LTC1922EG-1 Linear Technology, LTC1922EG-1 Datasheet - Page 4

• Manufacturer Part Number: LTC1922EG-1
• Description: IC CTRLR PWM SYNC 20SSOP
• Manufacturer: Linear Technology

Specifications of LTC1922EG-1

• Pwm Type: Voltage/Current Mode
• Number Of Outputs: 1
• Frequency - Max: 1MHz
• Duty Cycle: 99%
• Buck: No
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SSOP
• Frequency-max: 1MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Supply: -

LTC1922-1
4
TYPICAL PERFOR A CE CHARACTERISTICS
200
100
150
50
0
0
Start-Up I
T
A
= 25 C
2
CC
vs V
4
5.01
4.99
4.98
4.97
5.00
V
350
300
250
200
150
100
CC
50
CC
– 60
0
(V)
V
Leading Edge Blanking Time
vs R
0
REF
T
6
A
10
– 40
= 25 C
LEB
vs Temperature
20
W
– 20
8
30
TEMPERATURE ( C)
1922 • G01
0
40
U
R
10
LEB
20
50
(k )
60
40
10.50
10.25
10.00
9.75
9.50
70
60
0
80
V
T
CC
A
80
1922 • G03
1922 • G04
= 25 C
90
vs I
10
100
100
SHUNT
I
20
SHUNT
(mA)
30
40
–270
–360
–180
5.05
5.00
4.95
4.90
4.85
4.80
100
80
60
40
20
1922 • G02
0
10
Error Amplifier Gain/Phase
0
V
REF
50
T
J
5
100
= 25 C
vs I
10
REF
1k
FREQUENCY (Hz)
280
270
260
250
240
15
T
– 60
J
I
Oscillator Frequency vs
Temperature
REF
= 85 C
10k
20
(mA)
C
T
– 40
T
J
= 180pF
= –40 C
25
100k
– 20
TEMPERATURE ( C)
30
T
A
0
1M
= 25 C
1922 • G05
35
1922 • G07
20
10M
40
40
60
80
1922 • G03
100