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TLE7368 数据表(PDF) 13 Page - Infineon Technologies AG

部件名 TLE7368
功能描述  Next Generation Micro Controller Supply
PDF  39 Pages
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制造商  INFINEON [Infineon Technologies AG]
网页  http://www.infineon.com
标志 INFINEON - Infineon Technologies AG

TLE7368 数据表(HTML) 13 Page - Infineon Technologies AG

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Data Sheet
13
Rev. 1.1, 2007-11-08
TLE7368
General Product Characteristics
4.4
Electrical Characteristics
Electrical Characteristics
V
IN = VIN_STBY = 13.5 V, Tj = -40 °C to +150 °C,
V
CCP = 9.0 V; SEL_STBY = Q_STBY; all voltages with respect to ground.
Pos.
Parameter
Symbol
Limit Values
Unit
Conditions
Min.
Typ.
Max.
Buck Regulator
4.4.1
Switching frequency
f
280
370
425
kHz
–
4.4.2
Current transition
rise/fall time
t
r, I
–50
–
ns
1); slope magnitude 1 A; fixed
internally
4.4.3
Power stage on
resistance
R
ON, Buck
––
280
m
Ω
–
4.4.4
Power stage peak
current limit
I
peak, SW
2.5
–
4.6
A
V
IN = 5.0 V;
V
SW ramped down from 5.0 V
to 3.7 V;
V
FB/L_IN = 5.0 V
4.4.5
Buck converter output
voltage
V
FB/L_IN
5.4
–
6.0
V
I
Buck = 2.0 A
2)
4.4.6
Buck converter output
voltage
V
FB/L_IN
5.4
–
6.4
V
I
Buck = 100 mA
2)
4.4.7
Buck converter, turn on
threshold
V
IN, on
––
4.5
V
V
IN increasing
4.4.8
Buck converter, turn off
threshold
V
IN, off
3.5
–
–
V
V
IN decreasing
4.4.9
Buck converter On/off
hysteresis
V
IN, hyst
450
500
550
mV
V
IN, hyst = VIN, on - VIN, off
4.4.10
Bootstrap undervoltage
lockout, turn on
threshold
V
BST_UV, on
––
V
SW +
5.0
V
Bootstrap voltage increasing
4.4.11
Bootstrap undervoltage
lockout, turn off
threshold
V
BST_UV, off
V
SW +
3.2
–
–
V
Bootstrap voltage decreasing
4.4.12
Bootstrap undervoltage
lockout, hysteresis
V
BST_UV, hyst
0.2
–
1
V
V
BST_UV, hyst =
V
BST_UV, on - VBST_UV, off
Charge Pump
4.4.13
Charge pump voltage
V
CCP
9–
15
V
C
C1 = 100 nF;
C
C2 = 100 nF;
C
CCP = 220 nF
4.4.14
Charge pump voltage
V
CCP
9–
13.5
V
V
IN = 4.5 V;
C
C1 = 100 nF;
C
C2 = 100 nF;
C
CCP = 220 nF
4.4.15
Charge pump switching
frequency
f
CCP
1.0
–
2.5
MHz –



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