ESD Susceptibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2kV
Pin Symbol
VCC
SS
COMP
VFB
COFF
VID0-4
GATE(H)
GATE(L)
ENABLE
PWRGD
PGnd
LGnd
Pin Name
IC Power Input
Soft Start Capacitor
Compensation Capacitor
Voltage Feedback Input
Off-Time Capacitor
Voltage ID DAC Inputs
High-Side FET Driver
Low-Side FET Driver
Enable Input
Power-Good Output
Power Ground
Logic Ground
VMAX
16V
6V
6V
6V
6V
6V
16V
16V
6V
6V
0V
0V
VMIN
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
0V
0V
ISOURCE
N/A
200µA
10mA
10µA
1mA
1mA
1.5A Peak;
200mA DC
1.5A Peak;
200mA DC
100µA
10µA
1.5A Peak
200mA DC
100mA
ISINK
1.5A Peak
200mA DC
10µA
1mA
10µA
50mA
10µA
1.5A Peak;
200mA DC
1.5A Peak;
200mA DC
1mA
30mA
N/A
N/A
PACKAGE PIN #
1,2,3,4,6
PIN SYMBOL
VID0 -VID4
5 SS
7 COFF
8 ENABLE
9 VCC
10 GATE(H)
11 PGnd
12 GATE(L)
13 PWRGD
14 LGnd
15 COMP
16 VFB
Package Pin Description
FUNCTION
Voltage ID DAC inputs. These pins are internally pulled up to 5V if left open.
VID4 selects the DAC range. When VID4 is high (logic one), the Error Amp ref-
erence range is 2.14V to 3.54V with 100mV increments. When VID4 is low (logic
zero), the Error amp reference voltage is 1.34V to 2.09V with 50mV increments.
Soft Start Pin. A capacitor from this pin to LGnd sets the Soft Start and fault
timing.
Off-Time Capacitor Pin. A capacitor from this pin to LGnd sets both the nor-
mal and extended off time.
Output Enable Input. This pin is internally pulled up to 1.8V. A logic Low
( < 0.8V) on this pin disables operation and places the CS5165 into a low cur-
rent sleep mode.
Input Power Supply Pin.
High Side Switch FET driver pin.
High Current ground for the GATE(H) and GATE(L) pins.
Low Side Synchronous FET driver pin.
Power Good Output. Open collector output drives low when VFB is out of
regulation. Active when ENABLE input is low
Reference ground. All control circuits are referenced to this pin.
Error Amp output. PWM Comparator reference input. A capacitor to LGnd
provides Error Amp compensation.
Error Amp, PWM Comparator, and Low VFB Comparator feedback input.
2
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( cherry )
CS5165GDWR16 controller
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IGBT, TR 모듈, SCR, 다이오드모듈, 각종 전력 휴즈
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CS5165GDWR16
Fast/ Precise 5-Bit Synchronous Buck Controller for the Next Generation Low Voltage Pentium II Processors - Cherry Semiconductor Corporation
