LTC3611EWP LINER [Linear Technology], LTC3611EWP Datasheet - Page 3

• Manufacturer Part Number: LTC3611EWP
• Description: 10A, 32V Monolithic Synchronous Step-Down DC/DC Converter
• Manufacturer: LINER [Linear Technology]

ELECTRICAL CHARACTERISTICS
SYMBOL
Main Control Loop
V
I
V
ΔV
ΔV
I
g
V
I
t
t
t
I
I
ΔV
V
V
V
I
I
V
V
R
temperature range, otherwise specifi cations are at T
Q
FB
FCB
ON
ON(MIN)
OFF(MIN)
VALLEY(MAX)
VALLEY(MIN)
RUN/SS(C)
RUN/SS(D)
m(EA)
IN
FB
FCB
RUN/SS(ON)
RUN/SS(LE)
RUN/SS(LT)
IN(UVLO)
IN(UVLOR)
DS(ON)
FB(LINEREG)
FB(LOADREG)
FB(OV)
PARAMETER
Operating Input Voltage Range
Input DC Supply Current
Feedback Reference Voltage
Feedback Voltage Line Regulation
Feedback Voltage Load Regulation
Feedback Input Current
Error Amplifier Transconductance
Forced Continuous Threshold
Forced Continuous Pin Current
On-Time
Minimum On-Time
Minimum Off-Time
Maximum Valley Current
Maximum Reverse Valley Current
Output Overvoltage Fault Threshold
RUN Pin Start Threshold
RUN Pin Latchoff Enable Threshold
RUN Pin Latchoff Threshold
Soft-Start Charge Current
Soft-Start Discharge Current
Undervoltage Lockout
Undervoltage Lockout Release
Top Switch On-Resistance
Bottom Switch On-Resistance
Normal
Shutdown Supply Current
LTC3611E
LTC3611I
A
= 25°C. V
CONDITIONS
I
–40°C ≤ T
–40°C ≤ T
V
I
V
I
V
I
I
I
I
V
V
V
V
RUN/SS Pin Rising
RUN/SS Pin Falling
V
V
V
V
TH
TH
TH
ON
ON
ON
ON
IN
FB
FCB
RNG
RNG
RNG
RNG
RUN/SS
RUN/SS
IN
IN
= 1.2V (Note 3)
= 0.5V to 1.9V (Note 3)
= 1.2V (Note 3)
The
= 4V to 30V, I
= 60μA, V
= 60μA, V
= 180μA, V
= 30μA, V
Falling
Rising
= 0.6V
= 0.6V
= 0V, V
= 1V, V
= 0V, V
= 1V, V
l
= 0V
= 4.5V, V
IN
J
J
denotes the specifi cations which apply over the full operating
≤ 85°C
≤ 125°C
= 15V unless otherwise noted.
FB
FB
FB
FB
ON
ON
ON
ON
= 0.56V, FCB = 0V
= 0.64V, FCB = 0V
= 0.56V, FCB = 0V
= 0.64V, FCB = 0V
= 1.5V
= 1.5V
= 0V
TH
FB
= 0V
= 1.2V (Note 3)
= 0V
l
l
l
l
l
l
l
l
0.594
0.590
0.54
–0.5
MIN
190
4.5
0.8
0.8
1.4
–4
–6
7
6
8
0.600
0.600
0.002
–0.05
TYP
–1.2
900
250
290
120
0.6
1.5
3.5
1.8
3.4
3.5
1.7
–6
15
–5
–1
60
10
15
–8
10
15
4
9
LTC3611
0.606
0.610
2000
MAX
–0.3
0.66
±50
310
100
500
–10
4.5
4.2
3.9
–8
–3
32
30
–2
13
22
14
2
2
3
4
UNITS
3611fb
3
%/V
mΩ
mΩ
mS
μA
μA
nA
μA
μA
μA
ns
ns
ns
ns
%
%
V
V
V
V
A
A
A
A
V
V
V
V
V