TLE4263-2ES 查看數據表（PDF） - Infineon Technologies

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TLE4263-2ES

5-V Low Dropout Voltage Regulator

Infineon Technologies 

TLE4263-2ES

Electrical Characteristics

5.7

Reset Function

Electrical Characteristics Reset Function

VI = 13.5 V, -40 °C ≤ Tj ≤ 150 °C, VINH > 3.6 V; all voltages with respect to ground, positive current flowing into pin

(unless otherwise specified)

Pos. Parameter

Symbol

Limit Values

Unit Conditions

Min. Typ. Max.

Output Undervoltage Reset

5.7.1

Default Output Undervoltage Reset VQ,rt

Switching Thresholds

4.5

4.65 4.8

V

VQ decreasing

Output Undervoltage Reset Threshold Adjustment

5.7.2 Reset Adjust

Switching Threshold

5.7.3 Reset Adjustment Range1)

Reset Output RO

VRADJ,th 1.26 1.36 1.44 V

VRT,range 3.50

–

4.65 V

3.5 V ≤ VQ < 5 V

–

5.7.4 Reset Output Low Voltage

Reset Delay Timing

VRO,low

–

0.1

0.4

V

IRO = 1 mA

5.7.5

5.7.6

5.7.7

Power On Reset Delay Time

Saturation Voltage

Upper Delay

Switching Threshold

trd

VD,sat

VDU

1.3

2.8

4.1

ms CD = 100 nF

–

50

110

mV

VQ < VR,th

1.40 1.70 2.20 V

–

5.7.8 Lower Delay

Switching Threshold

VDRL

0.20 0.35 0.59 V

–

5.7.9 Delay Capacitor

Charge Current

ID,ch

40

60

88

µA –

5.7.10 Reset Reaction Time

trr

0.5

1.2

4

1) VRT is scaled linearly, in case the Reset Switching Threshold is modified

µs

CD = 100 nF

Note: The reset output is low within the range VQ = 1 V to VQ,rt

Data Sheet

13

Rev. 1.0, 2008-04-21

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