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參數(shù)資料
| 型號(hào)： | IP3845 |
| 廠(chǎng)商： | SEMELAB LTD |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | CURRENT MODE REGULATING PULSE WIDTH MODULATORS |
| 中文描述： | 0.2 A SWITCHING REGULATOR, PDSO14 |
| 封裝： | SOIC-14 |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大小： | 58K |
| 代理商： | IP3845 |
LAB
SEME
IP1844 SERIES
IP1845 SERIES
Semelab plc.
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 2/95
CURRENT MODE
REGULATING
PULSE WIDTH
MODULATORS
FEATURES
Guaranteed ±1% reference voltage tolerance
Guaranteed ±10% frequency tolerance
Low start–up current (<500
m
A)
Under voltage lockout with hysteresis
Output state completely defined for all supply
and input conditions
Interchangeable with UC1844 and UC1845
series for improved operation
500kHz Oscillator operation
250kHz Output operation
+30V
Self limiting
±1A
5
μ
J
–0.3V to +V
CC
10mA
1W
10mW/°C
725mW
7.25mW/°C
2W
16mW/°C
–65 to 150°C
+300°C
ABSOLUTE MAXIMUM RATINGS
(T
case
= 25°C unless otherwise stated)
V
CC
Supply Voltage
TOP VIEW
J Package – 8 Pin Ceramic DIP
N Package – 8 Pin Plastic DIP
D-8 Package – 8 Pin Plastic (150) SOIC
TOP VIEW
1
2
3
4
8
7
6
5
COMP
V
REF
GROUND
OUTPUT
R
T
/C
T
V
CC
I
SENSE
V
FB
D-14 Package – 14 Pin Plastic (150) SOIC
COMP
V
REF
GROUND
OUTPUT
1
2
3
4
POWER
GROUND
5
6
7
14
13
12
11
10
9
8
N/C
R
T
/C
T
I
SENSE
N/C
N/C
N/C
V
CC
V
FB
V
C
(low impedance source)
(I
CC
< 30mA)
I
O
Output Current
Output Energy
Analog Inputs
Error Amp Output Sink Current
Power Dissipation
Derate @ T
amb
> 50°C
Power Dissipation
Derate @ T
amb
> 50°C
Power Dissipation
Derate @ T
case
> 25°C
Storage Temperature Range
Lead Temperature
(capacitive load)
(pins 2 and 3)
P
D
T
amb
= 25°C
J, N Packages
P
D
T
case
= 25°C
D Package
P
D
T
case
= 25°C
J, N Packages
T
STG
T
L
(soldering, 10 seconds)
Part
Number
IP1844
IP2844
IP3844
IP1845
IP2845
IP3845
J–Pack
8 Pin
N–Pack
8 Pin
D–8
8 Pin
D–14
14 Pin
Temp.
Range
-55 to +125°C
-25 to +85°C
0 to +70°C
-55 to +125°C
-25 to +85°C
0 to +70°C
Order Information
Note:
To order, add the package identifier to the
part number.
eg.
IP1844D–14
IP3845J
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IP1845 | RES,TF,634,1.0%,100P |
| IP2844 | CURRENT MODE REGULATING PULSE WIDTH MODULATORS |
| IP2845 | CURRENT MODE REGULATING PULSE WIDTH MODULATORS |
| IP1M10 | 200mA DUAL H-BRIDGE |
| IP1M12 | 200mA DUAL H-BRIDGE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IP3845A | 制造商:SEME-LAB 制造商全稱(chēng):Seme LAB 功能描述:CURRENT MODE REGULATING PULSE WIDTH MODULATORS |
| IP3845AD | 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Analog IC |
| IP3845AD14 | 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Analog IC |
| IP3845AD-14 | 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Current-Mode SMPS Controller |
| IP3845AD-8 | 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Current-Mode SMPS Controller |
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