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參數資料
| 型號： | IP3845D-8 |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數： | 6/6頁 |
| 文件大?。?/td> | 70K |
| 代理商： | IP3845D-8 |
LAB
SEME
IP1844 SERIES
IP1845 SERIES
Semelab plc.
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 2/95
Open–Loop Laboratory Test Fixture
.01
.02
.04
.07
.1
.2
.4
.7
1.0
4
3
2
1
0
60
40
20
0
100
80
10
1k
100
10k
10M
100k
1M
.05
.5
.03
OUTPUT CURRENT, SOURCE / SINK (A)
.3
FREQUENCY (Hz)
S
V
OUTPUT SATURATION CHARACTERISTICS
ERROR AMPLIFIER OPEN-LOOP
FREQUENCY RESPONSE
V = 15V
T = 25C
T = –55C
A
V
f
SOURCE SAT
V - )
OH
SINK SAT (V )
OL
(
–45
–90
–135
–180
0
P
TYPICAL PERFORMANCE CHARACTERISTICS
APPLICATIONS INFORMATION
High peak current associated with capacitive loads necessitate careful grounding techniques. Timing and bypass capacitors should
be connected close to pin 5 in a single point ground. The transistor and 5K potentiometer are used to sample the oscillator wave
form and apply an adjustable ramp to pin 3.
0.1
μ
F
1k
1kW
1k
ERROR AMP
ADJUST
4.7k
5k
I
SENSE
ADJUST
4.7k
100k
2N2222
R
T
C
T
0.1
μ
F
V
REF
V
CC
OUTPUT
GROUND
1
2
4
5
7
8
3
6
I
SENSE
V
REF
V
CC
O/P
GND
COMP
V
FB
R
T
/C
T
0
20
15
10
0.5
0
10
5
15
20
0
20
15
10
0.5
0
5
2.5
7.5
10
UNDER VOLTAGE LOCKOUT
1844 SERIES
UNDER VOLTAGE LOCKOUT
1845 SERIES
V (V)
I
C
V (V)
I
C
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