Datasheet

OPA548
16
SBOS070B
www.ti.com
I
LIM
V–
V+
R
1
1kΩ
R
2
4kΩ
OPA548
OPA548
V
O
I
O
= 10A (peak)
(2)
G = 1 + = 5
(1)
V
IN
800Ω
800Ω
0.25Ω
4kΩ
1kΩ
0.25Ω
NOTES: (1) Works well for G < 10. Input offset causes output current to flow between amplifiers
with G > 10. Gains (resistor ratios) of the two amplifiers should be carefully matched to ensure
equal current sharing. (2) As configured (I
LIM
connected to V–) output current limit is set to 10A
(peak). Each amplifier is limited to 5A (peak). Other current limit values may be obtained, see
Figure 3, “Adjustable Current Limit”.
I
LIM
V–
V+
R
3
1kΩ
R
4
4kΩ
FIGURE 21. Parallel Output for Increased Output Current.