LTC1735CF Linear Technology, LTC1735CF Datasheet - Page 6
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LTC1735CF
Manufacturer Part Number
LTC1735CF
Description
IC SW REG SYNC STEP-DWN 20-TSSOP
Manufacturer
Linear Technology
Type
Step-Down (Buck)r
Datasheet
1.LTC1735CSPBF.pdf
(32 pages)
Specifications of LTC1735CF
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
0°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-TSSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power - Output
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LTC1735CF
Manufacturer:
Linear Technology
Quantity:
135
Part Number:
LTC1735CFE
Manufacturer:
LINEAR/凌特
Quantity:
20 000
LTC1735
TYPICAL PERFOR A CE CHARACTERISTICS
6
–100
280
250
300
290
270
260
–50
100
50
0
–40 –15
0
SENSE Pins Total Source Current
Oscillator Frequency
vs Temperature
C
OSC
V
SENSE
= 47pF
10
COMMON MODE VOLTAGE (V)
TEMPERATURE ( C)
2
35
100
60
90
80
70
50
40
30
20
10
0
60
0
Supply Current in Shutdown
vs V
4
85
RUN/SS
W
0.5
110
1735 G19
1735 G16
U
135
V
6
RUN/SS
1
2.5
2.0
1.5
1.0
0.5
–2
–1
–3
–4
–5
1.5
0
0
–40 –15
RUN/SS Pin Current
vs Temperature
0
I
TH
V
V
V
R
f
O
CONTINUOUS
RUN/SS
IN
OUT
SENSE
1735 G28
= 300kHz
Voltage vs Load Current
= 10V
= 3.3V
1
2
= 0.01
= 0V
MODE
10
TEMPERATURE ( C)
LOAD CURRENT (A)
Burst Mode
OPERATION
2
35
SYNCHRONIZED f = f
3
60
4
85
30
25
20
15
10
5
0
–50
Supply Current in Shutdown
vs Temperature
110
5
1735 G20
1735 G17
O
135
6
0
TEMPERATURE ( C)
–0.2
–0.4
–0.6
–0.8
–1.0
100
20
50
80
60
40
0
0
–40 –15
0
FCB Pin Current vs Temperature
Output Current vs Duty Cycle
f
V
SYNC
FCB
= 0.85V
= f
100
20
O
10
I
OUT
TEMPERATURE ( C)
1735 G29
DUTY CYCLE (%)
/I
40
MAX
35
150
(SYNC)
(FREE RUN)
60
I
OUT
60
/I
MAX
85
80
110
1735 G14
1735 G21
1735fc
100
135