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LTM4632 Arkusz danych(PDF) 3 Page - Linear Technology

Numer części LTM4632
Szczegółowy opis  Ultrathin, Triple Output, Step-Down 關Module Regulator for DDR-QDR4 Memory
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Producent  LINER [Linear Technology]
Strona internetowa  http://www.linear.com
Logo LINER - Linear Technology

LTM4632 Arkusz danych(HTML) 3 Page - Linear Technology

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LTM4632
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4632fc
For more information www.linear.com/LTM4632
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Input DC Voltage
l
3.6
15
V
VIN_3.3
3.3V Input DC Voltage
VIN = INTVCC
l
3.1
3.3
3.5
V
VOUT1(RANGE)
VOUT2(RANGE)
Output Voltage Range
VIN = 3.6V to 15V
l
l
0.6
2.5
1.8
V
V
Output Specification (Channel 1)
VOUT1(DC)
CH1 Output Voltage, Total Variation
with Line and Load
CIN = 22µF, COUT = 100µF Ceramic
RFB1 = 51.7k, MODE = GND, IOUT = –3A to 3A
l
1.28
1.30
1.32
V
IOUT1(DC)
CH1 Output Continuous Current
Range
VIN = 12V, VOUT1 = 1.3V (Note 3)
–3
3
A
IQ1(VIN)
CH1 Input Supply Bias Current
VIN = 12V, VOUT1 = 1.3V, MODE = GND
VIN = 12V, VOUT1 = 1.3V, MODE = INTVCC
Shutdown, RUN1 = GND
13
400
40
mA
µA
µA
IS1(VIN)
CH1 Input Supply Current
VIN = 12V, VOUT1 = 1.3V, IOUT = 3A
0.4
A
ΔVOUT1(Line)/VOUT1 CH1 Line Regulation Accuracy
VOUT1 = 1.3V, VIN = 3.6V to 15V, IOUT1 = 0A
l
0.01
0.05
%/V
ΔVOUT1(Load)/VOUT1 CH1 Load Regulation Accuracy
VOUT1 = 1.3V, IOUT = –3A to 3A
l
0.2
1.0
%
VOUT1(AC)
CH1 Output Ripple Voltage
IOUT = 0A, COUT = 47µF Ceramic
VIN = 12V, VOUT1 = 1.3V
30
mV
ΔVOUT1(START)
CH1 Turn-On Overshoot
IOUT = 0A, COUT = 47µF Ceramic,
TRACK/SS1 = –0.1µF, VIN = 12V, VOUT1 = 1.3V
30
mV
tSTART
Turn-On Time
COUT = 100µF Ceramic, TRACK/SS1 = 0.01µF
No Load, VIN = 12V, VOUT1 = 1.3V
1.2
ms
ΔVOUTLS1
CH1 Peak Deviation for Dynamic
Load
Load: 0% to 25% to 0% of Full Load
COUT = 47µF Ceramic, VIN = 12V, VOUT1 = 1.3V
85
mV
tSETTLE1
CH1 Settling Time for Dynamic
Load Step
Load: 0% to 25% to 0% of Full Load
COUT = 47µF Ceramic, VIN = 12V, VOUT1 = 1.3V
20
µs
IOUTPK1
CH1 Output Current Limit
VIN = 12V, VOUT1 = 1.3V
4.5
A
Output Specification (Channel 2)
VOUT2(DC)
CH2 Output Voltage, Total Variation
with Line and Load
CIN = 22µF, COUT = 100µF Ceramic
VDDQIN= 1.3V, MODE = GND, IOUT = –3A to 3A
l
637
650
663
mV
IOUT2(DC)
CH2 Output Continuous Current
Range
VIN = 12V, VDDQIN = 1.3V (Note 3)
–3
3
A
IQ2(VIN)
CH2 Input Supply Bias Current
VIN = 12V, VDDQIN = 1.3V, MODE = GND
Shutdown, RUN2 = 0
7
40
mA
µA
IS2(VIN)
CH2 Input Supply Current
VIN = 12V, VDDQIN = 1.3V, IOUT = 3A
0.25
A
ΔVOUT2(Line)/VOUT2 CH2 Line Regulation Accuracy
VDDQIN = 1.3V, VIN = 3.6V to 15V, IOUT2 = 0A
l
0.01
0.05
%/V
ΔVOUT2(Load)/VOUT2 CH2 Load Regulation Accuracy
VDDQIN = 1.3V, IOUT = –3A to 3A
l
0.2
1.0
%
VOUT2(AC)
CH2 Output Ripple Voltage
IOUT = 0A, COUT = 100µF Ceramic
VIN = 12V, VDDQIN = 1.3V
30
mV
ΔVOUTLS2
CH2 Peak Deviation for Dynamic
Load
Load: 0% to 25% to 0% of Full Load
COUT = 47µF Ceramic, VIN = 12V, VOUT1 = 1.3V
85
mV
tSETTLE2
CH2 Settling Time for Dynamic
Load Step
Load: 0% to 25% to 0% of Full Load
COUT = 47µF Ceramic, VIN = 12V, VOUT1 = 1.3V
20
µs
IOUTPK2
CH2 Output Current Limit
4.5
A
The l denotes the specifications that apply over the specified internal
operating temperature range (Note 2). Specified as each individual output channel at TA = 25°C (Note 2), VIN = 12V, unless otherwise
noted, per the typical application in Figure 19


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