Datasheet
OPA569
SBOS264A
4
www.ti.com
ENABLE/SHUTDOWN INPUT (Pin 8)
Enable Pin Bias Current V
SD
= 0V 0.2 µA
HIGH (Output enabled) V
SD
Pin Open or Forced HIGH (V–) + 2.5 V
LOW (Output disabled) V
SD
Pin Forced LOW (V–) + 0.8 V
Output Disable Time R
L
= 1Ω 0.5 µs
Output Enable Time R
L
= 1Ω 15 µs
THERMAL FLAG PIN (Pin 7)
Junction Temperature: T
J
Alarm (Thermal Flag pin LOW) Thermal Overstress +147 °C
Return to Normal Operation (Thermal Flag pin HIGH)
Normal Operation +130 °C
Thermal Flag Pin Voltage Normal Operation I
pin 7
= +25µA(V+) – 0.8V V+ V
During Thermal Overstress, I
pin 7
= –25µA
V– (V–) + 0.8 V
CURRENT LIMIT FLAG PIN (Pin 4)
Current Limit Flag Pin Voltage Normal Operation, I
pin 4
= +25µA(V+) – 0.8V V+ V
During Current Limit, I
pin 4
= –25µAV– (V–) + 0.8 V
POWER SUPPLY
Specified Voltage Range V
S
+2.7 +5.5 V
Operating Voltage Range +2.7 +5.5 V
Quiescent Current
(10)
I
Q
I
O
= 0, I
LIMIT
= 200mA, V
S
= 5V +3.4 +6 mA
I
O
= 0, I
LIMIT
= 2A, V
S
= 5V +9 +11 mA
Quiescent Current in Shutdown Mode I
O
= 0, V
SD
= 0.8V, V
S
= 5V +0.01 mA
TEMPERATURE RANGE
Specified Range Junction Temperature –40 +85 °C
Operating Range Junction Temperature –55 +125 °C
Storage Range –65 +150 °C
Thermal Resistance, Junction-to-Case
θ
JC
0.37 °C/W
Thermal Resistance, Junction-to-Ambient
θ
JA
2oz Trace and 9in
2
Copper Pad 21.5 °C/W
with Solder
ELECTRICAL CHARACTERISTICS: V
S
= +2.7V to +5.5V (Cont.)
Boldface limits apply over the specified temperature range, T
A
= –40°C to +85°C.
At T
CASE
= +25°C, R
L
= 1kΩ, and connected to V
S
/2, unless otherwise noted.
OPA569
PARAMETER CONDITION MIN TYP MAX UNITS
NOTE: (10) Quiescent current is a function of the current limit setting. See application section, “Adjustable Current Limit and Current Limit Flag Pin.”