TL594
1.0mH @ 2.0A
+V = 10V to 40V
in
+V = 5.0V
O
Tip 32A
I
O
= 1.0A
47
150
47k
12
0.1
3
8
11
1.0M
V
C
C
2
CC
1
Comp
2
−
+
5.1k
5.1k
1
+
50
50V
14
15
16
TL594
V
ref
+
500
10V
−
+
MR850
5.1k
150
C
R
D.T. O.C. Gnd
13
E
E
2
T
T
1
+
50
10V
5
6
4
7
9
10
0.001
47k
0.1
Figure 22. Pulse Width Modulated Step−Down Converter
Test
Conditions
= 8.0 V to 40 V
Results
Line Regulation
Load Regulation
Output Ripple
V
in
V
in
V
in
V
in
V
in
3.0 mV
5.0 mV
0.01%
= 12.6 V, I = 0.2 mA to 200 mA
0.02%
O
= 12.6 V, I = 200 mA
40 mVpp
P.A.R.D.
O
Short Circuit Current
Efficiency
= 12.6 V, R = 0.1 W
250 mA
72%
L
= 12.6 V, I = 200 mA
O
ORDERING INFORMATION
†
Device
Operating Temperature Range
Package
Shipping
TL594CD
−40 to 85°C
SOIC−16
48 Units/Rail
48 Units/Rail
TL594CDG
SOIC−16
(Pb−Free)
−40 to 85°C
−40 to 85°C
−40 to 85°C
−40 to 85°C
−40 to 85°C
TL594CDR2
SOIC−16
2400 Tape & Reel
2400 Tape & Reel
25 Units/Rail
TL594CDR2G
SOIC−16
(Pb−Free)
TL594CN
PDIP−16
TL594CNG
PDIP−16
(Pb−Free)
25 Units/Rail
TL594CDTBG*
−40 to 85°C
−40 to 85°C
TSSOP−16*
TSSOP−16*
96 Units/Rail
TL594CDTBR2G
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.
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10
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