參數(shù)資料
型號： IP3844AJ
英文描述： Current-Mode SMPS Controller
中文描述： 電流模式開關(guān)電源控制器
文件頁數(shù)： 3/6頁
文件大?。?/td> 72K
代理商： IP3844AJ
LAB
SEME
IP1844A SERIES
IP1845A SERIES
Semelab plc.
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 2/95
NOTES
1. Test Conditions unless otherwise stated:
V
CC
= 15V* , R
T
= 10k
, C
T
= 3.3nF , f = 52kHz.
*Adjust V
CC
above start threshold before setting at required level.
2. Output frequency is half the oscillator frequency.
4.90
5.00
6
6
5.10
20
25
0.2
0.4
4.82
5.18
50
5
25
30
80
160
47
52
0.2
5
1.7
8.3
57
1
7.8
7
8.8
9
2.42
2.50
–0.3
2.58
–2
65
90
0.7
1
60
70
2
6
–0.5
5
–0.8
6
0.7
1.1
4.95
5.00
6
6
5.05
20
25
0.2
0.4
4.90
5.10
50
5
25
30
80
160
47
52
0.2
5
1.7
8.3
57
1
7.8
7
8.8
9
2.45
2.50
–0.3
2.55
–1
65
90
0.7
1
60
70
2
6
–0.5
5
–0.8
6
0.7
1.1
IP1844A , IP1845A
IP2844A , IP2845A
Min.
Typ.
IP3844A
IP3845A
Typ.
Parameter
Test Conditions
1
REFERENCE SECTION
Max.
Min.
Max.
Units
Output Voltage
Input Regulation
Output Regulation
Temperature Stability
Total Output Variation
Output Noise Voltage
Long Term Stability
Output Short Circuit
Current
Frequency
Voltage Stability
Temperature Stability
Amplitude
Discharge Current
Input Voltage
Input Bias Current
Open Loop Voltage
Gain
Unity Gain Bandwidth
Supply Voltage
Rejection
Output Sink Current
Output Source Current
V
OUT
High
V
OUT
Low
I
O
= 1mA
V
CC
= 12V to 25V
I
O
= 1mA to 20mA
T
J
= 25°C
Line, Load, Temp
f = 10Hz to 10kHz
T
J
= 25°C
T
J
= 125°C @ 1000Hrs
V
REF
= 0
T
J
= 25°C
V
CC
= 12V to 25V
T
A
= Min to Max
V
PIN4
Peak to Peak
T
J
= 25°C
T
A
= Min to Max
ERROR AMP SECTION
(Note 2)
V
PIN1
= 2.5V
V
O
= 2V to 4V
V
CC
= 12V to 25V
V
PIN2
= 2.7V
V
PIN2
= 2.3V
V
PIN2
= 2.3V
V
PIN2
= 2.7V
V
PIN1
= 1.1V
V
PIN1
= 5V
R
L
= 15k
R
L
= 15k
V
mV
mV
°C
V
μ
V
mV
mA
kHz
%
%
V
mA
V
μ
A
dB
MHz
dB
mA
V
ELECTRICAL CHARACTERISTICS
(Over Full Operating Temperature Range unless otherwise stated)
OSCILLATOR SECTION
All specifications apply over the full operating temperature range unless otherwise stated.
(See Ordering Information for further details).
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