TLE6711_07 Datasheet, PDF (16/25 Pages) Infineon Technologies AG – Multifunctional Voltage Regulator and Watchdog

TLE 6711
Circuit Description
Electrical Characteristics: Boost-Converter; BOI, BOFB and V_BOOST
V_CC = 4.75 V to 5.25 V; V_Boost = 8 V to 35 V, T_j = -40 °C to +150 °C, R_R = 47 kΩ; all voltages with respect to ground,
positive current flowing into pin (unless otherwise specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min. Typ. Max.
4.5.12 Boost voltage;
see application circuit
4.5.13 Boost Voltage;
see application circuit
4.5.14 Efficiency; see. appl. circuit
4.5.15 Power-Stage ON resistance
4.5.16
4.5.17
4.5.18
Power-Stage ON resistance
Boost overcurrent threshold
Feedback threshold voltage
4.5.19 Feedback input current
V_BOOST 24.0 27.5 31.0 V
V_BOOST 23
–
32
V
η
–
80
R_BOON
–
0.6
R_BOON
–
–
I_BOOC
1.0
1.3
V_BOFBTH 2.55 2.7
I_FB
-2
-0.4
–
%
0.75 Ω
1.4
Ω
1.8
A
2.85 V
0
µA
5 mA < I_BOOST <
100 mA; T_j = 25 °C;
8 V < V_Batt < 16 V
5 mA < I_BOOST <
100 mA;
8 V < V_Batt < 16 V
I_BOOST = 100 mA
T_j = 25 °C;
I_BOI = 1 A
I_BOI = 1 A
–
V_BOI = 12 V;
I_BOOST = 25 mA
2 V < V_BOFB < 4 V
Electrical Characteristics: Buck-Converter; BUO, BDS, BUC and V_CC
V_CC = 4.75 V to 5.25 V; V_Boost = 8 V to 35 V, T_j = -40 °C to +150 °C, R_R = 47 kΩ; all voltages with respect to ground,
positive current flowing into pin (unless otherwise specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min. Typ. Max.
4.5.20 Logic supply voltage
V_CC
4.9 –
5.1
V
1 mA < I_CC <
250 mA; see. appl.
circuit
4.5.21 Efficiency; see. appl. circuit
4.5.22 Power-Stage ON resistance
4.5.23
4.5.24
4.5.25
4.5.26
Power-Stage ON resistance
Buck overcurrent threshold
Input current on pin V_CC
Buck Gate supply voltage;
V_BGS = V_BDS - V_BOOST
η
–
R_BUON
–
R_BUON
–
I_BUOC
0.7
I_CC
–
V_BGS
5
85
–
0.38 0.5
–
1.0
0.95 1.2
0.2
0.5
–
10
%
I_CC = 250 mA;
V_Boost = 25 V
Ω
T_j = 25 °C;
I_BUO = 1 A
Ω
I_BUO = 1 A
A
–
mA V_CC = 5 V
V
–
Data Sheet
16
Rev. 3.4, 2007-08-16