ltm4615 Linear Technology Corporation, ltm4615 Datasheet - Page 3

• Manufacturer Part Number: ltm4615
• Description: Triple Output, Low Voltage Dc/dc ?module Regulator
• Manufacturer: Linear Technology Corporation

ELECTRICAL CHARACTERISTICS
SYMBOL
I
I
I
I
ΔV
V
f
ΔV
t
ΔV
t
I
V
I
V
I
V
V
R
ΔV
R
VLDO Section
V
I
I
V
V
operating temperature range, otherwise specifi cations are at T
Per Typical Application Figure 12.
INRUSH(VIN)
Q(VIN)
S(VIN)
OUT(DC)
s
START
SETTLE
OUT(PK)
FB
TRACK
IN(LDO_IN)
IN(SHDN)
TRACK(OFFSET)
TRACK(RANGE)
OUT(AC)
FB
RUN
LDO_IN
BOOST3
BOOST3(UVLO)
FBHI
PGOOD
PGOOD
OUT(LOAD + LINE)
OUT(START)
OUT(LS)
V
OUT
PARAMETER
Input Inrush Current at Start-Up
Input Supply Bias Current
Input Supply Current
Output Continuous Current Range
Load and Line Regulation Accuracy V
Output Ripple Voltage
Output Ripple Voltage Frequency
Turn-On Overshoot
Turn-On Time
Peak Deviation for Dynamic Load
Settling Time for Dynamic Load
Step
Output Current Limit
Voltage at FB Pin
RUN Pin On/Off Threshold
TRACK Pin Current
Offset Voltage
Tracking Input Range
Resistor Between V
PGOOD Range
PGOOD Resistance
Operating Voltage
Operating Current
Shutdown Current
BOOST3 Output Voltage
Undervoltage Lockout
OUT
and FB Pins
CONDITIONS
I
V
V
Shutdown, RUN = 0, V
V
V
V
I
I
C
I
C
Load, TRACK = V
Load: 0% to 50% to 0% of Full Load,
C
Load: 0% to 50% to 0% of Full Load,
V
C
I
TRACK = 0.4V
Open-Drain Pull-Down
(Note 3)
I
EN3 = 0V, LDO_IN = 1.5V
EN3 = 1.2V
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
IN
OUT
V
V
V
V
V
V
= 2.375V, V
= 5.5V, V
= 2.375V, V
= 5.5V, V
= 5.5V, V
= 5V, V
= 0A, C
= 0A, C
= 4A, V
= 0A
= 0A, V
= 0mA, V
IN
IN
IN
IN
IN
IN
= 1.5V, 0A to 4A (Note 6)
= 100μF , V
= 100μF , V
= 100μF , V
= 100μF , V
= 5.5V
= 2.375V to 5.5V
= 5V, V
= 3.3V
= 5V
= 5V
The
OUT
IN
OUT
IN
OUT
OUT
OUT
OUT
A
l
OUT
OUT
= 22μF , C
= 5V, V
= 25°C. V
= 1.5V
OUT
OUT
OUT
OUT
IN
IN
denotes the specifi cations which apply over the full internal
= 100μF
= 1.5V
= 1.5V, Switching Continuous
= 1.5V, I
= 1.5V (Note 6)
IN
= 5V, V
= 5V, V
= 1V, EN3 = 1.2V
= 1.5V
= 1.5V, Switching Continuous
= 1.5V, I
= 1.5V, RUN/SS = 10nF ,
= 1.5V, I
and RUN/SS = Float
OUT
IN
OUT
OUT
= 5V
OUT
OUT
IN
= 1.5V
OUT
= 100μF , V
OUT
= 5V, LDO_IN = 1.2V unless otherwise noted.
= 4A
= 1.5V
= 1.5V
= 4A
= 1A Resistive
OUT
= 1.5V,
l
l
l
0.790
0.786
4.96
1.14
MIN
0.6
4.8
0
0
0.35
1.48
±1.0
±1.3
1.25
0.75
4.99
±7.5
TYP
3.2
0.5
0.8
0.8
0.2
0.2
0.6
4.3
28
45
12
20
20
25
10
30
90
7
8
1
5
LTM4615
±1.30
0.807
0.809
MAX
±1.6
5.02
150
0.9
0.8
3.5
5.2
12
20
4
UNITS
mV
3
MHz
4615f
mA
mA
mV
mV
mV
mV
mA
ms
P-P
kΩ
μA
μA
μA
μA
μs
%
%
%
Ω
A
A
A
A
A
V
V
V
V
V
V
V