参数资料
| 型号： | HIP6007CB-T |
| 厂商： | Intersil |
| 文件页数： | 4/10页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR PWM STD BUCK 14-SOIC |
| 标准包装： | 2,500 |
| 应用： | 控制器，Intel Pentium? Pro、PowerP、Alpha |
| 输入电压： | 2.5 V ~ 12 V |
| 输出数： | 1 |
| 输出电压： | 1.27 V ~ 12 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 14-SOICN |
| 包装： | 管件 |
HIP6007
Typical Performance Curves
40
1000
R T PULLUP
TO +12V
35
30
C GATE = 3300pF
25
100
10
R T PULLDOWN
TO V SS
20
15
10
5
C GATE = 1000pF
C GATE = 10pF
10
100
1000
0
100
200
300 400 500 600 700 800
900
1000
SWITCHING FREQUENCY (kHz)
FIGURE 1. R T RESISTANCE vs FREQUENCY
Functional Pin Description
SWITCHING FREQUENCY (kHz)
FIGURE 2. BIAS SUPPLY CURRENT vs FREQUENCY
SS (Pin 3)
Connect a capacitor from this pin to ground. This capacitor,
RT
OCSET
SS
COMP
FB
EN
GND
1
2
3
4
5
6
7
14 VCC
13 NC
12 NC
11 NC
10 BOOT
9 UGATE
8 PHASE
along with an internal 10 μ A current source, sets the soft-
start interval of the converter.
COMP (Pin 4) and FB (Pin 5)
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.
5 ? 10
(R T to GND)
R T ( k ? )
4 ? 10
(R T to 12V)
R T ( k ? )
r DS ( ON )
RT (Pin 1)
This pin provides oscillator switching frequency adjustment.
By placing a resistor (R T ) from this pin to GND, the nominal
200kHz switching frequency is increased according to the
following equation:
6
Fs ≈ 200 kHz + ---------------------
Conversely, connecting a pull-up resistor (R T ) from this pin
to VCC reduces the switching frequency according to the
following equation.:
7
Fs ≈ 200kHz – ---------------------
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:
I OCS ? R OCSET
I PEAK = --------------------------------------------
An over-current trip cycles the soft-start function.
134
EN (Pin 6)
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 and LGATE pins are held low.
GND (Pin 7)
Signal ground for the IC. All voltage levels are measured
with respect to this pin.
PHASE (Pin 8)
Connect the PHASE pin to the upper MOSFET source. This
pin is used to monitor the voltage drop across the MOSFET
for over-current protection. This pin also provides the return
path for the upper gate drive.
UGATE (Pin 9)
Connect UGATE to the upper MOSFET gate. This pin
provides the gate drive for the upper MOSFET.
BOOT (Pin 10)
This pin provides bias voltage to the upper MOSFET driver.
A bootstrap circuit may be used to create a BOOT voltage
suitable to drive a standard N-Channel MOSFET.
VCC (Pin 14)
Provide a 12V bias supply for the chip to this pin.
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