Datasheet

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SBOS206E − DECEMBER 2001 − REVISED FEBRUARY 2007
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3
ELECTRICAL CHARACTERISTICS (continued)
BOLDFACE limits apply over the specified temperature range, T
A
= −40°C to +125°C.
At T
CASE
= +25°C, V
S
= 15V, load connected to V
S
/2, and E/S enabled, unless otherwise noted.
OPA561
PARAMETER CONDITIONS
MIN TYP MAX
UNITS
OUTPUT
Voltage Output, Positive I
O
= 0.5A (V+) − 1 (V+) − 0.7 V
Negative I
O
= −0.5A (V−) + 1 (V−) + 0.7 V
Positive I
O
= 1A (V+) − 1.5 (V+) − 1.2 V
Negative I
O
= −1A (V−) + 1.5 (V−) + 1.2 V
Maximum Continuous Current Output, dc 1.2 A
Output Impedance Z
O
G = +2, f = 100kHz 0.05 Ω
Ouput Current Limit Range ±0.2 to ±1.2 A
Current Limit Tolerance
(2)
R
CL
= 2kΩ (I
LIM
= ±1A) ±50 mA
Asymmetry Comparing Positive and Negative Limits 10 %
Current Limit Overshoot
(3)
V = 5V Pulse (200ns t
r
), G = +2 50 %
Output Disabled
Output Resistance 10 MΩ
Output Capacitance 140 pF
OUTPUT ENABLE/STATUS AND FLAG PINS
Shutdown Input Mode
V
E/S
HIGH (output enabled)
(4)
E/S Pin Open or Forced HIGH (V−) + 2 (V−) + 5 V
V
E/S
LOW (output disabled) E/S Pin Forced LOW (V−) − 0.4 (V−) + 0.8 V
I
E/S
HIGH (output enabled) E/S Pin Indicates HIGH 20 µA
I
E/S
LOW (output disabled) E/S Pin Indicates LOW 0.1 µA
Output Disable Time 50 ns
Output Enable Time 3 µs
Thermal Shutdown Status
Normal Operation Sourcing 20µA (V−) + 2 V
Thermally Shutdown (V−) + 0.8 V
Current Limit Status
Normal Operation Sourcing 20µA (V−) + 0.8 V
Current Limit Flagged (V−) + 2 V
Junction Temperature at Shutdown +160 °C
Reset Temperature from Shutdown +140 °C
POWER SUPPLY
Specified Voltage V
S
15 V
Operating Voltage Range, (V+) − (V−) 7 16 V
Quiescent Current I
Q
I
LIM
Connected to V−, I
Q
= 0 50 60 mA
vs Temperature 60 70 mA
Quiescent Current in Shutdown
Mode
I
LIM
Connected to V− 250 µA
TEMPERATURE RANGE
Specified Junction Temperature Range −40 +125 °C
Storage Range −65 +150 °C
Thermal Resistance
HTSSOP-20 PowerPAD q
JC
1.4 °C/W
q
JA
2oz. Trace and 9in
2
Copper Pad with Solder 32 °C/W
q
JA
Without Heatsink 100 °C/W
(1)
High-speed test at T
J
= +25°C.
(2)
See text for more information on current limit accuracy.
(3)
Transient load transition time must be ≥ 200ns.
(4)
402kΩ pull-up resistor to V+ can be used to permanently enable the OPA561.