LTC3714 Linear, LTC3714 Datasheet - Page 3

• Manufacturer Part Number: LTC3714
• Description: Wide Operating Range / Step-Down Controller with Internal Op Amp
• Manufacturer: Linear

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are T
SYMBOL
V
V
I
I
V
V
TG R
TG R
BG R
BG R
TG t
TG t
BG t
BG t
Internal V
V
V
PGOOD Output
V
VID DAC
V
I
V
I
R
V
Internal Op Amp
V
I
I
CMRR
RUN/SS(C)
RUN/SS(D)
VID(PULLUP)
VID(LEAK)
OS
B
RUN/SS(LE)
RUN/SS(LT)
IN(UVLO)
IN(UVLOR)
INTVCC
EXTVCC
PGL
VID(T)
VID(PULLUP)
OS
V
V
V
V
V
V
VID
V
IN
LDO(LOADREG)
EXTVCC
EXTVCC(HYS)
FBH
FBL
FB(HYS)
OSENSE
r
f
r
f
= 5V unless otherwise noted.
UP
DOWN
UP
DOWN
CC
Regulator
PARAMETER
RUN Pin Latchoff Enable Threshold
RUN Pin Latchoff Threshold
Soft-Start Charge Current
Soft-Start Discharge Current
Undervoltage Lockout Threshold
Undervoltage Lockout Threshold
TG Driver Pull-Up On Resistance
TG Driver Pull-Down On Resistance
BG Driver Pull-Up On Resistance
BG Driver Pull-Down On Resistance
TG Rise Time
TG Fall Time
BG Rise Time
BG Fall Time
Internal V
Internal V
EXTV
EXTV
EXTV
PGOOD Upper Threshold
PGOOD Lower Threshold
PGOOD Hysteresis
PGOOD Low Voltage
VID0-VID4 Logic Threshold Voltage
VID0-VID4 Pull-Up Current
VID0-VID4 Pull-Up Voltage
VID0-VID4 Leakage Current
Resistance from V
DAC Output Accuracy
Input Offset Voltage
Input Offset Current
Input Bias Current
Common Mode Rejection Ratio
CC
CC
CC
Switchover Voltage
Switch Drop Voltage
Switchover Hysteresis
CC
CC
Voltage
Load Regulation
OSENSE
to V
FB
A
= 25 C. V
CONDITIONS
RUN/SS Pin Rising
RUN/SS Pin Falling
V
V
TG High
TG Low
BG High
BG Low
C
C
C
C
6V < V
I
I
I
V
V
V
I
V
V
V
V
0.6V to 1.75V (Note 5)
V
V
CC
CC
CC
PGOOD
IN
IN
LOAD
LOAD
LOAD
LOAD
FB
FB
FB
VID0
VID0
VID0
OSENSE
CM
CM
= 0mA to 20mA, V
= 20mA, V
= 20mA, V
Falling
Rising
Rising
Falling
Returning
= 0V to (V
= 0V to 18V
to V
to V
to V
IN
= 3300pF
= 3300pF
= 3300pF
= 3300pF
The
= 1mA
Programmed from
< 30V, V
IN
VID4
VID4
VID4
= 15V unless otherwise noted.
EXTVCC
EXTVCC
denotes specifications which apply over the full operating
= 0V
Open
= 5V, V
CC
EXTVCC
– 1V)
Rising
= 5V
RUN/SS
EXTVCC
= 4V
= 0V
= 4V
– 0.45
– 0.5
– 7.5
MIN
0.8
4.7
4.5
7.5
0.4
6
–1.2
– 0.1
0.15
– 2.5
0.01
TYP
150
200
–10
400
100
3.5
1.8
3.4
3.5
4.7
1.2
4.5
20
20
20
20
10
10
45
80
4
2
2
3
1
5
1
0
4
LTC3714
–12.5
1000
MAX
12.5
0.25
300
4.5
4.2
3.9
5.3
2.5
0.4
– 3
14
10
80
3
4
3
3
4
2
2
1
2
UNITS
3
3714f
mV
mV
K
nA
nA
dB
dB
ns
ns
ns
ns
%
%
%
%
%
V
V
A
A
V
V
V
V
V
V
A
V
A
V