REG710
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SBAS221E 鈭?DECEMBER 2001 鈭?REVISED SEPTEMBER 2003
TYPICAL CHARACTERISTICS (Cont.)
At TA = +25掳C, VIN = VOUT/2 + 0.75V, IOUT = 5mA, CIN = COUT = 2.2碌F, CPUMP = 0.22碌F, VENABLE = 1.3V, unless otherwise noted.
OUTPUT RIPPLE VOLTAGE
250
225
C
OUT
= 2.2碌F
Load Current (mA)
20mV/div
200
175
150
125
100
75
50
25
0
1.5
2
SHORT鈭?/div>
CIRCUIT LOAD CURRENT vs V
IN
C
OUT
= 10碌F, C
PUMP
= 1碌F
20mV/div
REG710鈭?.3V
V
IN
= 2.4V
R
L
= 332鈩?/div>
Time (5碌s/div)
BW = 20MHz
2.5
3
3.5
V
IN
(V)
4
4.5
5
5.5
OUTPUT RIPPLE VOLTAGE vs V
IN
(REG710鈭?.7V, 3.3V)
90
80
Output Ripple (mV
PP
)
70
60
50
40
30
20
10
0
1
1.5
2
2.5
3
3.5
4
V
IN
(V)
4.5
5
5.5
6
REG710鈭?.3
C
OUT
= 10碌F
REG710鈭?.3
C
OUT
= 2.2碌F
REG710鈭?.7
C
OUT
= 10碌F
2V/div
100mA/div
REG710鈭?.7
C
OUT
= 2.2碌F
INPUT CURRENT AT TURN鈭?/div>
ON
I
IN
V
OUT
REG710鈭?.3V
V
IN
= 3.0V
I
O
= 30mA
Time (50碌s/div)
BW = 20MHz
OUTPUT RIPPLE VOLTAGE vs V
IN
(REG710鈭?.5V, 3V, 5V)
90
80
Output Ripple (mV
PP
)
70
60
50
40
30
20
10
0
1
1.5
2
2.5
3
3.5
4
V
IN
(V)
4.5
5
5.5
6
REG710鈭?.5, C
OUT
= 10碌F
REG710鈭?.5
C
OUT
= 2.2碌F
REG710鈭?
C
OUT
= 2.2碌F
REG710鈭?
REG71050
C
OUT
= 2.2碌F
REG710鈭?
REG71050
C
OUT
= 10碌F
REG710鈭?
C
OUT
= 10碌F
6
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