TLE6270R Datasheet, PDF (26/35 Pages) Infineon Technologies AG – Quad Low Side Injector Driver

TLE6270R
Quad Low Side Injector Driver
Electrical Characteristics
6.5
Current Control Timings
Electrical Characteristics: Current Control Timings (Load capacitor at NCTLx = 100 pF)
V_CC = 4.5 V to 5.5 V, T_CASE = -40 °C to +125 °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.
NCTL2 Current Control Delay
6.5.1 delay from Pch14 50% × V_CC
td_NCTL2a –
–
200 ns
–
to NCTL2 50% × V_CC
6.5.2 delay from HS_diag 50% × V_CC
td_NCTL2c –
–
500 ns
–
to NCTL2 50% × V_CC
NCTL3 Current Control Delay
6.5.3 delay from HS_diag 50% × V_CC
td_NCTL3c –
–
500 ns
–
to NCTL3 50% × V_CC
6.6
Diagnostic and Protections
Electrical Characteristics: Diagnostic and Protections
V_CC = 4.5 V to 5.5 V, T_CASE = -40 °C to +125 °C, all voltages with respect to ground, positive current flowing into
pin (unless otherwise specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
6.6.1 Overcurrent threshold
I_OFF
6.6.2
6.6.3
6.6.4
Overtemperature threshold
HS diag input: filter and setup time
Overcurrent / Overtemperature
Shutdown filter and delay time
T_OFF
t_HS
t_OFF
Min. Typ. Max.
1.18 × 1.4 × I_P 1.62 × A
1)
I_P
I_P
155 –
185 °C
2)3)
50
–
250 ns
–
8
–
18
µs
1)
6.6.5 Pull-up resistor
R_PULL-UP 40
–
6.6.6 OFF state overvoltage threshold V_OL
0.6 × –
V_CC
6.6.7 OFF state overvoltage filter and t_OL
delay time
3.5
–
150 kΩ –
0.7 × V
–
V_CC
4.5
ms –
6.6.8 Peak current overtime threshold t_Pmax
–
t₁
–
µs –
6.6.9 Peak current undertime threshold t_Pmin
10
–
60
µs –
6.6.10 V_CC undervoltage
V_CCRES 3.35 –
3.95 V
–
6.6.11 Undervoltage protection
t_rpON
–
–
100 µs –
Max ON-time after a output voltage
ramp from:
0 V to 25 V at V_CC = 0 V to 5.5 V
1) Not subject to production test, specified by design.
2) Characteristics tested at wafer level only (with special testpads), not on packaged parts.
3) Characteristics tested in different conditions than the specification and guaranteed by correlation.
Data Sheet
26
V1.3, 2008-12-23