LTC1909-8 LINER [Linear Technology], LTC1909-8 Datasheet - Page 8

• Manufacturer Part Number: LTC1909-8
• Description: Wide Operating Range,No RSENSE TM Step-Down DC/DC Controller with SMBus Programming
• Manufacturer: LINER [Linear Technology]

LTC1909-8
TYPICAL PERFOR A CE CHARACTERISTICS
8
3.0
2.5
2.0
1.5
1.0
0.5
80
70
60
50
40
30
20
10
0
0
– 55 –35 –15
1.5
SDA, PGTMR, CPUON Sink
Current vs Temperature
VRON Pull-Up Current
vs Supply Voltage
T
V
A
RON
= 25 C
= 0V
2.5
SUPPLY VOLTAGE (V)
TEMPERATURE ( C)
V
V
5
3.5
CC
CC
= 5.5V, I
= 2.7V, I
25
4.5
45
SK2
SK1
65
5.5
W
85 105 125
19098 G013
19098 G10
6.5
U
52.0
51.5
51.0
50.5
50.0
49.5
49.0
7
6
5
4
3
2
1
0
–60 –40 –20 0
–60 –40 –20 0
PGTMR, CPUON Leakage Current
vs Temperature
Power Good Timer Low Duration
vs Temperature
V
PIN
= 5.5V
TEMPERATURE ( C)
TEMPERATURE ( C)
20 40 60 80 100 120
20 40 60 80 100 120
V
V
CC
CC
= 5.5V
= 2.7V
19098 G11
19098 G14
(SMBus VID Programmer)
–0.05
–0.10
–0.15
–0.20
2.50
2.45
2.40
2.35
2.30
2.25
2.20
2.15
2.10
2.05
2.00
1.95
1.90
0.25
0.20
0.15
0.10
0.05
0
– 55 –35 –15
–55 –35 –15
VRON Pull-Up Current
vs Temperature
Resistor Divider Error
vs Temperature
V
CC
= 2.7V (MINIMUM V
TEMPERATURE ( C)
TEMPERATURE ( C)
5
CODE 15
CODE 31
CODE 0
CODE 16
5
V
V
25
25
CC
CC
= 5.5V
= 2.7V
45
45
CC
)
65
65
85 105 125
85 105 125
19098 G12
19098 G15
19098f