參數(shù)資料
型號: TEA5170
廠商: 意法半導體
英文描述: Switch Mode Power Supply Secondary Circuit(開關模式電源次級電路)
中文描述: 開關電源二次回路(開關模式電源次級電路)
文件頁數(shù): 2/9頁
文件大小: 117K
代理商: TEA5170
V
Monitor
CC
Error Amplifier
2V
2.7V
LOGIC
(SYNCHRO)
OSCILLATOR
LOGIC
POWER OUTPUT
STAGE
SOFT START AND
DUTY CYCLE LIMITING
PWM
PWM
x -1
8
7
1
5
6
4
2
3
Comparator
Rt
Ct
Csf
E-
Eout
GND
V
CC
P
out
5
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol
V
CC
T
j
T
stg
Parameter
Value
15
150
– 40, + 150
Unit
V
°
C
°
C
Supply Voltage
Operating Junction Temperature
Storage Temperature Range
5
THERMAL DATA
Symbol
R
th (j-a)
Parameter
Value
90
Unit
°
C/W
Junction-ambient Thermal Resistance
5
RECOMMANDED OPERATING CONDITIONS
Symbol
V
CC
RT
CT
Fosc
Fsy
T
amb
VRT
VCT
I
SOURCE
Parameter
Min.
5
47
0.12
12
12
– 20
Typ.
Max.
14
180
1.8
250
64
70
7
100
60
Unit
V
k
nF
kHz
kHz
°
C
Volt
μ
A
mA
Power Supply Voltage
Timing Resistor
Timing Capacitor
Oscillator Frequency
Synchro Frequency
Operating Ambient Temperature
Voltage on Pin RT (8)
Current on Pin CT (1)
Output Current
30
5
TEA5170
2/9
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