LTM4600HVIV(RevE) 查看數據表（PDF） - Linear Technology
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LTM4600HVIV Datasheet PDF : 26 Pages
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LTM4600HV
Electrical Characteristics The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C, VIN = 12V. External CIN = 120µF, COUT = 200µF/Ceramic per typical
application (front page) configuration.
SYMBOL PARAMETER
CONDITIONS
VIN(DC)
VOUT(DC)
Input DC Voltage
Output Voltage
Abs Max 28V for Tolerance on 24V Inputs l
FCB = 0V
VIN = 5V or 12V, VOUT = 1.5V, IOUT = 0A
l
Input Specifications
VIN(UVLO) Under Voltage Lockout Threshold
IINRUSH(VIN) Input Inrush Current at Startup
IQ(VIN)
Input Supply Bias Current
Min On Time
IOUT = 0A
IOUT = 0A, VOUT = 1.5V, FCB = 0
VIN = 5V
VIN = 12V
VIN = 24V
IOUT = 0A, EXTVCC Open
VIN = 12V, VOUT = 1.5V, FCB = 5V
VIN = 12V, VOUT = 1.5V, FCB = 0V
VIN = 24V, VOUT = 2.5V, FCB = 5V
VIN = 24V, VOUT = 2.5V, FCB = 0V
Shutdown, RUN = 0.8V, VIN = 12V
Min Off Time
IS(VIN)
Input Supply Current
Output Specifications
VIN = 12V, VOUT = 1.5V, IOUT = 10A
VIN = 12V, VOUT = 3.3V, IOUT = 10A
VIN = 5V, VOUT = 1.5V, IOUT = 10A
VIN = 24V to 3.3V at 10A, EXTVCC = 5V
IOUTDC
ΔVOUT(LINE)
VOUT
ΔVOUT(LOAD)
VOUT
Output Continuous Current Range
(See Output Current Derating Curves for
Different VIN, VOUT and TA)
Line Regulation Accuracy
Load Regulation Accuracy
VOUT(AC)
Output Ripple Voltage
VIN = 12V, VOUT = 1.5V
VIN = 24V, VOUT = 2.5V (Note 3)
VOUT = 1.5V. FCB = 0V, IOUT = 0A,
l
VIN = 4.5V to 28V
VOUT = 1.5V. FCB = 0V, IOUT = 0A to 10A
VIN = 5V
VIN = 12V (Notes 4, 5)
l
VIN = 12V, VOUT = 1.5V, FCB = 0V, IOUT = 0A
fs
Output Ripple Voltage Frequency
FCB = 0V, IOUT = 5A, VIN = 12V, VOUT = 1.5V
tSTART
Turn-On Time
ΔVOUTLS
Voltage Drop for Dynamic Load Step
VOUT = 1.5V, IOUT = 1A
VIN = 12V
VIN = 5V
VOUT = 1.5V, Load Step: 0A/µs to 5A/µs
COUT = 3 • 22µF 6.3V, 470µF 4V POSCAP,
See Table 2
tSETTLE
Settling Time for Dynamic Load Step VIN = 12V Load: 10% to 90% to 10% of Full Load
IOUTPK
Output Current Limit
Control Stage
Output Voltage in Foldback
VIN = 24V, VOUT = 2.5V
VIN = 12V, VOUT = 1.5V
VIN = 5V, VOUT = 1.5V
VOSET
Voltage at VOSET Pin
IOUT = 0A, VOUT = 1.5V
l
VRUN/SS
RUN ON/OFF Threshold
MIN
4.5
1.478
1.470
0
0
0.591
0.594
0.8
TYP MAX UNITS
28
V
1.50 1.522
V
1.50 1.530
V
3.4
4
V
0.6
A
0.7
A
0.8
A
1.2
mA
42
mA
1.8
mA
36
mA
35
75
µA
100
ns
400
ns
1.52
A
3.13
A
3.64
A
1.6
A
10
A
10
A
0.15 0.3
%
±1
%
±1.5
%
10
15
mVP-P
850
kHz
0.5
ms
0.7
ms
36
mV
25
µs
17
A
17
A
17
A
0.6 0.609
V
0.6 0.606
V
1.5
2
V
For more information www.linear.com/LTM4600HV
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