REG710 Datasheet, PDF (7/22 Pages) Texas Instruments – 60MA SWITCHED CAP BUCK/BOOST CONVERTER

REG710
www.ti.com............................................................................................................................................... SBAS221F – DECEMBER 2001 – REVISED MARCH 2008
TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C, V_IN = V_OUT/2 + 0.75V, I_OUT = 5mA, C_IN = C_OUT = 2.2µF, C_PUMP = 0.22µF, and V_ENABLE = 1.3V, unless otherwise
noted.
OUTPUT RIPPLE VOLTAGE
20mV/div
C_OUT = 2.2mF
20mV/div
C_OUT = 10mF, C_PUMP = 1mF
BW = 20MHz
Time (5ms/div)
Figure 13.
REG710-3.3V
V_IN = 2.4V
R_L = 332W
SHORT-CIRCUIT LOAD CURRENT vs V_IN
250
225
200
175
150
125
100
75
50
25
0
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_IN (V)
Figure 14.
OUTPUT RIPPLE VOLTAGE vs V_IN
(REG710-2.7V, 3.3V)
90
REG710-2.7
80
C_OUT = 2.2mF
70
60
50
40
REG710-3.3
C_OUT = 2.2mF
REG710-2.7
30
C_OUT = 10mF
20
10
REG710-3.3
C_OUT = 10mF
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
V_IN (V)
Figure 15.
INPUT CURRENT AT TURN-ON
100mA/div
I_IN
2V/div
BW = 20MHz
Time (50ms/div)
Figure 16.
V_OUT
REG710-3.3V
V_IN = 3.0V
I_O = 30mA
OUTPUT RIPPLE VOLTAGE vs V_IN
(REG710-2.5V, 3V, 5V)
90
80
REG710-3
C_OUT = 2.2mF
70
60
REG710-2.5
50 _{COUT = 2.2mF}
40
30
REG710-5
REG71050
C_OUT = 2.2mF
REG710-5
REG71050
C_OUT = 10mF
20
REG710-3
10
REG710-2.5, C_OUT = 10mF
0
C_OUT = 10mF
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
V_IN (V)
Figure 17.
Copyright © 2001–2008, Texas Instruments Incorporated
Product Folder Link(s): REG710
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