LTC1735IGN#PBF Linear Technology, LTC1735IGN#PBF Datasheet - Page 29

• Manufacturer Part Number: LTC1735IGN#PBF
• Description: IC SW REG STEP-DOWN SYNC 16-SSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1735IGN#PBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 6 V
• Current - Output: 3A
• Frequency - Switching: 300kHz
• Voltage - Input: 4 ~ 30 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Number Of Pwm Outputs: 1
• On/off Pin: No
• Adjustable Output: Yes
• Topology: Boost/Buck/Flyback
• Switching Freq: 500KHz
• Duty Cycle: 99.4%
• Operating Supply Voltage (max): 36V
• Output Current: 3000A
• Output Voltage: 0.8 to 6V
• Synchronous Pin: Yes
• Rise Time: 50ns
• Fall Time: 50ns
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 16
• Package Type: SSOP N
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant

TYPICAL APPLICATIO S
2200pF R
150pF
C
C
OSC
C
3.3k
C
47pF
3300pF
47pF
0.1 F
100pF
C
0.1 F
C
47pF
C
C
SS
C2
SS
C2
V
OUT
100
POWER GOOD
33k
R
C
43pF
C
1000pF
OSC
1
2
3
4
5
6
7
8
330pF
CMDSH-3
C
C
C
RUN/SS
I
FCB
SGND
V
SENSE
SENSE
Selectable Output Voltage Converter with Burst Mode Operation Disabled for CPU Power
1M
TH
OSC
OSENSE
NC
10
10
LTC1735
–
+
10
1
2
3
4
5
6
7
8
9
FMMT625
EXTV
NC
C
RUN/SS
I
FCB
SGND
V
PGOOD
SENSE
SENSE
BOOST
INTV
TH
OSC
OSENSE
PGND
SW
V
BG
TG
CC
CC
LTC1735F
IN
–
+
16
15
14
13
12
11
10
9
U
EXTV
BOOST
INTV
10k
PGND
6.2V
SW
V
NC
BG
NC
TG
CC
CC
IN
+
20
19
18
17
16
15
14
13
12
11
4V to 40V Input to 12V Flyback Converter
0.1 F
NC
OPTIONAL:
CONNECT TO 5V
NC
4.7 F
1 F
CER
C
22 F
50V
IN
2
+
0.1 F
4.7
0.22 F
D
CMDSH-3
4.7 F
B
C
B
4.5V TO 24V
4V TO 40V
10
V
3
V
IN
IN
M1
FDS6680A
M2
FDS6680A
T1
M1
IRL2910S
R
0.004
2
MBRS340T3
SENSE
6
7
1.2 H
L1
22
1nF
100V
C
22 F
CER
IN
2
0.004
R
SENSE
C
C
L1: PANASONIC ETQP6F1R2HFA
R
IN
OUT
SENSE
C
C
T1: COILTRONICS VP5-0155
R
: MARCON THCR70EIH226ZT
1735 TA05
M2
Si4850EY
IN
OUT
SENSE
: KEMET T510X447M006AS
: MARCON THCR70EIH226ZT
R3
33.2k
1%
: IRC LRF2512-01-R004F
: AVX TPSV227M016R0150
: IRC LRF2512-01-R004F
VN2222
10k
47pF
47pF
MBRS1100
R2
10k
1%
R1
14.3k
1%
SGND
+
47
1nF
100V
ON: V
OFF: V
C
470 F
6.3V
KEMET
OUT
3
LTC1735
1735 TA07
OUT
OUT
V
1.35V/1.60V
12A
OUT
= 1.60V
= 1.35V
R2
113k
1%
R1
8.06k
1%
+
29
C
220 F
16V
OUT
4
1735fc
V
12V
3A
OUT