The REG710 is a switched capacitor voltage converterthat produces a regulated, low-ripple output voltage from an unregulated input voltage

REG710-27

Manufacturer Part NumberREG710-27
DescriptionThe REG710 is a switched capacitor voltage converterthat produces a regulated, low-ripple output voltage from an unregulated input voltage
ManufacturerTexas Instruments
REG710-27 datasheet
 


Specifications of REG710-27

Iout(max)(a)0.03Iq(typ)(ma)0.065
Switching Frequency(max)(khz)1000Vin(min)(v)1.8
Vin(max)(v)5.5Vout(min)(v)2.7
Vout(max)(v)2.7Preset Vout(v)2.7
Efficiency(typ)(%)90TopologyBuck-Boost
Operating Temperature Range(c)-40 to 85Pin/package6SOT-23
Regulated Outputs(#)1  
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TYPICAL CHARACTERISTICS (continued)
At T
= +25°C, V
= V
/2 + 0.75V, I
A
IN
OUT
OUT
noted.
OUTPUT RIPPLE VOLTAGE
C
= 2.2mF
OUT
20mV/div
C
= 10 F, C
= 1 F
m
m
OUT
PUMP
20mV/div
BW = 20MHz
Time (5ms/div)
Figure 13.
OUTPUT RIPPLE VOLTAGE vs V
(REG710-2.7V, 3.3V)
90
REG710-2.7
80
C
= 2.2 F
OUT
70
60
50
REG710-3.3
40
C
= 2.2 F
m
OUT
30
20
10
0
1.0
1.5
2.0
2.5
3.0
3.5
4.0
V (V)
IN
Figure 15.
90
80
70
60
50
40
30
20
10
Copyright © 2001–2009, Texas Instruments Incorporated
SBAS221G – DECEMBER 2001 – REVISED JANUARY 2009
= 5mA, C
= C
= 2.2 F, C
= 0.22 F, and V
IN
OUT
PUMP
SHORT-CIRCUIT LOAD CURRENT vs V
250
225
200
175
150
125
100
75
REG710-3.3V
50
V = 2.4V
IN
25
R
= 332W
L
0
1.5
2.0
IN
m
100mA/div
REG710-2.7
C
= 10 F
m
OUT
2V/div
REG710-3.3
BW = 20MHz
C
= 10 F
m
OUT
4.5
5.0
5.5
6.0
OUTPUT RIPPLE VOLTAGE vs V
(REG710-2.5V, 3V, 5V)
REG710-3
C
= 2.2 F
m
OUT
REG710-5
REG71050
REG710-2.5
C
OUT
C
= 2.2 F
m
OUT
REG710-5
REG71050
C
OUT
REG710-3
C
REG710-2.5, C
= 10 F
m
OUT
0
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
V (V)
IN
Figure 17.
Product Folder Link(s):
REG710
REG710
= 1.3V, unless otherwise
ENABLE
IN
2.5
3.0
3.5
4.0
4.5
5.0
V (V)
IN
Figure 14.
INPUT CURRENT AT TURN-ON
REG710-3.3V
V = 3.0V
IN
I = 30mA
O
Time (50 s/div)
m
Figure 16.
IN
= 2.2 F
m
= 10 F
m
= 10 F
m
OUT
5.5
6.0
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5.5
I
IN
V
OUT
7