參數(shù)資料
型號: LMZ12001TZE-ADJ
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): 14/18頁
文件大小: 1218K
代理商: LMZ12001TZE-ADJ
Symbol
Parameter
Conditions
Min
Typ
Max
Units
ΔV
O/ΔVIN
Load Regulation
V
IN = 12V
1.5
mV/A
η
Efficiency
V
IN = 12V VO = 1.8V IO = 1A
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 = 12V; Cin = 10uF X7R Ceramic; CO = 100uF X7R Ceramic; Tam-
bient = 25 C for efficiency curves and waveforms.
Efficiency 4.5V Input @ 25°C
30114851
Dissipation 4.5V Input @ 25°C
30114852
Efficiency 5V Input @ 25°C
30114853
Dissipation 5V Input @ 25°C
30114854
5
www.national.com
LMZ12001
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