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參數(shù)資料
| 型號： | HIP6013CBZ |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Buck Pulse-Width Modulator (PWM) Controller |
| 中文描述： | SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封裝： | ROHS COMPLIANT, SOIC-14 |
| 文件頁數(shù)： | 10/11頁 |
| 文件大小： | 304K |
| 代理商： | HIP6013CBZ |
10
4325.1
November 3, 2005
Schottky Selection
Rectifier D2 conducts when the upper MOSFET Q1 is off.
The diode should be a Schottky type for low power losses.
The power dissipation in the Schottky rectifier is
approximated by:
In addition to power dissipation, package selection and
heatsink requirements are the main design tradeoffs in
choosing the Schottky rectifier. Since the three factors are
interrelated, the selection process is an iterative procedure.
The maximum junction temperature of the rectifier must
remain below the manufacturer’s specified value, typically
125
o
C. By using the package thermal resistance specification
and the Schottky power dissipation equation (shown above),
the junction temperature of the rectifier can be estimated. Be
sure to use the available airflow and ambient temperature to
determine the junction temperature rise.
+
-
FIGURE 10. UPPER GATE DRIVE - DIRECT V
CC
DRIVE OPTION
+12V
HIP6013
GND
UGATE
PHASE
BOOT
VCC
+5V OR LESS
NOTE:
V
G-S
≈
V
CC
- 5V
Q1
D2
P
COND
= I
O
x V
f
x (1 - D)
Where: D is the duty cycle = V
O
/V
IN
, and
V
f
is the schottky forward voltage drop
HIP6013
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HIP6013CBZ-T | 功能描述:電壓模式 PWM 控制器 STD BUCK PWM/1 5%/14 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| HIP6014 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Buck and Synchronous-Rectifier (PWM) Controller and Output Voltage Monitor |
| HIP6014CB | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| HIP6014CB WAF | 制造商:Harris Corporation 功能描述: |
| HIP6014CB-T | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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