TLE4675 Datasheet, PDF (20/25 Pages) Infineon Technologies AG – Low Drop Out Linear Voltage Regulator 5V Fixed Output Voltage

TLE4675
Reset Function
7.2
Electrical Characteristics Reset Function
Electrical Characteristics: Reset Function
V_I = 13.5 V, T_j = -40 °C to +150 °C,
all voltages with respect to ground, direction of currents as shown in Figure 7 (unless otherwise specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min. Typ. Max.
Output Undervoltage Reset Comparator Default Values
7.2.1
Output Undervoltage
Reset Lower Switching
Threshold
V_RT,lo
4.6 4.7 4.8 V
V_I = 0 V
V_Q decreasing
7.2.2
Output Undervoltage
Reset Upper Switching
Threshold
V_RT,hi
4.7 4.8 4.9 V
V_I within operating range
V_Q increasing
7.2.3
Output Undervoltage
Reset Switching
Hysteresis
V_RT,hy
50 100 –
mV V_I within operating range
7.2.4 Output Undervoltage
V_RH
Reset Headroom
Reset Output RO
250 300 –
mV Calculated Value:
V_Q - V_RT,lo
V_I within operating range
I_Q = 50 mA
7.2.5 Reset Output Low Voltage V_RO,low
7.2.6
Reset Output
Sink Current Capability
I_RO,max
7.2.7
7.2.8
Reset Output
External Pull-up Resistor
to V_Q
Reset Output
Leakage Current
R_RO
I_RO,leak
–
0.2 0.8 V
V_I = 0V
1 V ≤ V_Q < V_RT,low;
I_RO = 0.3 mA
0.3 –
–
mA V_I = 0V;
1 V ≤ V_Q < V_RT,low;
V_RO = 5V
3.0 –
–
kΩ 1 V ≤ V_Q < V_RT;
V_RO ≤ 0.4V ¹⁾
–
5
10
µA V_RO = 5 V
Reset Delay Timing
7.2.9
7.2.10
Delay Pin Output Voltage
Upper Delay
Switching Threshold
V_D
V_DST,hi
–
–
5
–
1.1 –
V
–
V
–
7.2.11 Lower Delay
Switching Threshold
V_DST,lo
–
0.3 –
V
–
7.2.12 Delay Capacitor
Charge Current
I_D,ch
–
3.5 –
µA V_D = 1 V
7.2.13 Delay Capacitor
I_DR,dsch
Reset Discharge Current
–
70
–
mA V_D = 1 V
7.2.14 Undervoltage Reset Delay t_d,100nF
Time
16
23
30
ms Calculated value;
C_D = 100 nF²⁾
C_D discharged to V_DST,lo
Data Sheet
20
Rev. 1.0, 2008-09-30