Datasheet
ELECTRICAL CHARACTERISTICS
REG710
SBAS221G – DECEMBER 2001 – REVISED JANUARY 2009 ...........................................................................................................................................
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Boldface limits apply over the specified temperature range, T
A
= – 40 ° C to +85 ° C.
At T
A
= +25 ° C, V
IN
= V
OUT
/2 + 0.75V, I
OUT
= 10mA, C
IN
= C
OUT
= 2.2 µ F, C
PUMP
= 0.22 µ F, and V
ENABLE
= 1.3V, unless otherwise
noted.
REG710
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT VOLTAGE
Tested Startup
REG71055 See conditions under Output Voltage with a 3.0 5.5 V
resistive load no lower than typical
REG710-5 2.7 5.5 V
V
OUT
/I
OUT
.
All other models 1.8 5.5 V
OUTPUT VOLTAGE
REG71055 I
OUT
≤ 10mA, 3.0V ≤ V
IN
≤ 5.5V 5.2 5.5 5.8 V
I
OUT
≤ 30mA, 3.25V ≤ V
IN
≤ 5.5V 5.2 5.5 5.8 V
REG710-5, REG71050 I
OUT
≤ 10mA, 2.7V ≤ V
IN
≤ 5.5V 4.7 5.0 5.3 V
I
OUT
≤ 30mA, 3.0V ≤ V
IN
≤ 5.5V 4.7 5.0 5.3 V
I
OUT
≤ 60mA, 3.3V ≤ V
IN
≤ 4.2V 4.6 5.0 5.4 V
REG710-3.3 I
OUT
≤ 10mA, 1.8V ≤ V
IN
≤ 5.5V 3.10 3.3 3.50 V
I
OUT
≤ 30mA, 2.2V ≤ V
IN
≤ 5.5V 3.10 3.3 3.50 V
REG710-3 I
OUT
≤ 10mA, 1.8V ≤ V
IN
≤ 5.5V 2.82 3.0 3.18 V
I
OUT
≤ 30mA, 2.2V ≤ V
IN
≤ 5.5V 2.82 3.0 3.18 V
REG710-2.7 I
OUT
≤ 10mA, 1.8V ≤ V
IN
≤ 5.5V 2.54 2.7 2.86 V
I
OUT
≤ 30mA, 2.0V ≤ V
IN
≤ 5.5V 2.54 2.7 2.86 V
REG710-2.5 I
OUT
≤ 10mA, 1.8V ≤ V
IN
≤ 5.5V 2.35 2.5 2.65 V
I
OUT
≤ 30mA, 2.0V ≤ V
IN
≤ 5.5V 2.35 2.5 2.65 V
OUTPUT CURRENT
Nominal 30 mA
Short-circuit
(1)
100 mA
OSCILLATOR FREQUENCY
(2)
1.0 MHz
EFFICIENCY
(3)
I
OUT
= 10mA, V
IN
= 1.8V, REG710-3.3 90 %
RIPPLE VOLTAGE
(4)
I
OUT
= 30mA 35 mV
PP
ENABLE CONTROL V
IN
= 1.8V to 5.5V
Logic high input voltage 1.3 V
IN
V
Logic low input voltage – 0.2 0.4 V
Logic high input current 100 nA
Logic low input current 100 nA
THERMAL SHUTDOWN
Shutdown temperature 160 ° C
Shutdown recovery 140 ° C
SUPPLY CURRENT
(Quiescent current) I
OUT
= 0mA 65 100 µ A
In shutdown mode V
IN
= 1.8V to 5.5V, Enable = 0V 0.01 1 µ A
TEMPERATURE RANGE
Specified ambient temperature T
A
– 40 +85 ° C
Operating ambient temperature T
A
– 55 +125 ° C
Storage ambient temperature T
A
– 65 +150 ° C
Thermal resistance θ
JA
SOT23-6 200 ° C/W
TSOT23-6 220 ° C/W
TQFN-6 75 ° C/W
(1) The supply current is twice the output short-circuit current.
(2) The converter regulates by enabling and disabling periods of switching cycles. The switching frequency is the oscillator frequency during
an active period.
(3) See efficiency curves for other V
IN
/V
OUT
configurations.
(4) Effective series resistance (ESR) of capacitors is < 0.1 Ω .
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