參數(shù)資料
型號(hào): LM3485MM
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: Hysteretic PFET Buck Controller
中文描述: SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO8
封裝: PLASTIC, MSOP-8
文件頁(yè)數(shù): 7/15頁(yè)
文件大小: 369K
代理商: LM3485MM
Typical Performance Characteristics
Unless otherwise specified, T
J
= 25C (Continued)
Efficiency vs Load Current
(V
OUT
= 5.0V, L = 22μH)
Start Up
20034631
20034620
Continuous Mode Operation
(V
IN
= 12V, V
OUT
= 3.3 V, I
OUT
= 500mA, L = 22μH)
Discontinuous Mode Operation
(V
IN
= 12V, V
OUT
=3.3 V, I
OUT
= 50mA, L = 22μH)
20034615
20034616
Operating Frequency vs Input Voltage
(V
OUT
= 3.3V, I
OUT
= 1A, C
OUT(ESR)
= 80m
, C
ff
= 100pF)
Output Ripple Voltage vs Input Voltage
(V
OUT
= 3.3V, I
OUT
= 1A, C
OUT(ESR)
= 80m
, C
ff
= 100pF)
20034613
20034643
L
www.national.com
7
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參數(shù)描述
LM3485MM/E7002094 制造商:Texas Instruments 功能描述:
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