參數(shù)資料
型號(hào): LTM4601AHVY
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PBGA133
封裝: 15 X 15 MM, 2.82 MM HEIGHT, LEAD FREE, LGA-133
文件頁(yè)數(shù): 23/30頁(yè)
文件大?。?/td> 519K
代理商: LTM4601AHVY
LTM4601AHV
3
4601ahvfb
The l denotes the specifications which apply over the specified operating
temperature range (Note 2). Otherwise specifications are at TA = 25°C, VIN = 12V, per typical application (front page) configuration,
RSET = 40.2k.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN(DC)
Input DC Voltage
l
4.5
28
V
VOUT(DC)
Output Voltage Total Variation with
Line and Load
CIN = 10F ×3, COUT = 200F, RSET = 40.2k
VIN = 5V to 28V, IOUT = 0A to 12A (Note 5)
l
1.478
1.5
1.522
V
Input Specifications
VIN(UVLO)
Undervoltage Lockout Threshold
IOUT = 0A
3.2
4
V
IINRUSH(VIN)
Input Inrush Current at Startup
IOUT = 0A. VOUT = 1.5V
VIN = 5V
VIN = 12V
0.6
0.7
A
IQ(VIN,NO LOAD)
Input Supply Bias Current
VIN = 12V, No Switching
VIN = 12V, VOUT = 1.5V, Switching Continuous
VIN = 5V, No Switching
VIN = 5V, VOUT = 1.5V, Switching Continuous
Shutdown, RUN = 0, VIN = 12V
3.8
38
2.5
42
22
mA
A
IS(VIN)
Input Supply Current
VIN = 12V, VOUT = 1.5V, IOUT = 12A
VIN = 12V, VOUT = 3.3V, IOUT = 12A
VIN = 5V, VOUT = 1.5V, IOUT = 12A
1.81
3.63
4.29
A
INTVCC
VIN = 12V, RUN > 2V
No Load
4.7
5
5.3
V
Output Specifications
IOUTDC
Output Continuous Current Range
VIN = 12V, VOUT = 1.5V (Note 5)
0
12
A
ΔVOUT(LINE)
VOUT
Line Regulation Accuracy
VOUT = 1.5V, IOUT = 0A, VIN from 4.5V to 28V
l
0.3
%
ΔVOUT(LOAD)
VOUT
Load Regulation Accuracy
VOUT = 1.5V, IOUT = 0A to 12A, VIN = 12V, with
Remote Sense Amplifier (Note 5)
l
0.25
%
VOUT(AC)
Output Ripple Voltage
IOUT = 0A, COUT = 2× 100F X5R Ceramic
VIN = 12V, VOUT = 1.5V
VIN = 5V, VOUT = 1.5V
20
18
mVP-P
fS
Output Ripple Voltage Frequency
IOUT = 5A, VIN = 12V, VOUT = 1.5V
850
kHz
ΔVOUT(START)
Turn-On Overshoot
COUT = 200F, VOUT = 1.5V, IOUT = 0A,
TRACK/SS = 10nF
VIN = 12V
VIN = 5V
20
mV
tSTART
Turn-On Time
COUT = 200F, VOUT = 1.5V, TRACK/SS = Open,
IOUT = 1A Resistive Load
VIN = 12V
VIN = 5V
0.5
0.7
ms
ΔVOUTLS
Peak Deviation for Dynamic Load
Load: 0% to 50% to 0% of Full Load,
COUT = 2 × 22F Ceramic, 470F 4V Sanyo
POSCAP
VIN = 12V
VIN = 5V
35
mV
tSETTLE
Settling Time for Dynamic Load Step Load: 0% to 50%, or 50% to 0% of Full Load
VIN = 12V
25
s
IOUTPK
Output Current Limit
COUT = 200F Ceramic
VIN = 12V, VOUT = 1.5V
VIN = 5V, VOUT = 1.5V
17
A
elecTrical characTerisTics
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