TLD5541-1QV Datasheet, PDF (34/82 Pages) Infineon Technologies AG – H-Bridge DC/DC Controller with SPI Interface

H-Bridge DC/DC Controller with SPI Interface
TLD5541-1QV
Regulator Description
Table 6 EC Regulator (cont’d)
V_IN = 8V to 36V, T_j = -40°C to +150°C, all voltages with respect to AGND; (unless otherwise specified)
Parameter
Symbol
Values
Unit Note /
Number
Min. Typ. Max.
Test Condition
Soft Start pull down current
I_{Soft_Start_P} 2.2
2.6
3.2
µA V_{Soft_Start} = 1 V;
P_6.4.20
D
Soft Start Latch-OFF Threshold V_{Soft_Start_L} 1.65 1.75 1.85 V
–
P_6.4.21
Soft Start Reset Threshold
OFF
V_{Soft_Start_} 0.1
0.2
0.3
V
–
P_6.4.22
Soft Start Voltage during
regulation
Oscillator
RESET
V_{Soft_Start_r} 1.9
2
eg
2.1
V
1)_{No Faults}
P_6.9.3
Switching Frequency
SYNC Frequency
SYNC
Turn On Threshold
f_SW
285 300 315 kHz T_j = 25 °C;
R_FREQ= 37.4 kΩ;
f_SYNC
200 –
700 kHz –
V_SYNC,ON 2
–
–
V–
P_6.4.23
P_6.4.24
P_6.4.25
SYNC
Turn Off Threshold
V_SYNC,OFF –
–
0.8 V –
P_6.4.26
SYNC
High Input Current
I_SYNC,H
15
30
45
µA V_SYNC = 2.0 V;
P_6.4.62
SYNC
Low Input Current
I_SYNC,L
6
12
18
µA V_SYNC = 0.8 V;
P_6.4.63
Gate Driver for external Switch
Gate Driver undervoltage
V_BSTx-
3.4
–
4
V
V_BSTx - V_SWNx
threshold VBSTx-VSWNx_UVth V_{SWNx_UVth}
decreasing;
P_6.4.64
HSGDx NMOS driver on-state R_{DS(ON_PU)} 1.4
2.3
3.7
Ω
V_BSTx - V_SWNx = 5 V; P_6.4.28
resistance (Gate Pull Up)
HS
I_source = 100 mA;
HSGDx NMOS driver on-state R_{DS(ON_PD)} 0.6
1.2
2.2
Ω
V_BSTx - V_SWNx = 5 V; P_6.4.29
resistance (Gate Pull Down)
HS
I_sink = 100 mA;
LSGDx NMOS driver on-state R_{DS(ON_PU)} 1.4
2.3
3.7
Ω
V_{IVCC_EXT} = 5 V;
resistance (Gate Pull Up)
LS
I_source = 100 mA;
P_6.4.30
LSGDx NMOS driver on-state R_{DS(ON_PD)} 0.4
1.2
1.8
Ω
V_{IVCC_EXT} = 5 V;
P_6.4.31
resistance (Gate Pull Down)
LS
I_sink = 100 mA;
HSGDx Gate Driver peak
I_{HSGDx_SRC} 380
–
–
mA ¹⁾
P_6.4.32
sourcing current
V_HSGDx - V_SWNx = 1 V
to 4 V;
V_BSTx - V_SWNx= 5 V
HSGDx Gate Driver peak sinking I_{HSGDx_SNK} 410 –
–
mA ¹⁾
P_6.4.33
current
V_HSGDx - V_SWNx = 4 V
to 1 V;
LSGDx Gate Driver peak
sourcing current
V_BSTx - V_SWNx= 5 V
I_{LSGDx_SRC} 370
–
–
mA ¹⁾
P_6.4.34
V_LSGDx = 1 V to 4 V;
V_{IVCC_EXT} = 5 V;
Data Sheet
34
Rev. 1.0, 2016-05-20