Datasheet

LTC3626
6
3626f
TYPICAL PERFORMANCE CHARACTERISTICS
Quiescent Current vs V
IN
(Burst Mode Operation)
Oscillator Frequency
vs Temperature
Oscillator Internal Set Frequency
vs Temperature
TRACK/SS Pull-Up Current
vs Temperature
Output Current Monitor Error
vs Output Current
Input Current Monitor
vs Input Current
Input Current Monitor Error
vs Input Current
Output Current Monitor
vs Output Current
OUTPUT CURRENT (A)
0.5
CALCULATED OUTPUT CURRENT,
IMON
OUT
• 16000 (A)
IMON
OUT
CURRENT (µA)
1.50
2.00
2.5
3626 G09
1.00
0.50
1.0
1.5
2.0
0.75
1.25
1.75
2.25
2.50
94
125
63
31
156
1.25
1.75
0.75
2.25
T
A
= 85°C
T
A
= 25°C
T
A
= –40°C
OUTPUT CURRENT (A)
1
–5
MEASURED OUTPUT CURRENT ERROR (%)
–3
–1
1
1.25
1.5
1.75 2
3626 G10
2.25
3
5
–4
–2
0
2
4
2.5
T
A
= 85°C
T
A
= 25°C
T
A
= –40°C
INPUT CURRENT (A)
0.1
CALCULATED INPUT CURRENT,
IMON
IN
• 16000 (A)
IMON
IN
CURRENT (µA)
0.30
0.40
0.5
3626 G11
0.20
0.10
0.2
0.3
0.4
0.15
0.25
0.35
0.45
0.50
19
25
13
6
31
16
22
9
28
0.25
0.35
0.15
0.45
T
A
= 85°C
T
A
= 25°C
T
A
= –40°C
INPUT CURRENT (A)
0.16
–10
MEASURED INPUT CURRENT ERROR (%)
–8
–4
–2
0
10
4
0.24
0.32
0.36
3626 G12
–6
6
8
2
0.20 0.28
0.40
0.44
0.48
T
A
= 85°C
T
A
= 25°C
T
A
= –40°C
INPUT VOLTAGE (V)
4
I
Q
(µA)
300
400
20
3626 G13
200
100
8
12
16
6
10
14
18
500
250
350
150
450
T
A
= 85°C
T
A
= 25°C
T
A
= –40°C
TEMPERATURE (°C)
–50
–10
FREQUENCY VARIATION (%)
–8
–4
–2
0
10
4
0
50
75 100
3626 G14
–6
6
8
2
–25
25
125
R
T
= 158kΩ
TEMPERATURE (°C)
–50
FREQUENCY (MHz)
2.2
2.4
2.6
25 75
3626 G15
2.0
1.8
–25 0
50 100 125
1.6
1.4
R
T
= INTV
CC
TEMPERATURE (°C)
–50
1.4
1.6
2.0
25 75
3626 G16
1.2
1.0
–25 0
50 100 125
0.8
0.6
1.8
I
TRACK/SS
(µA)
T
A
= 25°C, PV
IN
= SV
IN
= 12V, f = 1MHz unless otherwise noted.