AME5242 Datasheet, PDF (5/15 Pages) Analog Microelectronics – 40V CC/CV Buck Converter

AME
AME5242
40V CC/CV Buck Converter
n Electrical Specifications
Typical values V_IN=12V with typical T_A=25^oC, unless otherwise specified.
Parameter
Input Voltage Operating Range
V_IN UVLO Rising Threshold
Voltage
V_IN UVLO Hysteresis
Standby Current
Feedback Voltage
Feedback Voltage Accuracy
Internal Soft Start Time
Hith Site Switch ON-Resistance
Max. Duty Cycle
Switching Frequency
Constant Current
Thermal Shutdown
Thermal Shutdown Hysteresis
D+ D- Short Resistance
D- Output Voltage
D+ Output Voltage
D- Output Impedance
D+ Output Impedance
Output OVP
Input OVP
Input OVP Hysteresis
Short Current Limit
Symbol
V_IN
Test Condition
Min Typ Max Units
8
40
V
V_UVLO
Input Voltage Rising
7
V
V_{UVLO_YHS}
Input Voltage Falling
1
V
I_SB
V_IN=12V, V_OUT=5V, No Load
3
mA
V_FB
0.8
V
∆V_FB
-1.5
+1.5 %
T_SS
10
mS
R_{DS(ON)_HI}
120
mΩ
D_MAX
85
%
f_OSC
V_FB=0.8V
175 200 225 KHz
AME5242-AZAADJ-10
I_CC
AME5242-AZAADJ-24
1.6
A
2.7
A
T_SD
∆T_SD
R_{D_short}
V_{D-_AM}
V_{D+_AM}
Z_{OUT_D-}
Z_{OUT_D+}
V_OV-OUT
V_OV-IN
CTL x configured for DCP
BC1.2
CTLx configured for divider
mode
1.9
2.57
24
24
V_OUT x
1.06
32
150
o_C
20
o_C
80 200 Ω
2
2.4
V
2.7 2.84 V
32
40 KΩ
32
40 KΩ
V_OUT x
1.16
V
35
40
V
2
V
2
A
Rev. A.02
5