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參數(shù)資料
| 型號(hào)： | UC2845AAY |
| 廠商： | Microsemi Corporation |
| 英文描述： | CURRENT MODE PWM CONTROLLER |
| 中文描述： | 電流模式PWM控制器 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 242K |
| 代理商： | UC2845AAY |
C
U R R E N T
M
O D E
PWM C
O N T R O L L E R
UC184xA/284xA/384xA
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
Copyright 1995
Rev. 1.2 12/95
2
P
R O D U C T I O N
D
A T A
S
H E E T
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Supply Voltage (Low Impedance Source) (V
) ......................................................... 30V
Supply Voltage (I
< 30mA).......................................................................... Self Limiting
Output Current............................................................................................................. ±1A
Output Energy (Capacitive Load)................................................................................. 5μJ
Analog Inputs (V
& I
) ........................................................................ -0.3V to +6.3V
Error Amp Output Sink Current ............................................................................... 10mA
Power Dissipation at T
= 25°C (M Package).............................................................. 1W
Storage Temperature Range .................................................................... -65°C to +150°C
Lead Temperature (Soldering, 10 Seconds)............................................................. 300°C
PACKAGE PIN OUTS
Note 1. Exceeding these ratings could cause damage to the device. All voltages are with respect
to Ground. Currents are positive into, negative out of the specified terminal. Pin
numbers refer to DIL packages only.
1
8
2
7
3
6
4
5
M & Y PACKAGE
(Top View)
M PACKAGE:
THERMAL RESISTANCE-JUNCTION TO AMBIENT,
θ
JA
DM PACKAGE:
THERMAL RESISTANCE-JUNCTION TO AMBIENT,
θ
JA
D PACKAGE:
THERMAL RESISTANCE-JUNCTION TO AMBIENT,
θ
JA
Y PACKAGE:
THERMAL RESISTANCE-JUNCTION TO AMBIENT,
θ
JA
95°C/W
165°C/W
120°C/W
130°C/W
Junction Temperature Calculation: T
= T
+ (P
x
θ
).
The
θ
numbers are guidelines for the thermal performance of the device/pc-board system.
All of the above assume no ambient airflow
THERMAL DATA
DM PACKAGE
(Top View)
V
REF
V
CC
OUTPUT
GND
COMP
V
FB
I
SENSE
R
T
/C
T
1
8
2
7
3
6
4
5
V
REF
N.C.
V
CC
V
C
OUTPUT
GND
PWR GND
COMP
N.C.
V
FB
N.C.
I
SENSE
N.C.
R
T
/C
T
1
14
2
13
3
12
4
11
5
10
6
9
7
8
D PACKAGE
(Top View)
COMP
V
FB
I
SENSE
R
T
/C
T
V
REF
V
CC
OUTPUT
GND
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| UC2845AD | 功能描述:電流型 PWM 控制器 Current Mode RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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| UC2845AD1013TR | 制造商:STMicroelectronics 功能描述: |
| UC2845AD8 | 功能描述:電流型 PWM 控制器 Current Mode RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| UC2845AD8G4 | 功能描述:電流型 PWM 控制器 Current-Mode PWM Controller RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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