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TLD5095EL Datasheet, PDF (10/31 Pages) Infineon Technologies AG – DC/DC Boost, Buck-Boost, SEPIC controller
TLD5095EL
Boost Regulator
5.2
Electrical Characteristics
1)
VIN = 6V to 40V; 4.5V ≤ VFBH ≤ 40V, 4.5V ≤ VFBL ≤ 40V, Tj = -40 °C to +150 °C, all voltages with respect to ground,
positive current flowing into pin; (unless otherwise specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min. Typ. Max.
Boost Regulator:
5.2.1 Feedback Reference Voltage
VREF
5.2.2 Voltage Line Regulation
∆VREF
/∆VIN
0.28
–
5.2.3 Voltage Load Regulation
∆VREF
–
/∆IBO
5.2.4 Switch Peak Over Current
Threshold
VSWCS
130
5.2.5
5.2.6
5.2.7
Maximum Duty Cycle
Maximum Duty Cycle
Soft Start Ramp
DMAX,fixed
DMAX,sync
tSS
90
88
350
5.2.8
5.2.9
5.2.10
5.2.11
Feedback Input Current
Switch Current Sense Input
Current
Input Undervoltage Shutdown
Input Voltage Startup
IFBx
ISWCS
VIN,off
VIN,on
-10
10
3.75
–
Gate Driver for Boost Switch
5.2.12 Gate Driver Peak Sourcing
Current1)
5.2.13 Gate Driver Peak Sinking
Current1)
5.2.14 Gate Driver Output Rise Time
ISWO,SRC –
ISWO,SNK –
tR,SWO
–
5.2.15 Gate Driver Output Fall Time tF,SWO
–
5.2.16 Gate Driver Output Voltage1) VSWO
4.5
0.30
–
–
150
93
–
1000
-50
50
0.32
0.15
5
170
95
–
1500
-100
100
V
VIN = 19 V;
VREF= VFBH -VFBL
%/V VIN = 6 to 19 V;
VBO= 30 V;
IBO = 500 mA
Figure 21
%/A VIN = 6 V;
VBO = 30V;
IBO = 100 to 500 mA
Figure 21
mV VIN = 6 V
VFBH = VFBL = 5 V
VCOMP = 3.5V
% Fixed frequency mode
% Synchronization mode
µs VFB rising from 5% to
95% of VFB, typ.
µA VFBH - VFBL = 0.3 V
µA VSWCS = 150 mV
–
–
V
VIN decreasing
–
4.75 V
VIN increasing
380 –
550 –
30
60
20
40
–
5.5
mA VSWO = 3.5V
mA VSWO = 1.5V
ns CL,SWO = 3.3nF;
VSWO = 1V to 4V
ns CL,SWO = 3.3nF;
VSWO = 1V to 4V
V
CL,SWO = 3.3nF;
1) Not subject to production test, specified by design
Datasheet
10
Rev. 1.1, 2009-12-16