Datasheet

LTC1922-1
4
TYPICAL PERFOR A CE CHARACTERISTICS
UW
V
CC
(V)
0
I
CC
(µA)
100
150
8
1922 • G01
50
0
2
4
6
10
200
T
A
= 25°C
I
SHUNT
(mA)
0
V
CC
(V)
10.00
10.25
40
1922 • G02
9.75
9.50
10
20
30
50
10.50
T
A
= 25°C
TEMPERATURE (°C)
FREQUENCY (kHz)
260
270
80
1922 • G03
250
240
–40–60 –20 200 40 60 100
280
C
T
= 180pF
R
LEB
(kΩ)
0
BLANK TIME (ns)
350
300
250
200
150
100
50
0
1922 • G04
40
100
2010 30 50 70 90
60 80
T
A
= 25°C
I
REF
(mA)
0
V
REF
(V)
5.05
5.00
4.95
4.90
4.85
4.80
15 25 40
1922 • G05
510
20
30 35
T
J
= 25°C
T
J
= 85°C
T
J
= –40°C
TEMPERATURE (°C)
V
REF
(V)
4.99
5.00
80
1922 • G03
4.98
4.97
–40–60 –20 200 40 60 100
5.01
Start-Up I
CC
vs V
CC
V
CC
vs I
SHUNT
Oscillator Frequency vs
Temperature
Leading Edge Blanking Time
vs R
LEB
V
REF
vs I
REF
V
REF
vs Temperature
Error Amplifier Gain/Phase
FREQUENCY (Hz)
GAIN (dB)PHASE (DEG)
–180
1M
1922 • G07
–270
–360
10 1k100 10k 100k 10M
100
80
60
40
20
0
T
A
= 25°C