MPQ2143 WCA
k 10
3
μ 10
6
i 02 η 0.85 degC 1 n 10
9
θJA 100
degC
W
V_INPUT 5 V L1 1 μ H 0.8 1 1.2
Cout 22 μ F 120% 11 20%
IL1_Min 4.4 1 20%
A
Vout 1.375V VD 0 Vsw 0 RL_min 32 1 10%
10
3
Ω
VIN V_INPUT 15%
V_INPUT V_INPUT 15%
Iout_max 2.5 A
Vin_max VIN
02
Vin_max 5.25 V D
Vout
Vin_max η
0.308
Fosc 1200 k Hz 125% 11 25%
TJ_max 150 degC
Vout_max Vout 1.05 Vout_min Vout 0.95
Fosc_min Fosc
02
ΔIL Vin Vout
Vin_max Vout
Vout
L1
00
Fosc_min Vin
Fosc_max Fosc
00
ΔILmax ΔIL Vin_max Vout_max
ΔILmax 0.872 A
IL_AVG Iout_max IL_AVG 2.5 A
IL_max
ΔILmax
2
IL_AVG IL_max 2.936 A
r
ΔILmax
IL_AVG
ΔVout
Vout_max
8Fosc_min
2
L1
00
Cout
00
1
Vout_min
Vin_max
r 0.349
ΔVout 4.279 10
3
V P_L1 Iout_max
2
RL_min P_L1 0.18 W
Tmax 85 degC Vout_max IL_AVG 1 η
P_L1
θJA Tmax 121.141
if IL_max IL1_Min "L1 is OK" "FAIL"
"L1 is OK"
if Tmax TJ_max "Thermal is OK" "Thermal FAIL"
"Thermal is OK"
if r 2 "Design is OK" "FAIL"
"Design is OK"
Cout_min
IL_max
8 Fosc_min ΔVout
Cout_min 5.718 10
5
F
MPQ2143