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參數資料
| 型號： | HIP1020CK-T |
| 廠商： | HARRIS SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | nullSingle, Double or Triple-Output Hot Plug Controller |
| 中文描述： | SWITCHED CAPACITOR CONVERTER, PDSO5 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 51K |
| 代理商： | HIP1020CK-T |
2-1
HIP1020
Single, Double or Triple-Output Hot Plug
Controller
The HIP1020 applies a linear voltage ramp to the gates of
any combination of 3.3V, 5V, and 12V MOSFETs. The
internal charge pump doubles a 12V bias or triples a 5V bias
to deliver the high-side drive capability required when using
more cost-effective N-Channel MOSFETs. The 5V/ms ramp
rate is controlled internally and is the proper value to turn on
most devices within the Device-Bay-specified di/dt limit. If a
slower rate is required, the internally-determined ramp rate
can be over ridden using an optional external capacitor.
When VCC = 12V, the charge pump ramps the voltage on
HGATE from zero to 22V in about 4ms. This allows either a
standard or a logic-level MOSFET to become fully enhanced
when used as a high-side switch for 12V power control. The
voltage on LGATE ramps from zero to 16V allowing the
simultaneous control of 3.3V and/or 5V MOSFETs.
When VCC = 5V, the charge pump enters voltage-tripler
mode. The voltage on HGATE ramps from zero to 12.5V in
about 3ms while LGATE ramps to 12.0V. This mode is ideal
for control of high-side MOSFET switches used in 3.3V and
5V power switching when 12V bias is not available.
Features
Rise Time Controlled to Device-Bay Specifications
No Additional Components Required
Internal Charge Pump Drives N-Channel MOSFETs
Drives any Combination of One, Two or Three Outputs
Internally-Controlled Turn-On Ramp
- Optional Capacitor Selects Slower Rates
Prevents False Turn on During Hot Insertion
Operates using 12V or 5V Bias
Improves Device Bay Peripheral Size Cost and Complexity
- Minimal Component Count
- Tiny 5-Pin SOT23 Package
Controls Standard and Logic-Level MOSFETs
Compatible with TTL and 3.3V Logic Devices
Shutdown Current . . . . . . . . . . . . . . . . . . . . . . . . . . < 1
μ
A
Operating Current. . . . . . . . . . . . . . . . . . . . . . . . . . < 3mA
Applications
Device Bay Peripherals
Hot Plug Control
Power Distribution Control
Pinout
HIP1020 (SOT23)
TOP VIEW
Ordering Information
PART
NUMBER
TEMP.
RANGE (
o
C)
PACKAGE
PKG.
NO.
HIP1020CK-T
0 to 70
5 Ld SOT23 Tape
and Reel
P5.064
4
5
3
2
1
VCC
GND
LGATE
EN
HGATE
Typical Applications
FIGURE 1A. DEVICE-BAY HOT PLUG CONTROLLER WITH
VCC = 12V
FIGURE 1B. DEVICE-BAY HOT PLUG CONTROLLER WITH
VCC = 5V
1
2
3
4
5
C1
CHARGE
PUMP
HIP1020
ENABLE
OPTIONAL
V
12,OUT
V
5,OUT
V
33,OUT
V
33
V
5
V
12
1
2
3
4
5
C1
CHARGE
PUMP
HIP1020
ENABLE
OPTIONAL
V
5,OUT
V
33,OUT
V
33
V
5
Data Sheet
August 1999
File Number
4601.1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Copyright
Intersil Corporation 1999
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