TEA1039 データシートの表示（PDF） - Philips Electronics
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TEA1039 Datasheet PDF : 16 Pages
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Philips Semiconductors
Control circuit for switched-mode power supply
Product specification
TEA1039
Oscillator connections RX and CX (pins 4 and 5)
Voltage at RX connection
at −I4 = 0,15 to 1 mA
variation with temperature
Lower sawtooth level
Threshold voltage for output H to L
transition in F mode
Threshold voltage for maximum
frequency in F mode
Higher sawtooth level
Internal capacitor charging current,
CX connection
Oscillator frequency (output pulse
repetition frequency)
Minimum frequency in F mode,
initial deviation
variation with temperature
Maximum frequency in F mode,
initial deviation
variation with temperature
Output LOW time in F mode,
initial deviation
variation with temperature
Pulse repetition frequency in D mode,
initial deviation
variation with temperature
Minimum output LOW time in D mode
at C5 = 3,6 nF
variation with temperature
Output Q (pin 8)
Output voltage LOW at I8 = 100 mA
variation with temperature
Output voltage LOW at I8 = 1 A
variation with temperature
SYMBOL
MIN.
TYP.
MAX. UNIT
V4-7
6,2
∆V4-7/∆T
−
VLS
−
VFT
−
VFM
−
VHS
−
−ICX
−
fo
1
∆f/f
−10
-∆-∆--f--T-⁄---f
−
∆f/f
−20
-∆-∆--f--T-⁄---f
−
∆t/t
−25
-∆-∆--t--T-⁄---t
−
∆f/f
−10
-∆-∆--f--T-⁄---f
−
tOLmin
−
-∆-∆--t--T-⁄---t
−
V8-7
−
∆V8-7/∆T
−
V8-7
−
∆V8-7/∆T
−
7,2
8,1
2,1
−
1,3
−
2
−
2,2
−
5,9
−
0,25IRX −
−
105
−
10
0,034
−
−
+ 20
−0,16
−
−
+25
0,2
−
−
10
0,034
−
1
−
0,2
−
V
mV/K
V
V
V
V
mA
Hz
%
%/K
%
%/K
%
%/K
%
%/K
µs
%/K
0,8
1,2
1,5
−
1,7
2,1
−1,4
−
V
mV/K
V
mV/K
August 1982
8
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