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參數(shù)資料
| 型號： | HIP6002 |
| 廠商： | Intersil Corporation |
| 英文描述： | Rectifier (PWM) Controller and Output Voltage Monitor(整流器PWM控制器和輸出電壓檢測器) |
| 中文描述： | 整流器（PWM）控制器和輸出電壓監(jiān)視器（整流器的PWM控制器和輸出電壓檢測器） |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 211K |
| 代理商： | HIP6002 |
4
Functional Pin Description
VSEN (Pin 1)
This pin is connected to the converters output voltage. The
PGOOD and OVP comparator circuits use this signal to
report output voltage status and for overvoltage protection.
OCSET (Pin 2)
Connect a resistor (R
OCSET
) from this pin to the drain of the
upper MOSFET. R
OCSET
, an internal 200
μ
A current source
(I
OCS
), and the upper MOSFET on-resistance (r
DS(ON)
) set
the converter over-current (OC) trip point according to the
following equation:
An over-current trip cycles the soft-start function.
SS (Pin 3)
Connect a capacitor from this pin to ground. This capacitor,
along with an internal 10
μ
A current source, sets the soft-
start interval of the converter.
VID0-3 (Pins 4-7)
VID0-3 are the input pins to the 4-bit DAC. The states of
these four pins program the internal voltage reference
(DACOUT). The level of DACOUT sets the converter output
voltage. It also sets the PGOOD and OVP thresholds. Table
1 specifies DACOUT for the 16 combinations of DAC inputs.
EN (Pin 8)
This pin is the open-collector enable pin. Pull this pin below
1V to disable the converter. In shutdown, the soft start pin is
discharged and the UGATE pin is held low.
COMP (Pin 9) and FB (Pin 10)
COMP and FB are the available external pins of the error
amplifier. The FB pin is the inverting input of the error
amplifier and the COMP pin is the error amplifier output.
These pins are used to compensate the voltage-control
feedback loop of the converter.
GND (Pin 11)
Signal ground for the IC. All voltage levels are measured with
respect to this pin.
PGOOD (Pin 12)
PGOOD is an open collector output used to indicate the
status of the converter output voltage. This pin is pulled low
when the converter output is not within
±
10
%
of the
DACOUT reference voltage.
PHASE (Pin 13)
Connect the PHASE pin to the upper MOSFET source. This
input pin is used to monitor the voltage drop across the
MOSFET for over-current protection. This pin also provide
the return path for the upper gate drive.
UGATE (Pin 14)
Connect UGATE to the upper MOSFET gate. This pin
provides the gate drive for the upper MOSFET.
Typical Performance Curves
FIGURE 1. R
T
RESISTANCE vs FREQUENCY
FIGURE 2. BIAS SUPPLY CURRENT vs FREQUENCY
10
100
1000
SWITCHING FREQUENCY (kHz)
R
)
10
100
1000
R
T
PULLUP
TO +12V
R
T
PULLDOWN
TO V
SS
100
200
300
400
500
600
700
800
900
1000
80
70
60
50
40
30
20
10
0
I
C
SWITCHING FREQUENCY (kHz)
C
GATE
= 3300pF
C
GATE
= 1000pF
C
GATE
= 10pF
C
UPPER
= C
LOWER
= C
GATE
11
12
13
14
15
16
17
18
20
19
10
9
8
7
6
5
4
3
2
1
VSEN
OCSET
SS
VID0
VID1
VID2
EN
VID3
COMP
FB
RT
VCC
LGATE
PGND
OVP
BOOT
UGATE
PHASE
PGOOD
GND
I
PEAK
I
-------------------------------------------
R
DS ON
)
=
HIP6002
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