OPA593
www.ti.com.cn
ZHCSMD4C –JANUARY 2022 –REVISED DECEMBER 2022
6.5 Electrical Characteristics (continued)
at VS = 85 V, TA = 25°C, RL = 10 kΩ to mid-supply, IOUT limit set to 100 mA, and VCM = VOUT = mid-supply (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
No load
MIN
TYP
10
MAX
25
UNIT
IOUT = 50 mA
IOUT = 100 mA
IOUT = 250 mA
50
125
750
2
mV
Voltage output
swing from rail
VO
RCL = 0 Ω connected to V–
400
1.2
V
Continuous output
current, dc
±250
See typical curves
See typical curves
mA
VS = 85 V, RCL = 2.29 kΩ, ILIMIT = 250 mA
Capacitive load
drive
CLOAD
ZO
pF
Open-loop output
impedance
Ω
Output impedance
100
56
Output disabled, V–< VOUT < V+
MΩ
Output capacitance Output disabled
CURRENT LIMIT
ILIMIT Current limit
pF
±25
17
±250
29
mA
ILIMIT = 25 mA,
VLIMIT = 3.33 V
ILIMIT = 50 mA,
VLIMIT = 2.98 V
42
94
55
107
263
45
Sourcing,
RL = 10 Ω to mid-supply
ILIMIT = 100 mA,
VLIMIT = 2.27V
ILIMIT = 250 mA,
VLIMIT = 0.14 V
237
10
Current limit
accuracy(3)
mA
ILIMIT = 25 mA,
VLIMIT = 3.33 V
ILIMIT = 50 mA,
VLIMIT = 2.98 V
35
68
Sinking,
RL = 10 Ω to mid-supply
ILIMIT = 100 mA,
VLIMIT = 2.27 V
85
115
275
ILIMIT = 250 mA,
VLIMIT = 0.14 V
235
Resistor set, RCL connected between ILIMIT pin and V–
(3.687 V × 4000) / (56.7 kΩ + RCL)
Current limit
equation
mA
Voltage set, VLIMIT connected to ILIMIT pin and
referenced to V–
4000 × (3.687 V –VLIMIT) / 56.7 kΩ
STATUS FLAG PIN (Referenced to E/D Com)
Overcurrent delay
Status flag delay
10
10
µs
°C
Overcurrent recovery delay
Alarm (status flag high)
170
150
Thermal shutdown
Return to normal operation (status flag low)
Status flag output
voltage
Normal operation
See typical curves
E/D PIN
VE/D
Enable, pin open or forced high(2)
Disable, pin forced low(2)
E/D Com + 1.5
E/D Com
E/D Com + 5.5
E/D Com + 0.5
E/D voltage(1)
V
IE/D
E/D input current
Output disable time
Output enable time
50
12
18
µA
µs
µs
E/D COM PIN
E/D Com voltage
POWER SUPPLY
V
(V–)
(V+) –6
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