參數(shù)資料
型號: TDA8931
廠商: NXP Semiconductors N.V.
英文描述: Power comparator 1 X 20 W
中文描述: 功率比較1 × 20瓦
文件頁數(shù): 11/31頁
文件大?。?/td> 165K
代理商: TDA8931
9397 750 13847
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Preliminary data sheet
Rev. 01 — 14 January 2004
11 of 31
Philips Semiconductors
TDA8931
Power comparator 1
×
20 W
10. Limiting values
11. Thermal characteristics
[1]
Measured in the application board.
V
p
= 22 V; R
L
= 4
; V
ripple
= 2 V (p-p); f
ripple
= 100 Hz with feed-forward network (470 k
and
15 nF).
[2]
[3]
Strongly depending on where you measure on the case.
12. Static characteristics
Table 7:
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
V
P
operating supply voltage
Limiting values
Conditions
asymmetrical
symmetrical
Min
12
±
6
-
-
V
SS
0.3 V
DD
+ 0.3 V
-
8
-
2.5
-
150
55
+150
40
+85
Max
40
±
20
14
14
Unit
V
V
V
V
V
ENABLE
V
OVP
V
n
I
ORM
P
d(max)
T
j
T
stg
T
amb
maximum voltage on pin ENABLE
maximum voltage on pin OVP
voltage on all other pins
repetitive peak output current
maximum power dissipation
junction temperature
storage temperature
ambient temperature
A
W
°
C
°
C
°
C
Table 8:
Symbol
R
th(j-a)
R
th(j-p)
R
th(j-c)
Thermal characteristics
Parameter
thermal resistance junction to ambient
thermal resistance junction to pin
thermal resistance junction to case
Conditions
in free air
in free air
in free air
Typ
Unit
K/W
K/W
K/W
[1]
24
[2]
16
[3]
3
Table 9:
V
P
= 22 V; T
amb
= 25
°
C; f
carrier
= 290 kHz; unless otherwise specified.
Symbol
Parameter
Supply voltage
V
P
operating supply voltage
Characteristics
Conditions
Min
Typ
Max
Unit
V
P
= V
DDP
V
SSP
asymmetrical
symmetrical
with load; filter and snubbers
connected
Standby mode; SE capacitor
charged
Sleep mode
12
±
6
-
22
±
11
20
35
±
17.5
30
V
V
mA
I
q
quiescent current
I
stb
standby current
-
10
15
mA
I
sleep
sleep current
-
100
200
μ
A
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