TLF51801ELV Datasheet, PDF (23/29 Pages) Infineon Technologies AG – 10 A synchronous DC/DC Step-Down Controller

10
Performance Graphs
TLF51801ELV
Performance Graphs
Typical Performance Characteristics
Efficiency and Power Losses
versus Load Current
100
T = 25°C; f = 300kHz
90
V_S = 12V
80
V_S = 24V
70
P_LOSS @ V_S = 24V
60
P_LOSS @ V_S = 12V
50
40
0,1
1
LOAD CURRENT (A)
Efficiency versus Load Current
Efficiency versus Load Current
6
97
T = 25°C; f = 300kHz
96
5
V_S = 12V; R_DS,on-Config
95
V_S = 12V; Shunt-Config
4
94
93
3
92
V_S = 24V; R_DS,on-Config
2
91
90
1
89
V_S = 24V; Shunt-Config
0
88
10
1
10
LOAD CURRENT (A)
V_CC versus Temperature
98
f = 300kHz; V_S = 12V
97
96
95
94
93
92
91
90
89
1
T = 25°C
T = -40°C
5,70
I_CC = 5A; V_S = 12V
5,65
5,60
T = 150°C
5,55
LOAD CURRENT (A)
5,50
10
-50 -30 -10 10 30 50 70 90 110 130 150
TEMPERATURE (°C)
Data sheet
23
Rev. 1.0.1, 2013-04-15