FDMF5826DCCT-ND Datasheet, PDF (8/25 Pages) Fairchild Semiconductor – FDMF5826DC-Smart Power Stage (SPS) Module with Integrated Temperature Monitor

Typical Performance Characteristics
Test Conditions: V_IN=12 V, V_CC=PV_CC=5 V, V_OUT=1.8 V, L_OUT=250 nH, T_A=25°C and natural convection cooling,
unless otherwise noted.
1.01
V_IN = 12V, PV_CC & V_VCC = 5V, F_SW = 500kHz, V_OUT = 1.8V, I_OUT = 30A
1.00
0.07
0.06
V_IN = 12V, PV_CC & V_CC = 5V, V_OUT = 1.8V, I_OUT = 0A
0.05
0.99
0.04
0.98
0.03
0.02
0.97
200
250
300
350
400
450
500
Output Inductor, L_OUT [nH]
Figure 10. Power Loss vs. Output Inductor
0.036
0.034
V_IN = 12V, V_OUT = 1.8V, F_SW = 500kHz, I_OUT = 0A
0.032
0.03
0.028
0.026
0.024
0.022
0.02
4.0
4.5
5.0
5.5
6.0
Driver Supply Voltage, PV_CC & V_VCC [V]
0.01
200
300 400 500 600 700 800 900 1000 1100
Module Switching Frequency, F_SW [kHz]
Figure 11. Driver Supply Current vs. Switching
Frequency
1.06
1.04
V_IN = 12V, PV_CC & V_VCC = 5V, V_OUT = 1.8V
1.02
1.00
F_SW = 1000kHz
0.98
0.96
0.94
F_SW = 300kHz
0.92
0.90
0.88
0
5 10 15 20 25 30 35 40 45 50 55 60
Module Output Current, I_OUT [A]
Figure 12. Driver Supply Current vs. Driver Supply Figure 13. Driver Supply Current vs. Output Current
Voltage
4.0
4.0
UVLO_UP
T_A = 25°C
V_{IH_PWM}
3.9
3.5
V_{TRI_HI}
3.8
3.0
3.7
2.5
V_{HIZ_PWM}
3.6
2.0
3.5
UVLO_DN
3.4
3.3
-55
0
25
55
100
125
Driver IC Junction Temperature, T_J [^oC]
1.5
1.0
0.5
4.50
V_{TRI_LO}
4.75
5.00
5.25
Driver Supply Voltage, V_CC [V]
V_{IL_PWM}
5.50
Figure 14. UVLO Threshold vs. Temperature Figure 15. PWM Threshold vs. Driver Supply Voltage
© 2013 Fairchild Semiconductor Corporation
FDMF5826DC • Rev. 1.0.0
8
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