參數(shù)資料
型號(hào): LTM4612IV#PBF
廠(chǎng)商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 940 kHz SWITCHING FREQ-MAX, PBGA133
封裝: 15 X 15 MM, 2.82 MM HEIGHT, LEAD FREE, MO-222, LGA-133
文件頁(yè)數(shù): 23/26頁(yè)
文件大?。?/td> 5123K
代理商: LTM4612IV#PBF
LTM4612
4612fa
Typical perForMance characTerisTics
Start-Up with 24VIN to 12VOUT at
IOUT = 5A, TA = –55°C
Short-Circuit with 24VIN to 12VOUT
at IOUT = 0A
Short-Circuit with 24VIN to 12VOUT
at IOUT = 5A
VIN to VOUT Step-Down Ratio
Input Ripple
Output Ripple
500s/DIV
IIN
1A/DIV
VOUT
5V/DIV
4612 G10
SOFT-START CAPACITOR: 3.9nF
CIN = 3 10F CERAMIC CAPACITORS AND
1 47F OSCON CAPACITOR
50s/DIV
IIN
0.2A/DIV
VOUT
5V/DIV
4612 G11
COUT = 2 22F CERAMIC CAPACITORS AND
2 47F CERAMIC CAPACITORS
20s/DIV
IIN
2A/DIV
VOUT
5V/DIV
4612 G12
COUT = 2 22F CERAMIC CAPACITORS AND
2 47F CERAMIC CAPACITORS
3.3
24
30
18
12
6
10
4
8
12
14 15
6
0
36
4612 G13
SEE FREQUENCY ADJUSTMENT SECTION
FOR OPERATIONS OUTSIDE THIS REGION
OPERATING REGION
WITH DEFAULT FREQUENCY
VOUT (V)
V IN
(V)
1s/DIV
50mV/DIV
4612 G14
VIN = 24V
VOUT = 12V AT 5A RESISTIVE LOAD
CIN = 3 10F 50V CERAMIC 1 100F BULK
1s/DIV
10mV/DIV
4612 G15
VIN = 24V
VOUT = 12V AT 5A RESISTIVE LOAD
COUT = 2 22F 16V CERAMIC AND
2 47F 16V CERAMIC
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