LTC3609EWKG#PBF Linear Technology, LTC3609EWKG#PBF Datasheet - Page 23

• Manufacturer Part Number: LTC3609EWKG#PBF
• Description: IC DC/DC CONV STP-DWN 6A 52-QFN
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3609EWKG#PBF

• 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: -

Typical applicaTions
5V TO 32V
1.8V AT
200mV/DIV
V
GND
OUT
V
6A
IN
5A/DIV
V
OUT
C
100µF
OUT1
I
L
C5: TAIYO YUDEN JMK316BJ226ML-T
C
C
L
KEEP POWER GROUND AND SIGNAL
GROUND SEPARATE. CONNECT AT
ONE POINT.
x2
I
LOAD STEP 500mA TO 4A
V
V
FCB = 0V
IN
OUT
: 1HLP25CZERR80M01
C
4.7µF
x2
IN
OUT
: MURATA GRM32ER71H475K
IN
: MURATA GRM32ER60J107M
= 12V
= 1.8V
0.47µH
Transient Response
L1
V
IN
20µs/DIV
GND
41
42
43
44
45
46
47
48
49
50
51
52
SW
SW
SW
SW
SW
SW
SW
PV
PV
PV
PV
PV
IN
IN
IN
IN
IN
1
40 39 38 37 36 35 34 33
2
5V to 32V Input to 1.8V/6A All Ceramic 1MHz
3
3609 TA04b
INTV
4
CC
5
4.7µF
CMDSH-3
C
6.3V
6
VCC
D
B
7
LTC3609
8
SW
SW
SW
9 10 11
INTV
32
C
0.22µF
CC
31
B1
0.1µF
30 29 28 27
C
SS
2
12 13 14
C
0.1µF
50V
F
100
PGOOD
C
0.1µF
90
80
70
60
50
40
30
20
10
VON
SGND
SGND
SGND
0
V
10
FCB
RNG
V
I
I
NC
NC
NC
ON
TH
R
FB
1
F1
26
25
24
23
22
21
20
19
18
17
16
15
Efficiency vs Load Current
V
IN
LOAD CURRENT (mA)
100
SGND
V
OUT
R1
10k
1%
PGOOD
C4
0.01µF
1000
EXTV
102k
R
20k
1%
1%
R
100k
R2
ON
PG1
5.76k
CC
INTV
R5
LTC3609
3609 TA04c
V
V
CC
1500pF
OUT
IN
100pF
10000
C
C
C1
C2
3609 TA04
INTV

CC
JP1
3609fb