TS3300
TYPICAL PERFORMANCE CHARACTERISTICS
V
BI
= 1.2V, V
BO
= 3V,
V
BEN
= LOW, I
BO
= 0A, L = 10µH (LPS4018-103ML), C
BO
= 22µF, C
BI
= 22µF, V
REGIN
= V
BO
= 3V, V
REGOUT
= 1.8V,
I
REGOUT
= 0A, C
REGOUT
= 10µF unless otherwise noted. Values are at T
A
= 25°C unless otherwise noted.
Boost Minimum Start-Up Voltage
vs Source Resistance
1.8
L: 22µH (LPS4018-223ML)
START-UP VOLTAGE - V
+85ºC
1
0.9
0.8
0.7
0.6
L: 10µH (LPS4018-103ML)
0.5
0
5
10
15
20
25
SOURCE RESISTANCE-
30
0.8
0
3
6
9
12
I
BO
- mA
15
18
+25ºC
-40ºC
1.6
Boost Minimum Start-Up Voltage
vs Load Current
1.2
START-UP VOLTAGE - V
1.1
1.4
1.2
1
Boost Regulator Output Voltage Ripple
V
BI
= 1.2V, V
BO
= 1.8V, C
BO
= 22µF, I
BO
= 5mA
Boost Regulator Output Voltage Ripple
V
BI
= 1.2V, V
BO
= 1.8V, C
BO
= 22µF, I
BO
= 40mA
V
BO
–
50mV/DIV
V
BO
–
50mV/DIV
20µs/DIV
Boost Regulator Output Voltage Ripple
V
BI
= 1.2V, V
BO
= 1.8V, C
BO
= 22µF, I
BO
= 80mA
50µs/DIV
Boost Regulator Output Voltage Ripple
V
BI
= 1.2V, V
BO
= 3V, C
BO
= 22µF, I
BO
= 5mA
V
BO
–
50mV/DIV
50µs/DIV
V
BO
–
50mV/DIV
50µs/DIV
Page 6
TS3300DS r1p0
RTFDS
TOUCHSTONE [ TOUCHSTONE SEMICONDUCTOR INC ]
