SPX5940AT-3.3 Sipexoration, SPX5940AT-3.3 Datasheet - Page 3

• Manufacturer Part Number: SPX5940AT-3.3
• Description: 1A Low Drop Out Voltage Regulator
• Manufacturer: Sipexoration

(Continued)
Output Leakage Current
Output Low Voltage
Upper Threshold Voltage
Lower Threshold Voltage
Hysteresis
Input logic Voltage
Shut down Pin Input Current
Regulator Output Current in
Shutdown
Note 1: Output or reference voltage temperature coefficients defined as the worst case voltage change divided by the total temperature range.
Note 2: Unless otherwise specified all limits are guaranteed for T
feedback tied to 5V tap and output tied to output sense (V
Note 3: Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output voltage due to heating effects are
covered under the specification for thermal regulation.
Note 4: Line regulation for the SPX3940/41/42 is tested at 150°C for I
typical performance characteristics for line regulation versus temperature and load current.
Note 5: Dropout voltage is defined as the input to output differential at which the output voltage drops 100 mV below its nominal value measured at 1V differential at
very low values of programmed output voltage, the minimum input supply voltage of 2V ( 2.3V over temperature) must be taken into account.
Note 6: V
Note 7: Comparator thresholds are expressed in terms of a voltage differential at the feedback terminal below the nominal reference voltage measured at 6V input. To
express these thresholds in terms of output voltage change, multiply by the error amplifier gain = V
voltage of 5V, the Error output is guaranteed to go low when the output drops by 95 mV x 5V/1.235 = 384 mV. Thresholds remain constant as a percent of V
V
Note 8: V
Note 9: The junction -to-ambient thermal resistance of the TO-92 package is 180°C/ W with 0.4” leads and 160°C/ W with 0.25” leads to a PC board.
The thermal resistance of the 8-Pin DIP package is 105°C/W junction-to-ambient when soldered directly to a PC board. Junction-to-ambient thermal resistance for the
SOIC (S) package is 160°C/W.
OUT
is varied, with the dropout warning occurring at typically 5% below nominal, 7.5% guaranteed.
PARAMETER
REF
SHUTDOWN
≤V
OUT
≥ 2V, V
≤ (Vin - 1V), 2.3 ≤Vin≤30V, 100µA≤I
IN
≤ 30V, V
V
V
I
(Note 8)
(Note 8)
(Note 8)
Low (Regulator ON)
High (Regulator OFF)
V
V
0L
0H
IN
S
S
= 400µA
= 2.4V
= 30V
OUT
= 4.5V
= 30V
CONDITIONS
=0, Feedback pin tied to 5V Tap.
(Note 2)
OUT
L
≤ 250 mA, T
= 5V) and V
j
= 25°C, V
L
= 1 mA. For I
J
SHUTDOWN
≤ T
IN
JMAX
= 6V, I
.
Typ.
0.01
150
450
1.3
60
75
15
30
≤ 0.8V.
3
L
L
= 100µA and T
= 100µA and C
OUT
/V
J
L
= 125°C, line regulation is guaranteed by design to 0.2%. See
REF
= 1µF. Additional conditions for the 8-pin versions are
Min
= (R1 + R2)/R2. For example, at a programmed output
2.0
40
25
SPX3940/42
SPX3940/41/42
1000
Max
1.00
2.00
250
400
140
150
800
0.7
95
90
15
25
Rev. 12/19/00
UNITS
mV
mV
mV
mV
µA
µA
µA
V
OUT
as