參數(shù)資料
型號(hào): TDA4700A
廠(chǎng)商: INFINEON TECHNOLOGIES AG
元件分類(lèi): 穩(wěn)壓器
英文描述: 0.07 A SWITCHING CONTROLLER, 100 kHz SWITCHING FREQ-MAX, PDIP24
封裝: PLASTIC, DIP-24
文件頁(yè)數(shù): 15/21頁(yè)
文件大小: 436K
代理商: TDA4700A
TDA 4700
TDA 4718
Semiconductor Group
3
Pin Definitions and Functions (TDA 4700)
Pin
Symbol
Function
1
GND
Ground 0 V
2
3
+
V
REF
+
V
S
Reference voltage
Supply voltage
4
5
Q2
Q1
Output Q2
Output Q1
6
7
8
I SYM Q2
Q SYNC
C
soft start
Symmetry Q2
Sync. output
Soft start
9
10
11
R
T
C
filter
C
T
VCO
R
T
Capacitance
VCO
C
T
12
13
R
R
C
R
Ramp generator
R
R
Ramp generator
C
R
14
15
I COMP
Q Op Amp
Comparator input
Operational amplifier output
16
17
18
– I Op Amp
+ I Op Amp
I SYNC
Operational amplifier input (–)
Operational amplifier input (+)
Sync. input
19
ON/OFF/IUV
ON/OFF, undervoltage
20
21
QOV
IOV
Overvoltage output
Overvoltage input
22
23
I
DYN
+
I
DYN
Dynamic current limitation (–)
Dynamic current limitation (+)
24
I SYM Q1
Symmetry
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