TLD5098EL Datasheet, PDF (11/39 Pages) Infineon Technologies AG – DC/DC Boost, Buck-Boost, SEPIC controller

TLD5098EL
Boost Regulator
5.2
Electrical Characteristics
1)
Table 1
EC Boost Regulator
V_IN = 8V to 34V; T_j = -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.
Regulator:
5.2.1 Feedback Reference Voltage V_REF
0.29 0.30 0.31 V
refer to Figure 25
V_REF= V_FBH -V_FBL
V_SET= 5V
I_LED= 350 mA
5.2.2 Feedback Reference Voltage
5.2.3 Feedback Reference Voltage
Offset
5.2.4 Voltage Line Regulation
5.2.5 Voltage Load Regulation
5.2.6
5.2.7
5.2.8
5.2.9
Switch Peak Over Current
Threshold
Maximum Duty Cycle
Maximum Duty Cycle
Soft Start Ramp
5.2.10
5.2.11
5.2.12
5.2.13
5.2.14
IFBH
Feedback High Input Current
IFBL
Feedback Low Input Current
Switch Current Sense Input
Current
Input Undervoltage Shutdown
Input Voltage Startup
V_REF
0.057 0.06
V_{REF_offset} –
–
(ΔV_REF / –
V_REF) /
ΔV_IN
(ΔV_REF / –
V_REF) /
ΔI_BO
V_SWCS
130
D_MAX,fixed
D_MAX,sync
t_SS
91
88
350
I_FBH
38
I_FBL
15
I_SWCS
10
V_IN,off
3.5
V_IN,on
–
–
–
150
93
–
1000
46
21
50
–
–
0.063 V
refer to Figure 25
V_REF= V_FBH -V_FBL
V_SET= 0.4V
I_LED= 70mA
5
0.15
5
170
95
–
1500
54
mV refer to Figure 17
and Figure 25
V_REF= V_FBH -V_FBL
V_SET= 0.1V
V_OUT>V_IN
%/V refer to Figure 25
V_IN = 8V to 19V;
V_SET = 5V;
I_LED = 350mA
%/V refer to Figure 25
V_SET = 5V;
I_LED = 100 to 500mA
mV V_FBH = V_FBL = 5V
V_COMP = 3.5V
% Fixed frequency mode
% Synchronization mode
µs V_FB rising from 5% to
95% of V_FB, typ.
µA V_FBH - V_FBL = 0.3V
27
µA V_FBH - V_FBL = 0.3V
100
µA V_SWCS = 150mV
4.5
V
4.85 V
V_IN decreasing
V_IN increasing
1) Not subject to production test, specified by design
Datasheet
11
Rev. 1.0, 2010-10-13