lt3695 Linear Technology Corporation, lt3695 Datasheet - Page 7

• Manufacturer Part Number: lt3695
• Description: 1a Fault Tolerant Micropower Step-down Regulator
• Manufacturer: Linear Technology Corporation

TYPICAL PERFORMANCE CHARACTERISTICS
12
10
8
6
4
2
0
0
RUN/SS Pin Current
5
10
RUN/SS PIN VOLTAGE (V)
15
4.0
3.5
3.0
2.5
2.0
5.0
4.5
40
35
30
25
20
15
10
5
0
1
Maximum V
Minimum Input Voltage
20
V
L = 10μH
f = 800kHz
OUT
0.1 0.2 0.3 0.4 0.5
25
T
= 3.3V
A
= 85˚C
T
A
30
LOAD CURRENT (mA)
= 25˚C
LOAD CURRENT(A)
10
IN
35
for Full Frequency
3695 G21
40
0.6
100
0.7
V
L = 10μH
f = 800kHz
SYNC = 3.3V
OUT
0.8
1.4
1.2
1.0
0.8
0.6
0.4
0.2
= 3.3V
0
0.9
0
3695 G29
Boost Diode Forward Voltage
3695 G26
1000
1
0.25
BOOST DIODE CURRENT (A)
0.5
6.5
6.0
5.5
5.0
4.5
25
20
15
10
0.75
40
35
30
4
5
1
0
Minimum Input Voltage
Maximum V
V
L = 10μH
f = 800kHz
OUT
T
0.1 0.2 0.3 0.4 0.5
T
A
3695 G21
A
= 25°C, unless otherwise noted.
= 5V
= 85˚C
T
A
1
= 25˚C
LOAD CURRENT (mA)
LOAD CURRENT(A)
10
IN
for Full Frequency
–10
–20
–30
–40
–50
–60
60
50
40
30
20
10
0
–200
Error Amplifi er Output Current
0.6
100
0.7
V
L = 10μH
f = 800kHz
SYNC = 5V
FB PIN ERROR VOLTAGE (mV)
–100
OUT
0.8
= 5V
0.9
3695 G27
3695 G30
1000
1
0
LT3695
100
3659 G23
7
3695f
200