LTC3609IWKG#TRPBF Linear Technology, LTC3609IWKG#TRPBF Datasheet - Page 5
LTC3609IWKG#TRPBF
Manufacturer Part Number
LTC3609IWKG#TRPBF
Description
IC DC/DC CONV STP-DWN 6A 52-QFN
Manufacturer
Linear Technology
Type
Step-Down (Buck)r
Datasheet
1.LTC3609EWKGPBF.pdf
(26 pages)
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Typical perForMance characTerisTics
100
700
600
500
400
300
200
100
–10
90
80
70
60
50
40
30
20
10
15
10
–5
0
0
5
0
0.01
Efficiency vs Load Current
Frequency vs Load Current
0
0
Load Current vs I
Different V
V
FREQUENCY = 550kHz
IN
= 12V
0.5
DISCONTINUOUS MODE
2
LOAD CURRENT (A)
LOAD CURRENT (A)
0.1
RNG
I
TH
1.0
VOLTAGE (V)
CONTINUOUS MODE
4
TH
V
V
RNG
Voltage at
1.5
RNG
1
= 1V
= 1.2V
V
V
V
V
V
V
V
V
RNG
OUT
OUT
OUT
OUT
OUT
OUT
OUT
6
2.0
= 5V
= 3.3V
= 2.5V
= 1.8V
= 1.5V
= 1.2V
= 1V
= 0.7V
3609 G04
3609 G07
3609 G10
10
2.5
8
10000
–0.20
–0.40
–0.60
–0.80
1000
0.80
0.60
0.40
0.20
100
100
10
95
90
85
80
0
0
1
Efficiency vs Input Voltage
5
Load Regulation
On-Time vs I
FIGURE 6 CIRCUIT
FCB = 5V
FIGURE 6 CIRCUIT
8
11
2
I
LOAD
INPUT VOLTAGE (V)
LOAD CURRENT (A)
I
14
ON
ON
= 1A
CURRENT (µA)
I
LOAD
17
Current
10
4
20
= 6A
23
6
26
V
VON
29
3609 G08
3609 G11
3609 G05
= 0V
100
32
8
1000
650
600
550
500
450
400
800
600
400
200
2.5
2.0
1.5
1.0
0.5
0
0
0
0
5
Frequency vs Input Voltage
I
On-Time vs V
FCB = 0V
FIGURE 6 CIRCUIT
TH
I
FIGURE 6 CIRCUIT
ON
DISCONTINUOUS
MODE
Voltage vs Load Current
8
= 30µA
11
2
INPUT VOLTAGE (V)
LOAD CURRENT (A)
14
V
1
ON
ON
VOLTAGE (V)
17
LTC3609
Voltage
4
20
I
I
LOAD
LOAD
CONTINUOUS
MODE
23
2
= 6A
= 1A
6
26
29
3609 G06
3609 G09
3609 G12
3609fb
32
8
3