參數(shù)資料
型號: TDA4916GG
廠商: SIEMENS A G
元件分類: 穩(wěn)壓器
英文描述: SMPS-IC with MOSFET Driver Output
中文描述: SWITCHING CONTROLLER, PDSO24
文件頁數(shù): 13/27頁
文件大小: 918K
代理商: TDA4916GG
TDA 4916 GG
Semiconductor Group
13
05.96
Temperature-
dependence of
nominal frequency
f
τ
/
f
O
– 3
3
%
– 25
°
C <
T
A
< + 85
°
C;
V
S
= 12 V;
relative to
f
O
at 25
°
C;
20 kHz <
f
O
< 150 kHz
20 kHz to 150 kHz
Nominal frequency
Nominal frequency
Nominal frequency
Maximum duty cycle
ν
20150
Maximum duty cycle
ν
150200
Maximum duty cycle
ν
250300
f
20150
f
150250
f
250300
0.92
f
O
0.88
f
O
0.85
f
O
48
46
44
f
O
f
O
f
O
1.08
f
O
kHz
1)
1.12
f
O
kHz
1),2)
150 kHz to 250 kHz
1.15
f
O
kHz
1),2)
250 kHz to 300 kHz
52
%
2)
20 kHz to 150 kHz
54
%
2)
150 kHz to 250 kHz
56
%
2)
250 kHz to 300 kHz
Ramp Generator
Frequency range
f
V
CRH
0.05
300
kHz
Maximum voltage at
C
R
Minimum voltage
at
C
R
Discharge current at
C
R
Capacitance at
C
R
ON-time spread
(limited by
C
SS
)
4.8
5.8
6.8
V
V
CRL
1.4
1.8
2.2
V
I
dis
0.75
1.00
1.25
mA
internally fixed
C
R
t
Ot
/
t
Ot
10
– 9
pF
%
9
C
r
= 200 pF;
V
IK1
>
V
SSH
;
I
Rr
= 150
μ
A;
T
A
= 25
°
C;
relative to
t
Ot
= 4.0
μ
s
1
)
C
T
;
R
T
(see oscillator nomogram).
2)
See diagram: Tolerance of oscillator frequency, duty cycle.
Characteristics
(cont’d)
V
Son
<
V
S
< 15 V, – 25
°
C <
T
A
< 85
°
C;
V
Son
means that
V
S
has exceeded
V
SH
, but has
not gone below
V
SL
.
Parameter
Symbol
Limit Values
min.
typ.
Unit
Test Condition
max.
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