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參數資料
| 型號： | MC34166T |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 6 A SWITCHING REGULATOR, 81 kHz SWITCHING FREQ-MAX, PSFM5 |
| 封裝： | TO-220, 5 PIN |
| 文件頁數： | 1/20頁 |
| 文件大?。?/td> | 239K |
| 代理商： | MC34166T |
Semiconductor Components Industries, LLC, 2002
January, 2002 – Rev. 6
1
Publication Order Number:
MC34166/D
MC34166, MC33166
3.0 A, Step-Up/Down/
Inverting Switching
Regulators
The MC34166, MC33166 series are high performance fixed
frequency power switching regulators that contain the primary
functions required for dc–to–dc converters. This series was
specifically designed to be incorporated in step–down and
voltage–inverting configurations with a minimum number of external
components and can also be used cost effectively in step–up
applications.
These devices consist of an internal temperature compensated
reference, fixed frequency oscillator with on–chip timing components,
latching pulse width modulator for single pulse metering, high gain
error amplifier, and a high current output switch.
Protective features consist of cycle–by–cycle current limiting,
undervoltage lockout, and thermal shutdown. Also included is a low
power standby mode that reduces power supply current to 36
μ
A.
Output Switch Current in Excess of 3.0 A
Fixed Frequency Oscillator (72 kHz) with On–Chip Timing
Provides 5.05 V Output without External Resistor Divider
Precision 2% Reference
0% to 95% Output Duty Cycle
Cycle–by–Cycle Current Limiting
Undervoltage Lockout with Hysteresis
Internal Thermal Shutdown
Operation from 7.5 V to 40 V
Standby Mode Reduces Power Supply Current to 36
μ
A
Economical 5–Lead TO–220 Package with Two Optional Leadforms
Also Available in Surface Mount D
2
PAK Package
Moisture Sensitivity Level (MSL) Equals 1
Figure 1. Simplified Block Diagram
(Step Down Application)
EA
V
O
I
LIMIT
V
in
4
2
S
Q
R
UVLO
3
5
L
5.05 V/
3.0 A
Reference
Thermal
PWM
Oscillator
1
This device contains 143 active transistors.
http://onsemi.com
TO–220
TH SUFFIX
CASE 314A
See detailed ordering and shipping information in the package
dimensions section on page 17 of this data sheet.
ORDERING INFORMATION
1
5
MARKING
DIAGRAMS
1
5
TO–220
TV SUFFIX
CASE 314B
1
5
Heatsink surface connected to Pin 3
TO–220
T SUFFIX
CASE 314D
Pin
1.
2.
3.
4.
5.
Voltage Feedback Input
Switch Output
Ground
Input Voltage/V
CC
Compensation/Standby
D
2
PAK
D2T SUFFIX
CASE 936A
Heatsink surface (shown as
terminal 6 in case outline
drawing) is connected to Pin 3
x
A
WL = Wafer Lot
Y
= Year
WW = Work Week
= 3 or 4
= Assembly Location
MC
3x166T
AWLYWW
MC
3x166T
AWLYWW
MC
3x166T
AWLYWW
1
5
MC
3x166T
AWLYWW
1
5
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MC34166TG | 功能描述:直流/直流開關調節器 40V 3A Buck/Boost/Inverting RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MC34166TG | 制造商:ON Semiconductor 功能描述:DC/DC Converter IC |
| MC34166TH | 功能描述:直流/直流開關調節器 40V 3A RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MC34166THG | 功能描述:直流/直流開關調節器 40V 3A Buck/Boost/Inverting RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MC34166TV | 功能描述:直流/直流開關調節器 40V 3A RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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