EA4533BYH Datasheet, PDF (14/17 Pages) Active-Semi, Inc – Wide-Input Sensorless CC/CV Step-Down DC/DC Converter

ACT4533A/B
Rev 0, 14-Aug-13
TYPICAL PERFORMANCE CHARACTERISTICS CONT’D
(Schematic as show in Figure 9, Ta = 25°C, unless otherwise specified)
Standby Current vs. Input Voltage
(FB=1V)
1160
1120
1080
1040
1000
960
8
12 16 20 24 28 32 36 40
Input Voltage (V)
Feedback Voltage vs. Input Voltage
0.818
0.815
0.812
0.809
0.806
0.803
0.800
8
12 16 20 24 28 32 36 40
Input Voltage (V)
Reverse Leakage Current (V_IN Floating)
160
120
80
40
0
0
1
2
3
4
5
V_OUT (V)
Start up into CC mode
VOUT = 5V
RLORD = 1.5Ω
IISET = 2.65A
VIN = 12V
CH1
CH2
CH1: VOUT, 2V/div
CH2: IOUT, 1A/div
TIME: 400µs/div
Start up into CC mode
VOUT = 5V
RLORD = 1.5Ω
IISET = 2.65A
VIN = 24V
CH1
CH2
CH1: VOUT, 2V/div
CH2: IOUT, 1A/div
TIME: 400µs/div
Innovative Power^TM
SW vs. Output Voltage Ripples
VIN = 12V
VOUT = 5V
IOUT = 2.4A
CH1
- 14 -
CH2
CH1: VOUT Ripple, 20mV/div
CH2: SW, 10V/div
TIME: 4µs/div
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