LTC1699 Series
U W
TYPICAL PERFOR A CE CHARACTERISTICS
Resistance Between SENSE and FB
Pins vs Temperature (LTC1699-81)
Supply Current vs Supply Voltage
Supply Current vs Temperature
350
300
250
200
150
100
50
300
250
200
150
100
50
20.08
20.06
20.04
20.02
20.00
19.98
19.96
19.94
19.92
19.90
19.88
T
= 25°C
V
= 2.7V TO 5.5V
CC
A
V
= 5.5V
CC
V
= 2.7V
CC
0
0
1.5
2
2.5
3
3.5
4
4.5
(V)
5
5.5
6
6.5
7
–55 –35 –15
5
25 45 65 85 105 125
TEMPERATURE (°C)
–55 –35 –15
5
25 45 65 85 105 125
TEMPERATURE (°C)
V
CC
1699 G01
1699 G02
1699 G03
Resistance Between SENSE and
FB Pins vs Temperature
(LTC1699-80, LTC1699-82)
SCL, SDA, SEL and VRON Input
High and Low Voltage vs
Temperature
SCL, SDA, SEL and VRON Input
High and Low Voltage vs Supply
Voltage
10.08
10.06
10.04
10.02
10.00
9.98
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
V
= 2.7V TO 5.5V
T
= 25°C
CC
A
INPUT HIGH, V = 5.5V
CC
INPUT HIGH
INPUT LOW
INPUT LOW, V = 5.5V
CC
INPUT HIGH, V = 2.7V
CC
9.96
INPUT LOW, V = 2.7V
CC
9.94
9.92
–55 –35 –15
5
25 45 65 85 105 125
–55 –35 –15
5
25 45 65 85 105 125
2.5
3
3.5
4
4.5
5
5.5
6
6.5
7
TEMPERATURE (°C)
TEMPERATURE (°C)
SUPPLY VOLTAGE (V)
1699 G18
1699 G04
1699 G05
SDA, CPU_ON, IO_ON, CLK_ON
Output Low Voltage vs
Temperature
SCL, SDA, SEL and VRON
Hysteresis vs Temperature
SCL, SDA, SEL and VRON
Hysteresis vs Supply Voltage
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0
0.10
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0
0.25
0.20
0.15
0.10
0.05
0
I
= 3mA
T = 25°C
PIN
V
V
= 5.5V
= 2.7V
V
= 2.7V
CC
CC
CC
V
= 5.5V
CC
–55 –35 –15
5
25 45 65 85 105 125
2.5
3
3.5
4
4.5
5
5.5
6
6.5
7
–55 –35 –15
5
25 45 65 85 105 125
TEMPERATURE (°C)
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
1699 G06
1699 G07
1699 G08
4
Linear [ Linear ]
