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參數(shù)資料
| 型號(hào)： | LMZ14203EXTTZX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PSSO7 |
| 封裝： | 10.16 X 13.77 MM, 4.57 MM HEIGHT, ROHS COMPLIANT, TO-PMOD, 7 PIN |
| 文件頁數(shù)： | 15/19頁 |
| 文件大?。?/td> | 4031K |
| 代理商： | LMZ14203EXTTZX |
Symbol
Parameter
Conditions
Min
Typ
Max
Units
η
Efficiency
V
IN = 24V VO = 3.3V IO = 1A
92
%
η
Efficiency
V
IN = 24V VO = 3.3V IO = 3A
85
%
Note 1:
Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which operation of the
device is intended to be functional. For guaranteed specifications and test conditions, see the Electrical Characteristics.
Note 2:
The human body model is a 100pF capacitor discharged through a 1.5 k
resistor into each pin. Test method is per JESD-22-114.
Note 3:
Min and Max limits are 100% production tested at 25°C. Limits over the operating temperature range are guaranteed through correlation using Statistical
Quality Control (SQC) methods. Limits are used to calculate National’s Average Outgoing Quality Level (AOQL).
Note 4:
Typical numbers are at 25°C and represent the most likely parametric norm.
Note 5:
EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. See AN-2024 and layout for information on device under test.
Note 6:
Theta JA measured on a 1.705” x 3.0” four layer board, with one ounce copper, thirty five 12 mil thermal vias, no air flow, and 1W power dissipation.
Refer to PCB layout diagrams
Typical Performance Characteristics
Unless otherwise specified, the following conditions apply: V
IN = 24V; Cin = 10uF X7R Ceramic; CO = 100uF X7R Ceramic; Tam-
bient = 25 C for efficiency curves and waveforms.
Efficiency 6V Input @ 25°C
30117831
Dissipation 6V Input @ 25°C
30117832
Efficiency 12V Input @ 25°C
30117803
Dissipation 12V Input @ 25°C
30117804
5
www.national.com
LMZ14203EXT
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| LMZ14203EXTTZ | SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PSSO7 |
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| LMZ14203EXTTZ/NOPB | SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PSSO7 |
| LMZ14203EXTTZE | SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PSSO7 |
| LMZ14203EXTTZE/NOPB | SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PSSO7 |
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| LMZ14203EXTTZX/NOPB | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
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| LMZ14203HTZ | 制造商:Texas Instruments 功能描述:POWER MODULE, 42V, 3A, 7TOPMOD 制造商:Texas Instruments 功能描述:POWER MODULE, 42V, 3A, 7TOPMOD; Primary Input Voltage:42V; No. of Outputs:1; Output Voltage:30V; Output Current:3A; Voltage Regulator Case Style:TO-PMOD; No. of Pins:7; Operating Temperature Min:-40C; Operating Temperature ;RoHS Compliant: Yes |
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