LTC1516
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs Input Voltage
90
I
OUT
= 10mA
MAXIMUM OUTPUT CURRENT (mA)
EFFICIENCY (%)
80
60
40
20
0
C1 = C2
= 0.1µF
C1 = C2
= 0.047µF
C1 = C2
= 0.022µF
C1 = C2 = 0.01µF
SUPPLY CURRENT (µA)
80
70
60
50
2.0
2.5
3.0
3.5
4.0
INPUT VOLTAGE (V)
4.5
5.0
Output Voltage vs Input Voltage
5.10
I
OUT
= 20mA
5.05
5.05
5.10
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
5.00
4.95
4.90
1
2
3
4
INPUT VOLTAGE (V)
5
6
1516 • G04
PIN FUNCTIONS
C1
+
(Pin 1):
Flying Capacitor 1, Positive Terminal.
V
IN
(Pin 2):
Input Supply Voltage.
V
OUT
(Pin 3):
5V Output Voltage (V
OUT
= 0V in Shutdown).
C2
+
(Pin 4):
Flying Capacitor 2, Positive Terminal.
C2
–
(Pin 5):
Flying Capacitor 2, Negative Terminal.
GND (Pin 6):
Ground.
SHDN (Pin 7):
Active High CMOS Logic-Level Shutdown
Input.
C1
–
(Pin 8):
Flying Capacitor 1, Negative Terminal.
U W
1516 • G01
Output Current vs Input Voltage
120
C
OUT
= 10µF
T
A
= 25°C
100
C1 = C2
= 0.22µF
No Load Supply Current vs
Input Voltage
20
15
10
5
5
2
3
4
INPUT VOLTAGE (V)
2
3
4
INPUT VOLTAGE (V)
5
1516 • G03
1516 • G02
Output Voltage vs Output Current
V
IN
= 3V
Load Transient Response, V
IN
= 3V
I
OUT
,
0mA TO 25mA,
10mA/DIV
5.00
V
OUT
,
AC COUPLED,
100mV/DIV
4.95
1516 • G04
4.90
0.01
0.1
1
10
OUTPUT CURRENT (mA)
100
1516 • G05
U
U
U
3
LINER [ LINEAR TECHNOLOGY ]
