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參數(shù)資料
| 型號： | HIP6021ACB |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Advanced PWM and Triple Linear Power Controller |
| 中文描述： | 1 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | PLASTIC, MS-013AE, SOIC-28 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 186K |
| 代理商： | HIP6021ACB |
10
OUT2 Voltage Selection
The AGP output voltage is internally set to one of two levels,
based on the status of the SELECT pin. Grounding the
SELECT pin enables the internal 1.5V regulator control
circuitry. Left open, the SELECT pin is internally pulled ‘high’
and the AGP voltage is regulated to 3.3V during the softstart
sequence. Once complete, the gate drive is increased and
the regulator becomes a simple pass circuit for the 3.3V
input voltage.
OUT3 and OUT4 Voltage Adjustability
The GTL bus voltage (1.5V, OUT3) and the chip set and/or
cache memory voltage (1.8V, OUT4) are internally set for
simple, low-cost implementation in typical Intel motherboard
architectures. However, if different voltage settings are
desired for these two outputs, the FIX pin provides the
necessary adaptability. Left open (NC), this pin sets the fixed
output voltages described above. Grounding this pin allows
both output voltages to be set by means of external resistor
dividers as shown in Figure 6.
Application Guidelines
Soft-Start Interval
Initially, the soft-start function clamps the error amplifier’s
output of the PWM converter. This generates PHASE pulses
of increasing width that charge the output capacitor(s). After
the output voltage increases to approximately 70% of the set
value, the reference input of the error amplifier is clamped to
a voltage proportional to the SS pin voltage. The resulting
output voltages start-up as shown in Figure 2.
The soft-start function controls the output voltage rate of rise
to limit the current surge at start-up. The soft-start interval and
the surge current are programmed by the soft-start capacitor,
C
SS
. Programming a faster soft-start interval increases the
peak surge current. The peak surge current occurs during the
initial output voltage rise to 70% of the set value.
TABLE 1. OUT1 VOLTAGE PROGRAM
PIN NAME
NOMINAL
DACOUT
VOLTAGE
VID4
VID3
VID2
VID1
VID0
0
1
1
1
1
1.30
0
1
1
1
0
1.35
0
1
1
0
1
1.40
0
1
1
0
0
1.45
0
1
0
1
1
1.50
0
1
0
1
0
1.55
0
1
0
0
1
1.60
0
1
0
0
0
1.65
0
0
1
1
1
1.70
0
0
1
1
0
1.75
0
0
1
0
1
1.80
0
0
1
0
0
1.85
0
0
0
1
1
1.90
0
0
0
1
0
1.95
0
0
0
0
1
2.00
0
0
0
0
0
2.05
1
1
1
1
1
2.00
1
1
1
1
0
2.1
1
1
1
0
1
2.2
1
1
1
0
0
2.3
1
1
0
1
1
2.4
1
1
0
1
0
2.5
1
1
0
0
1
2.6
1
1
0
0
0
2.7
1
0
1
1
1
2.8
1
0
1
1
0
2.9
1
0
1
0
1
3.0
1
0
1
0
0
3.1
1
0
0
1
1
3.2
1
0
0
1
0
3.3
1
0
0
0
1
3.4
1
0
0
0
0
3.5
NOTE: 0 = connected to GND, 1 = open or connected to 5V through
pull-up resistors.
DRIVE3
VSEN3
VSEN4
C
OUT4
C
OUT3
Q4
HIP6021A
V
OUT3
V
OUT4
Q5
+3.3V
IN
DRIVE4
VAUX
FIX
R
S3
R
P3
R
S4
R
P4
VOUT
VBG
1
RP
+
×
=
FIGURE 6. ADJUSTING THE OUTPUT VOLTAGE OF
OUTPUTS 3 AND 4
HIP6021A
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| HIP6021ACB WAF | 制造商:Harris Corporation 功能描述: |
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| HIP6021CB-T | 功能描述:IC REG QD BCK/LINEAR 28-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 + 切換式 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 拓?fù)?降壓（降壓）同步（3），線性（LDO）（2） 功能:任何功能 輸出數(shù):5 頻率 - 開關(guān):300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅(qū)動(dòng)器:無 帶監(jiān)控器:無 帶序列發(fā)生器:是 電源電壓:5.6 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:* |
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