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HIP6200CB 데이터시트 PDF




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부품번호 HIP6200CB 기능
기능 Transient Voltage Regulator DeCAPitator
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HIP6200CB 데이터시트, 핀배열, 회로
Data Sheet
HIP6200, HIP6201
February 1998 File Number 4423.2
Transient Voltage Regulator
DeCAPitator™
The Intersil DeCAPitator helps to stabilize a power system
voltage during severe transients. It accomplishes this by
supplying current when the voltage is more than 1% low or
sinking current when the voltage is higher than 1.5% from
the average load voltage. The fast transient response of the
DeCAPitator can make up for the slow response time of
many switching DC-DC converters.
Although the HIP6200 serves as a simple replacement for
large output capacitors for any dynamic load, it is especially
useful in stabilizing the CPU core voltage in portable
computer applications, where size and efficiency are major
concerns. The DeCAPitator enables power supply designs
for more powerful microprocessors without increasing
converter size or decreasing converter efficiency.
The DeCAPitator acts independently of the PWM control
circuitry. This simplifies converter layout because the
DeCAPitator and the load may be located separately from
the DC-DC converter. The DeCAPitator should be located
near the load for optimum performance.
Pinouts
HIP6200 (SOIC)
TOP VIEW
PVCC 1
PGND 2
GND 3
VCC 4
8 EN/OT
7 OUT
6 SNS
5 CAP
Features
• Saves Power System Size and Cost
- Replaces Expensive Bulk Capacitors
- Small 8 Lead SOIC Package
• Linear Regulator Response
- Greater than 5MHz Bandwidth
• Very Low Static Power Dissipation
- Shutdown Current . . . . . . . . . . . . . . . . . . . . . . . . . < 5µA
- Power Dissipated Only During Load Transients
• Over Temperature Shutdown/Signal
• Simplifies Power Supply Layout
- Allows for Remotely Located CPU DC-DC Converter
Applications
• Notebook Computers
• Pentium®, Pentium Pro, and Pentium II Power Supplies
Ordering Information
PART NUMBER
HIP6200CB
HIP6201CB
TEMP.
RANGE (oC)
PACKAGE
0 to 70 8 Ld SOIC
0 to 70 8 Ld SOIC
PKG.
NO.
M8.15
M8.15
HIP6201 (SOIC)
TOP VIEW
PVCC 1
PGND 2
GND 3
VCC 4
8 EN
7 OUT
6 SNS
5 CAP
2-441
Pentium® is a registered trademark of Intel Corporation.
DeCAPitator™ is a trademark of Intersil Corporation.
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999




HIP6200CB pdf, 반도체, 판매, 대치품
HIP6200, HIP6201
Absolute Maximum Ratings
Supply Voltage, VCC, PVCC . . . . . . . . . . . . . . . . . . . . . . . . . . . +7.0V
EN, CAP, OUT, SNS. . . . . . . . . . . . . . . . . . . . . . . .GND-0.3V to +7V
GND - PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to +0.5V
Operating Conditions
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±5%
Output Device Supply Voltage, PVCC . . . . . . . . . . . . +4.5V to +5.5V
Output Voltage, OUT = SNS = CAP. . . . . . . . . . . . . . +1.3V to +2.0V
Load Transient Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±8A
Ambient Operating Temperature Range . . . . . . . . . . . . 0oC to 70oC
Junction Temperature Range . . . . . . . . . . . . . . . . . . . . 0oC to 125oC
Thermal Information
Thermal Resistance (Typical, Note 1)
θJA (oC/W)
SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145oC/W
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . .150oC
Maximum Storage Temperature Range . . . . . . . . . . -65oC to 150oC
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . .300oC
(SOIC - Lead Tips Only)
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1. θJA is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications Recommended Operating Conditions, Unless Otherwise Noted
PARAMETER
SYMBOL
TEST CONDITIONS
VCC SUPPLY CURRENT
Nominal Supply
Shutdown Supply
PROTECTION CIRCUITRY
IVCC
IVCC_SD
EN = GND
EN Threshold
Overtemperature (OT) Threshold
VTH_EN
OT
On-Resistance of OT NMOS
POWER-ON RESET (POR)
Rds_TFN
VCC Rising Threshold
VCC Falling Threshold
CAP Rising Threshold
CAP Falling Threshold
POR Turn-Off Delay to EN Falling
VTHH_VCC
VTHL_VCC
VTH_CAP
EN = VCC
EN = VCC
EN = VCC
EN = VCC
POR Turn-On Delay to EN Rising
POR Turn-Off Delay to VCC UV
POR Turn-On Delay after VCC UV
POR Turn-Off Delay to CAP UV
POR Turn-On Delay after CAP UV
REFERENCE VOLTAGE
EN = VCC, VCC Falling
EN = VCC, VCC Rising
EN = VCC, CAP Falling
EN = VCC, CAP Rising
VSNS - VCAP
VCAP - VSNS
AMPLIFIERS
VHIGH
VLOW
CAP = 2V, SNS Increased Until Amplifier Turns On
CAP = 2V, SNS Decreased Until Amplifier Turns On
Transconductance
Response Time (Rising)
Response Time (Falling)
RESISTOR VALUES
60mV Step on OUT, Time for IOUT < -4A
-60mV Step on OUT, Time for IOUT > 4A
Small Time Constant Resistor
Large Time Constant Resistor
VCC to PVCC Resistor
OUT to SNS Resistor
GND to PGND Resistors
RT1
RT2
RVCC
ROUT
RGND
MIN
-
-
0.8
130
-
-
3.6
-
0.95
-
-
-
-
-
-
-
-
-
50
50
120
3000
6
1000
-
TYP
300
1
1.5
150
250
4.1
4.0
1.10
1.05
2
1
15
15
2
15
30
20
500
100
100
200
4000
10
1500
140
MAX
-
-
2.0
170
600
4.5
-
1.20
-
-
-
-
-
-
-
-
-
-
175
175
250
5500
16
2100
-
UNITS
µA
µA
V
oC
V
V
V
V
µs
ms
µs
µs
µs
µs
mV
mV
A/V
ns
ns
2-444

