LTC2846 Linear Technology, LTC2846 Datasheet - Page 6

• Manufacturer Part Number: LTC2846
• Description: 3.3V Software-Selectable Multiprotocol Transceiver with Termination
• Manufacturer: Linear Technology

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LTC2846
TYPICAL PERFOR A CE CHARACTERISTICS
6
4
110
105
100
80
95
90
85
40
35
30
25
20
15
10
0
–40
5
V.11 Mode I
Boost Switching Regulator SHDN
Pin Current vs Voltage
0
–20
1
SHDN PIN VOLTAGE (V)
0
TEMPERATURE ( C)
2
T
CC
A
20
= 25 C
vs Temperature
3
40
4
60
T
A
W
= 100 C
80
5
2846 G07
2846 G10
U
100
6
128.0
127.5
127.0
126.5
126.0
125.5
125.0
124.5
124.0
123.5
123.0
1.4
1.2
0.8
0.6
0.4
1.0
0.2
90
85
80
75
70
65
60
55
50
0
–40
10
Efficiency vs Load Current
0
V.35 Mode I
Boost Switching Regulator
Current Limit vs Duty Cycle
T
T
A
A
50
–20
= 25 C
= 25 C
20
100
30
150
0
LOAD CURRENT (mA)
TEMPERATURE ( C)
DUTY CYCLE (%)
CC
V
200
IN
20
40
vs Temperature
= 3.3V
250
40
50
300
350
60
60
400
80
70
2846 TA01b
2846 G11
450
2846 G08
100
500
80
1.30
1.25
1.20
1.15
1.10
1.05
37.5
37.0
36.5
36.0
35.5
35.0
34.5
34.0
33.5
–40
–40 –20
Boost Switching Regulator
Oscillator Frequency
vs Temperature
V.28 Mode I
– 20
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
CC
20
20
vs Temperature
40
40
60
60
sn2846 2846fs
80
80
3846 G09
2846 G12
100
100