TL594 Datasheet, PDF (10/12 Pages) Texas Instruments – PULSE-WIDTH-MODULATION CONTROL CIRCUIT

+V_in = 10V to 40V
Tip 32A
TL594
47
150
47k
50 ⁺
50V
12
V_CC
C_T R_T
56
8 11
C₁ C₂
TL594
D.T. O.C. Gnd E₁ E₂
4 13 7 9 10
0.1
Comp ³
−2
+1
V_ref ¹⁴
− ¹⁵
+ ¹⁶
0.001
47k
1.0M
5.1k
5.1k
150
1.0mH @ 2.0A
+V_O = 5.0V
I_O = 1.0A
5.1k
MR850
500 ⁺
10V
+
50
10V
0.1
Figure 22. Pulse Width Modulated Step−Down Converter
Test
Line Regulation
Load Regulation
Output Ripple
Short Circuit Current
Efficiency
Conditions
V_in = 8.0 V to 40 V
V_in = 12.6 V, I_O = 0.2 mA to 200 mA
V_in = 12.6 V, I_O = 200 mA
V_in = 12.6 V, R_L = 0.1 W
V_in = 12.6 V, I_O = 200 mA
Results
3.0 mV 0.01%
5.0 mV 0.02%
40 mVpp P.A.R.D.
250 mA
72%
ORDERING INFORMATION
Device
TL594CD
Operating Temperature Range
−40 to 85°C
Package
SOIC−16
Shipping^†
48 Units/Rail
TL594CDG
−40 to 85°C
SOIC−16
(Pb−Free)
48 Units/Rail
TL594CDR2
−40 to 85°C
SOIC−16
2400 Tape & Reel
TL594CDR2G
−40 to 85°C
SOIC−16
(Pb−Free)
2400 Tape & Reel
TL594CN
−40 to 85°C
PDIP−16
25 Units/Rail
TL594CNG
−40 to 85°C
PDIP−16
(Pb−Free)
25 Units/Rail
TL594CDTBG*
−40 to 85°C
TSSOP−16*
96 Units/Rail
TL594CDTBR2G
−40 to 85°C
TSSOP−16*
2500 Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*This package is inherently Pb−Free.
http://onsemi.com
10