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HIP6200CB 전자부품, 판매, 대치품
HIP6200, HIP6201
LOUT = output inductor value
ISTEP = transient current step amplitude
The value of the capacitor at the CAP pin should be sized so
that the HIP6200 can be active in response to a transient for
longer than the greater of TR1 and TR2. For a 12V to 1.7V
DC-DC converter with a 3µH inductor and a 8A maximum
transient step size, TR1 = 2.3µs and TR2 = 14.1µs. Thus, the
CAP capacitor should be chosen for the worst-case TR2
response. Though the HIP6200 will be active for longer than
necessary in response to the low-to-high load transient, the
amount of power wasted will be minimal. The upper amplifier
will be active, drawing about 15mA, but the power npn
darlington will pinch off after the inductor current slews up.
The following section details power dissipation further.
Thermal Considerations
HIP6200 Power Dissipation
The power dissipated by the DeCAPitator is a function of
many variables. The load transient step size (ISTEP), the
frequency of the transient events (1/TTRAN), and the
converter response time (TR1, TR2) have the largest
influence. Figure 3 displays these terms.
TTRAN
ICPU
ISTEP
IOUT
TR2
TR1
FIGURE 3. IDEALIZED WAVEFORMS OF DeCAPitator
OPERATION
Based on some simplifying assumptions, the DeCAPitator
power dissipation can be approximated as follows:
PDISS = PBIAS + PUP + PDWN
(EQ. 3)
where:
PUP
=
(VC
C
VOU
T
)
-I-S----T----E----P--
2
T----T-T---R-R---A-1---N--
(EQ. 4)
PDWN
=
(VO
U
T)
-I-S----T-2---E----P--
T----T-T---R-R---A-2---N--
PBIAS = VCC • (IBIAS)
(EQ. 5)
(EQ. 6)
and:
IBIAS = IIDLE + I---b---i--a----s---U-T----PT----R----A-t--A-N---C----T---I--V----E-- + I---b---i--a----s---D----T-W---T--N--R----A---t-N-A----C-----T---I--V----E--(EQ. 7)
IIDLE = nominal supply current when HIP6200 is powered
and amplifiers are not active (300µA typical)
IbiasUP = upper amplifier bias current when active (15mA
typical)
IbiasDWN = lower amplifier bias current when active (30mA
typical)
tACTIVE = time amplifiers are active. This time is set by CAP
capacitor and should be at least as long as TR2.
The bias power is a very small percentage of the total chip
power dissipation, but is included for completeness.
Based on these equations, the two figures below show how
the power dissipation varies with the transient frequency
(1/TTRAN), step load change (ISTEP), and converter
response time (TR1, TR2). Both figures assume VIN = 12V
and VOUT = 1.7V. Figure 4 assumes a 3µH output inductor
and varies the step size (as well as the transient frequency).
As mentioned in the previous section, these conditions give
TR1 = 2.3µs and TR2 = 14.1µs for ISTEP = 8A. Figure 5
holds ISTEP constant at 8A and varies the response time.
The converter response time often differs from the ideal
(Equations 1 and 2) substantially and therefore should be
verified experimentally.
0.6
0.5
ISTEP = 8A
0.4
ISTEP = 6A
ISTEP = 4A
0.3
0.2
0.1
102 103 104
TRANSIENT FREQUENCY (Hz)
FIGURE 4. ESTIMATED HIP6200, HIP6201 POWER
DISSIPATION vs ISTEP
105
Figures 4 and 5 show the relationships between the
DeCAPitator power dissipation and the load transient
frequency, load transient step size and the converter
response time. The power dissipation is linear with the
transient frequency but is shown on the log scale to
emphasize the fact that the HIP6200/1 power is minimal at
frequencies below a few hundred Hertz.
2-447

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부품번호상세설명 및 기능제조사
HIP6200CB

Transient Voltage Regulator DeCAPitator

Intersil Corporation
Intersil Corporation

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