ACT4515
Rev 6, 14-Nov-12
TYPICAL PERFORMANCE CHARACTERISTICS CONT’D
(Circuit of Figure 7, I
ISET
= 0.9A, L = 82µH, C
IN
= 10µF, C
OUT
= 22µF, T
A
= 25°C, unless otherwise specified.)
Shutdown Current vs. Input Voltage (EN pulled low)
140
120
100
80
60
40
20
0
0
5
10
15
20
25
30
35
40
2000
Standby Supply Current vs. Input Voltage
ACT4515-011
Standby Supply Current (µA)
ACT4515-010
1800
1600
1400
1200
1000
800
600
400
200
0
0
5
10
15
20
25
30
35
40
Shutdown Current (µA)
Input Voltage (V)
Input Voltage (V)
Reverse Leakage Current (V
IN
Floating)
100
ACT4515-012
Start up into CV Load
ACT4515-013
V
0UT
= 5V
CV = 3.2V
I
ISET
= 0.9A
V
IN
= 12V
Reverse Leakage Current (µA)
80
60
CH1
40
20
CH2
0
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
V
OUT
(V)
CH1: I
OUT
, 500mA/div
CH2: V
OUT
, 2V/div
TIME: 200µs/div
Start up into CV Load
ACT4515-014
V
0UT
= 5V
CV = 3.2V
I
ISET
= 0.9A
V
IN
= 24V
SW vs. Output Voltage Ripples
ACT4515-015
V
IN
= 12V
V
0UT
= 5V
I
0UT
= 0.9A
CH1
CH1
CH2
CH2
CH1: I
OUT
, 500mA/div
CH2: V
OUT
, 2V/div
TIME: 200µs/div
CH1: SW, 10V/div
CH2: V
OUT_RIPPLE
, 50mV/div
TIME: 2µs/div
Innovative Power
TM
- 13 -
www.active-semi.com
Copyright © 2012 Active-Semi, Inc.
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
