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參數(shù)資料
| 型號： | HIP6201 |
| 廠商： | Intersil Corporation |
| 英文描述： | Transient Voltage Regulator(瞬變電壓穩(wěn)壓器) |
| 中文描述： | 瞬態(tài)電壓調(diào)節(jié)器（瞬變電壓穩(wěn)壓器） |
| 文件頁數(shù)： | 5/9頁 |
| 文件大小： | 87K |
| 代理商： | HIP6201 |
2-445
Application Information
Theory of Operation
The HIP6200 is used in conjunction with a switching DC-DC
converter to provide a regulated DC voltage. The output
voltage of a DC-DC converter changes instantly with sudden
load changes characteristic of today’s microprocessors. This
change occurs because the bulk capacitors are imperfect;
they have parasitic resistances (ESR) and inductances (ESL)
which translate into voltage drops as the load is initially
supplied by the bulk capacitance. Also, due to its output
inductor, the DC-DC converter takes about 10-20
μ
s (typical)
before it provides the load current required by the CPU. The
HIP6200 contains two high-speed linear regulators which are
inactive except during the converter response time after high
di/dt load transients. When active, the linear regulators
maintain a small difference between the desired and actual
output voltage.
The Typical Application Diagrams below illustrate how the
DeCAPitator functions. The left side shows a common DC-
DC converter response to a fast ‘low-to-high’ load transient.
The right side shows a similar response with a HIP6200
circuit employed. The HIP6200 allows the use of fewer bulk
capacitors to handle the regulation requirements of the high
edge-rate load transients. The response time of the
HIP6200’s linear regulators (100ns typical) are fast enough
to help with the leading edge spike. Output voltage
deviations during the converter response time are reduced
with the HIP6200 since it helps supply the load while the
inductor current slews.
Typical Application Diagrams
C
BULK
: (11) 220
μ
F, 10V, 0.1
Tantalums
FIGURE 1. PORTABLE CPU WITHOUT HIP6200, HIP6201
C
BULK
: (5) 100
μ
F, 10V, 0.1
Tantalums
C
CAP
: small Ceramic (0805)
C
VCC
: small Ceramic (0805)
C
PVCC
: (1) 100
μ
F, 10V, 0.1
Tantalum
FIGURE 2. PORTABLE CPU WITH HIP6200, HIP6201
I
CPU
I
L
V
OUT
CPU
LOAD
PWM
CONTROLLER
BATTERY
POWER
C
BULK
I
CPU
I
L
V
OUT
I
CPU
I
L
I
OUT
V
OUT
V
CAP
CONVERTER
RESPONSE TIME (T
R
)
+5V
CPU
LOAD
CAP
V
CC
P
VCC
OUT
GND
EN
SNS
PGND
4
8
5
3
2
6
7
1
HIP6201
C
BULK
I
L
I
CPU
V
OUT
I
OUT
V
CAP
C
CAP
C
PVCC
BATTERY
POWER
PWM
CONTROLLER
HIP6200, HIP6201
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HIP6200CB | Transient Voltage Regulator DeCAPitator⑩ |
| HIP6201CB | Transient Voltage Regulator DeCAPitator⑩ |
| HIP6301CBZ | Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller |
| HIP6301CBZA-T | Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller |
| HIP6301CBZ-T | Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HIP6201CB | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| HIP6201CB WAF | 制造商:Harris Corporation 功能描述: |
| HIP6211 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual Low Noise LDO in 3mm】3mm MLF⑩ |
| HIP6211-15UZ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual Low Noise LDO in 3mm】3mm MLF⑩ |
| HIP6211-15VZ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual Low Noise LDO in 3mm】3mm MLF⑩ |
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