LTM4611 データシートの表示（PDF） - Linear Technology
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LTM4611 Datasheet PDF : 28 Pages
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LTM4611
Electrical Characteristics The l denotes the specifications which apply over the full internal operating
junction temperature range, otherwise specifications are at TA = 25°C, VIN = 3.3V, per the typical application in Figure 21.
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Control Section
VFB
IFB
VOVL
ITRACK/SS
tON(MIN)
RFBHI
VOSNS+,
VOSNS– CM RANGE
DIFFVOUT Range
VOS
Voltage at VFB Pin
Feedback Overvoltage Lockout
Track Pin Soft-Start Pull-Up
Current
Minimum On-Time
Resistor Between VOUT_LCL
and VFB Pins
Common Mode Input Range
DIFF_AMP Output Voltage Range
DIFF_AMP Input Offset Voltage
Magnitude
IOUT = 0A, VOUT = VFB
TRACK/SS = 0V
(Note 5)
VIN = 3.3V, Run > 1.5V
VIN = 3.3V, DIFFVOUT Load = 100k
l 0.783 0.797 0.811
V
–10
nA
l 0.84 0.87 0.89
V
0.9
1.4
1.9
µA
90
ns
60.05 60.40 60.75
kΩ
0
0
l
INTVCC – 1
V
INTVCC
V
1.25
mV
2
mV
AV
VPGOOD
SR
DIFF_AMP Differential Gain
PGOOD Trip Level
DIFF_AMP Slew Rate
VFB with Respect to Set Output
VFB Ramping Positive, PGOOD Transitioning
VFB Ramping Positive, PGOOD Transitioning
VFB Ramping Negative, PGOOD Transitioning
VFB Ramping Negative, PGOOD Transitioning
1
V/V
–10 –7.5
–5
%
5
7.5
10
%
5
7.5
10
%
–10 –7.5
–5
%
2
V/µs
GBP
DIFF_AMP Gain-Bandwidth
Product
3
MHz
CMRR
DIFF_AMP Common Mode
Rejection
100
dB
RIN
DIFF_AMP Input Resistance
INTVCC Linear Regulator
VINTVCC
Internal VCC Voltage
VINTVCC Load Reg INTVCC Load Regulation
Oscillator and Phase-Locked Loop
VOSNS+ to GND
1.5V < VIN < 5.5V
ICC = 0 to 50mA
19.9 20.0 20.1
kΩ
4.8
5
5.2
V
0.5
%
fS
fSYNC
Output Ripple Voltage Frequency
SYNC Capture Range
VIN = 3.3V, VOUT = 1.5V,
0.85V ≤ PLLFLTR/fSET ≤ 2.0V
280
835
kHz
360
710
kHz
4611f
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