TL598 Datasheet, PDF (8/10 Pages) Texas Instruments – PULSE-WIDTH-MODULATION CONTROL CIRCUITS

TL598
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS053C – FEBRUARY 1988 – REVISED JULY 1999
PARAMETER MEASUREMENT INFORMATION
15 V
Test
Inputs
0.001 µF
12 kΩ
1
IN+
2
IN–
12
VCC
ERROR ERROR
AMP 1 AMP 2
IN+ ¹⁶
IN– ¹⁵
3 _FEEDBACK
4
DTC
5 _CT
6 _RT
7
SIGNAL GND
14
REF
13
OUTPUT CTRL
11
VC
8
OUT1
9
OUT2
10
POWER GND
MAIN DEVICE TEST CIRCUIT
50 kΩ
15 V
OUTPUT 1
OUTPUT 2
Output
VC
POWER GND
OUTPUT CONFIGURATION
–
VI
+
REF
–
+
FEEDBACK
Figure 1. Test Circuits
ERROR AMPLIFIER TEST CIRCUIT
VC
Output
CL = 1500 pF
POWER GND
90%
10%
tr
90%
10%
0V
tf
OUTPUT CONFIGURATION
OUTPUT VOLTAGE WAVEFORM
Figure 2. Switching Output Configuration and Voltage Waveform
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