EA4533BYH Datasheet, PDF (4/17 Pages) Active-Semi, Inc – Wide-Input Sensorless CC/CV Step-Down DC/DC Converter

ELECTRICAL CHARACTERISTICS
(V_IN = 12V, T_A = 25°C, unless otherwise specified.)
PARAMETER
Input Voltage
TEST CONDITIONS
Input Voltage Surge
V_IN UVLO Turn-On Voltage
V_IN UVLO Hysteresis
Standby Supply Current
Feedback Voltage
Internal Soft-Start Time
Error Amplifier Transconductance
Error Amplifier DC Gain
Switching Frequency
Foldback Switching Frequency
Maximum Duty Cycle
Minimum On-Time
COMP to Current Limit Transconductance
Secondary Cycle-by-Cycle Current Limit
Slope Compensation
ISET Voltage
Input Voltage Rising
Input Voltage Falling
V_FB = 1V
V_FB = V_COMP = 0.808V,
∆I_COMP = ± 10µA
V_FB = 0.808V
V_FB = 0V
V_COMP = 1.2V
Duty = 0.5
Duty = D_MAX
ISET to IOUT DC Room Temp Current Gain IOUT / ISET, R_ISET = 7.87kΩ
CC Controller DC Accuracy
R_ISET = 7.87kΩ, V_OUT = 4.0V
OVP Pin Voltage (ACT4533A)
OVP Pin Voltage Rising
OVP Pin Voltage (ACT4533A)
OVP Pin Voltage Falling
OVP Pin Voltage (ACT4533B)
OVP Pin Voltage Rising
OVP Pin Voltage (ACT4533B)
OVP Pin Voltage Falling
EN Pin Voltage (ACT4533B)
EN Pin Voltage Rising
EN Pin Voltage (ACT4533B)
EN Pin Voltage Falling
High-Side Switch ON-Resistance
Thermal Shutdown Temperature
Temperature Rising
Thermal Shutdown Temperature Hysteresis Temperature Falling
ACT4533A/B
Rev 0, 14-Aug-13
MIN
10
9.0
792
TYP
9.4
1.1
0.9
808
400
MAX
38
40
9.7
1.4
824
UNIT
V
V
V
V
mA
mV
µs
650
µA/V
4000
V/V
125
kHz
18
kHz
86
%
290
ns
5.1
A/V
6.8
A
3.2
A
1.0
V
20000
A/A
2650
mA
0.8
V
0.57
V
2.26
V
1.76
V
0.65
V
0.59
V
85
mΩ
155
°C
25
°C
Innovative Power^TM
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