LTC3609IWKG#TRPBF Linear Technology, LTC3609IWKG#TRPBF Datasheet - Page 3

• Manufacturer Part Number: LTC3609IWKG#TRPBF
• Description: IC DC/DC CONV STP-DWN 6A 52-QFN
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3609IWKG#TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.6 ~ 36 V
• Current - Output: 6A
• Voltage - Input: 4 ~ 32 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 52-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Frequency - Switching: -

elecTrical characTerisTics
junction temperature range, otherwise specifications are at T
SYMBOL
Main Control Loop
SV
I
V
∆V
∆V
I
g
V
I
t
t
t
I
I
∆V
V
V
V
I
I
V
V
R
Q
FB
FCB
ON
ON(MIN)
OFF(MIN)
VALLEY(MAX)
VALLEY(MIN)
RUN/SS(C)
RUN/SS(D)
m(EA)
FB
FCB
RUN/SS(ON)
RUN/SS(LE)
RUN/SS(LT)
IN(UVLO)
IN(UVLOR)
DS(ON)
FB(LINEREG)
FB(LOADREG)
FB(OV)
IN
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
CONDITIONS
I
–40°C to 85°C
–40°C to 125°C
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
The
= 1.2V (Note 3)
= 0.5V to 1.9V (Note 3)
= 1.2V (Note 3)
= 60µA, V
= 60µA, V
= 180µA, V
= 30µA, V
= 4V to 30V, I
Falling
Rising
= 0.6V
= 0.6V
= 0V, V
= 1.2V, V
= 0V, V
= 1.2V, V
A
= 25°C. V
l
= 0V
= 4.5V, V
denotes the specifications which apply over the full operating
FB
FB
ON
ON
ON
FB
FB
ON
= 0.56V, FCB = 0V
= 0.64V, FCB = 0V
= 1.5V
= 0V
= 1.5V
TH
= 0.56V, FCB = 0V
= 0.64V, FCB = 0V
FB
= 0V
IN
= 0V
= 1.2V (Note 3)
= 15V unless otherwise noted.
l
l
l
l
l
l
l
l
0.594
0.590
MIN
0.54
–0.5
220
1.4
0.8
0.8
4
4
6
7
0.600
0.600
0.002
–0.05
–1.2
TYP
900
280
110
320
1.7
0.6
1.5
3.5
1.8
3.4
3.5
15
–5
–1
60
14
10
18
13
9
4
7
4
LTC3609
0.606
0.610
2000
MAX
–0.3
0.66
±50
340
100
500
4.5
4.2
3.9
32
30
–2
13
–3
27
22
2
2
3
4
UNITS
3609fb

%/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