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