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参数资料
| 型号： | APW7045 |
| 厂商： | Anpec Electronics Corporation |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | Advanced PWM and Linear Power Controller |
| 中文描述： | 先进的PWM和线性功率控制器 |
| 文件页数： | 6/12页 |
| 文件大小： | 121K |
| 代理商： | APW7045 |
www.anpec.com.tw
6
APW 7045
Copyright
ANPEC Electronics Corp.
Rev.A.5 - Jan., 2003
OCSET (Pin 12)
An over-current trip cycles the soft-start function. The
voltage at this pin is monitored for Power-On Reset
(POR) purpose and pulling this pin low with an open
drain device will shutdown the IC.
PGND (Pin 13)
This is the power ground connection. Tie the syn-
chronous PWM converter’s lower MOSFET source
to this pin.
LGATE (Pin 14)
Connect LGATE to the PWM converter’s lower
MOSFET gate. This pin provides the gate drive for
the lower MOSFET.
S implified Pow er S ystem Diagram
Linear Controller
PWM
Controller
APW7045
V
TT
Q2
+3.3 V
IN
Q1
V
MEM
Q3
5.0V
IN
Functional Pin Description ( Cont.)
PHASE (Pin 15)
Connect the PHASE pin to the PWM converter’s up-
per MOSFET source. This pin is used to monitor the
voltage drop across the upper MOSFET for over-cur-
rent protection.
UGATE (Pin 16)
Connect UGATE pin to the PWM converter’s upper
MOSFET gate. This pin provides the gate drive for
the upper MOSFET.
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