TDA4863 Datasheet, PDF (15/27 Pages) Infineon Technologies AG – Boost Controller

TDA4863
Electrical Characteristics
3.2
Characteristics (cont’d)
Unless otherwise stated, -40°C < T_j < 150°C, V_CC = 14.5 V
Parameter
Symbol Limit Values Unit
min. typ. max.
Overvoltage Regulator
Threshold Current
I_OVR
35 40 45 µA
Current Comparator
Input Bias Current
Input Offset Voltage
(T_j = 25 °C)
Max Threshold Voltage
Threshold at OVR
Leading Edge Blanking
Shut Down Delay
Detector
Upper Threshold Voltage
Lower Threshold Voltage
Hysteresis
Input Current
Input Clamp Voltage
High State
Low State
Multiplier
Input bias current
Dynamic voltage range
MULTIN
Dynamic voltage range
VAOUT
Multiplier Gain
I_BISENSE -1
-0.2 1
µA
V_ISENSEO
25
mV
V_ISENSEM 0.95 1.0 1.05 V
V_ISENOVR
0.05
t_LEB
100 200 300 ns
t_dISG
80 130
V_DETINU
V_DETINL
V_DETINHY
I_BDETIN
0.95
0.25
-1
1.5
1.1
0.4
-0.2
V_DETINHC 4.5 4.9
V_DETINLC 0.1 0.4
1.6 V
0.55
1
µA
V
5.4
0.7
I_BMULTIN -1
-0.2 1
µA
V_MULTIN
0 to 4
V
V_VAOUT
K_low
K_high
V_FB to
V_FB +
1.5
0.3
0.7
K = deltaV_ISENSE /deltaV_VAOUT at V_MULTIN = constant
Test Condition
T_j = 25°C ,
V_VAOUT = 3.5 V
V_ISENSE = 0 V
V_VAOUT = 2.7 V
V_MULTIN = 0 V
I_OVR = 50 µA
V_DETIN = 2 V
I_DETIN = 5 mA
I_DETIN = -5 mA
V_MULTIN = 0 V
V_VAOUT = 2.75 V
V_MULTIN = 1 V
V_VAOUT < 3 V,
V_MULTIN = 1 V
V_VAOUT > 3.5V,
V_MULTIN = 1 V
Data Sheet
15
V1.0, 2003-05