Datasheet

FUNCTIONAL BLOCK DIAGRAMS
Servo
Error
Amp
Ref
OUT
R
1
R
2
EN
IN
Bandgap
27 kW
8 kW
R
1
+ R
2
= 80 kW
Current
Limit
Thermal
Protection
4-MHz
Charge Pump
NR
GND
V
O
1.2 V
1.5 V
1.8 V
2.5 V
2.8 V
3 V
3.3 V
R
1
Short
23.2 kΩ
28 kΩ
39.2 kΩ
44.2 kΩ
46.4 kΩ
52.3 kΩ
R
2
Open
95.3 kΩ
56.2 kΩ
36.5 kΩ
33.2 kΩ
30.9 kΩ
30.1 kΩ
Standard 1% Resistor
Values for Common
Output Voltages
NOTE: V
OUT
= (R
1
+ R
2
)/R
2
× 1.204;
R
1
R
2
≅ 19 kΩ for best
accuracy
Servo
Error
Amp
Ref
OUT
FB
R
1
R
2
EN
IN
Bandgap
27 kW
8 kW
Current
Limit
Thermal
Protection
4-MHz
Charge Pump
GND
80 kW
TPS73601-EP , TPS73615-EP , TPS73618-EP
TPS73625-EP , TPS73630-EP , TPS73632-EP , TPS73633-EP
SGLS326C – APRIL 2006 – REVISED FEBRUARY 2009 .................................................................................................................................................. www.ti.com
Figure 2. Fixed-Voltage Version
Figure 3. Adjustable-Voltage Version
6 Submit Documentation Feedback Copyright © 2006 – 2009, Texas Instruments Incorporated
Product Folder Link(s): TPS73601-EP TPS73615-EP TPS73618-EP TPS73625-EP TPS73630-EP TPS73632-EP
TPS73633-EP