OPA547F500 BURR-BROWN [Burr-Brown Corporation], OPA547F500 Datasheet - Page 13

• Manufacturer Part Number: OPA547F500
• Description: High-Voltage, High-Current OPERATIONAL AMPLIFIER
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

FIGURE 14. Digitally-Controlled Programmable Power Supply.
FIGURE 15. Swap Amplifier.
OPA547
SBOS056A
NOTES: (1) For V
digital interface: DAC7800 - 12-bit interface, DAC7801 - 8-bit interface + 4 bits, DAC7802 - serial interface.
(4) Can use OPA2237, I
V
E/S
+10V
V
DGND
REF
V
V
REF A
REF B
1/2 DAC7800/1/2
1/2 DAC7800/1/2
DAC A
DAC B
O
V
V
V
V
= 0V, V– = –1V. (2) Optional, improves noise immunity. (3) Chose DAC780X based on
IN1
IN2
E/S
E/S
O
> (V–) +2.4V: Amp 1 is on, Amp 2 if off
< (V–) +2.4V: Amp 2 is on, Amp 1 if off
+5V
= 100mA to 750mA.
V
V
O
O
= –V
= –V
R
(3)
(3)
R
3
1
IN1
IN2
CURRENT LIMIT ADJUST
( )
( )
R
R
R
R
OUTPUT ADJUST
2
1
4
3
I
I
R
R
AGND A
AGND B
OUT A
OUT B
AMP1
AMP2
FB A
FB B
R
R
10pF
10pF
E/S
E/S
2
4
OPA2336
OPA2336
1/2
1/2
+5V
V
O
www.ti.com
0.01µF
FIGURE 16. Multiple Current Limit Values.
(2)
1k
I
LIM
R
OPA547
C1
OPA547
+30V
V–
I
LIM
V–
9k
E/S
R
C2
74HCT04
Shutdown Status
Close for high current
(Could be open drain
output of a logic gate).
G = 10
Thermal
R
V
I
O
O
250
= 0.8 to 25V
= 0 to 750mA
(1)
(LED)
13