Datasheet

3
LTC1516
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
Output Voltage vs Input Voltage
Efficiency vs Input Voltage
No Load Supply Current vs
Input Voltage
Output Current vs Input Voltage
INPUT VOLTAGE (V)
50
60
70
80
90
EFFICIENCY (%)
5.0
1516 • G01
2.0 2.5 3.0 4.0 4.53.5
I
OUT
= 10mA
INPUT VOLTAGE (V)
0
40
20
100
120
80
60
MAXIMUM OUTPUT CURRENT (mA)
5
1516 • G02
234
C1 = C2
= 0.22µF
C1 = C2
= 0.047µF
C1 = C2
= 0.022µF
C1 = C2
= 0.1µF
C1 = C2 = 0.01µF
C
OUT
= 10µF
T
A
= 25°C

INPUT VOLTAGE (V)
5
10
15
20
SUPPLY CURRENT (µA)
5
1516 • G03
234
INPUT VOLTAGE (V)
I
OUT
= 20mA
4.90
4.95
5.05
5.00
5.10
OUTPUT VOLTAGE (V)
65
1516 • G04
2134
OUTPUT CURRENT (mA)
4.90
5.10
5.05
5.00
4.95
OUTPUT VOLTAGE (V)
1516 • G05
0.01 0.1 1 10 100
V
IN
= 3V
Output Voltage vs Output Current
I
OUT
,
0mA TO 25mA,
10mA/DIV
V
OUT
,
AC COUPLED,
100mV/DIV
1516 • G04
Load Transient Response, V
IN
= 3V
PIN FUNCTIONS
UUU
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.