KD1084AXX [STMICROELECTRONICS]

5 A low drop positive voltage regulator adjustable and fixed; 5低压降正稳压器可调和固定
KD1084AXX
型号: KD1084AXX
厂家: ST    ST
描述:

5 A low drop positive voltage regulator adjustable and fixed
5低压降正稳压器可调和固定

稳压器
文件: 总22页 (文件大小:769K)
中文:  中文翻译
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KD1084xx  
KD1084Axx  
5 A low drop positive voltage regulator adjustable and fixed  
Features  
Typical dropout 1.3 V (at 5 A)  
Three terminal adjustable or fixed output  
voltage 1.8 V, 2.5 V, 3.3 V.  
Guaranteed output current up to 5 A  
DPAK  
TO-220  
Output tolerance 1ꢀ at 25 °C and 2ꢀ in full  
temperature range for the "A" version  
Output tolerance 2ꢀ at 25 °C and 3ꢀ In full  
temperature range internal power and thermal  
limit  
D2PAK  
Wide operating temp. range -40 °C to 125 °C  
2
Package available: TO-220, D PAK, DPAK  
Pinout compatibility with standard adjustable  
A 2.85 V output version is suitable for SCSI-2  
active termination. Unlike PNP regulators, where  
a part of the output current is wasted as quiescent  
current, the KD1084xx quiescent current flows  
into the load, so increase efficiency. Only a 10 µF  
minimum capacitor is need for stability.  
VREG  
Description  
The KD1084xx is a LOW DROP voltage regulator  
able to provide up to 5 A of output current.  
Dropout is guaranteed at a maximum of 1.5 V at  
the maximum output current, decreasing at lower  
loads. The KD1084xx is pin to pin compatible with  
he older 3-terminal adjustable regulators but has  
better performances in term of drop and output  
tolerance.  
2
The devices are supplied in TO-220, D PAK and  
DPAK. On chip trimming allows the regulator to  
reach a very tight output voltage tolerance, within  
1ꢀ at 25 °C for "A" version and 2ꢀ at 25 °C for  
standard version.  
Table 1.  
Device summary  
Order codes  
Part numbers  
TO-220  
D2PAK  
DPAK  
Output voltage Tolerance  
KD1084AXX18  
KD1084AD2T18R  
KD1084D2T25R  
1.8 V  
2.5 V  
2.5 V  
3.3 V  
3.3 V  
ADJ  
1ꢀ  
2ꢀ  
1ꢀ  
2ꢀ  
1ꢀ  
2ꢀ  
1ꢀ  
KD1084XX25  
KD1084AXX25  
KD1084XX33  
KD1084AXX33  
KD1084XX  
KD1084DT25R  
KD1084ADT25R  
KD1084DT33R  
KD1084ADT33R  
KD1084DT-R  
KD1084V33  
KD1084AV33  
KD1084AXX  
KD1084ADT-R  
ADJ  
December 2007  
Rev 7  
1/22  
www.st.com  
22  
Contents  
KD1084Axx  
Contents  
1
2
3
4
5
6
7
8
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5  
Schematic application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
Typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13  
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15  
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21  
2/22  
KD1084Axx  
Diagram  
1
Diagram  
Figure 1. Schematic diagram  
3/22  
Pin configuration  
KD1084Axx  
2
Pin configuration  
Figure 2.  
Pin connections (top view)  
TO-220  
DPAK  
D2PAK  
4/22  
KD1084Axx  
Maximum ratings  
3
Maximum ratings  
Table 2.  
Absolute maximum ratings  
Symbol  
Parameter  
Value  
Unit  
VI  
IO  
DC input voltage  
12  
V
Output current  
Internally limited  
Internally limited  
-55 to +150  
PD  
Power dissipation  
TSTG  
TOP  
Storage temperature range  
Operating junction temperature range  
°C  
°C  
-40 to +125  
Note:  
Absolute maximum ratings are those values beyond which damage to the device may occur.  
Functional operation under these condition is not implied.  
Table 3.  
Symbol  
Thermal data  
Parameter  
TO-220  
DPAK  
D2PAK  
Unit  
RthJC  
RthJA  
Thermal resistance junction-case  
Thermal resistance junction-ambient  
3
8
3
°C/W  
°C/W  
50  
100  
62.5  
5/22  
Schematic application  
KD1084Axx  
4
Schematic application  
Figure 3.  
Application circuit  
R2  
VO = VREF  
1 + ------  
R1  
6/22  
KD1084Axx  
Electrical characteristics  
5
Electrical characteristics  
Table 4.  
Symbol  
Electrical characteristics of KD1084A#18 (V = 4.8 V, C = C = 10 µF (tant.),  
I
I
O
T = -40 to 125 °C, unless otherwise specified)  
A
Parameter  
Test conditions  
O = 0 mA, TJ = 25°C  
IO = 0 to 5A, VI = 3.4 to 10V  
O = 0 mA, VI = 3.4 to 10V TJ = 25°C  
IO = 0 mA, VI = 3.4 to 10V  
Min.  
Typ.  
Max.  
Unit  
I
1.782  
1.764  
1.8  
1.8  
0.5  
1
1.818  
1.836  
6
V
V
VO  
Output voltage  
Line regulation  
Load regulation  
I
mV  
mV  
mV  
V
ΔVO  
ΔVO  
6
I
O = 0 to 5A, TJ = 25°C  
O = 0 to 5A  
3
15  
I
7
20  
Vd  
Iq  
Dropout voltage  
IO = 5 A  
1.3  
5
1.5  
10  
V
Quiescent current  
Short circuit current  
Thermal regulation  
VI 10V  
mA  
A
Isc  
VI - VO = 5V  
TA = 25°C, 30ms pulse  
5.5  
60  
7
0.003 0.015  
75  
ꢀ/W  
f = 120 Hz, CO = 25µF, IO = 5A  
VI = 5.3 ± ± 1.5V  
SVR Supply voltage rejection  
dB  
RMS Output noise voltage  
(ꢀ of VO)  
eN  
TA = 25°C, f = 10Hz to 10kHz  
TA = 125°C, 1000Hrs  
0.003  
S
S
Temperature stability  
Long term stability  
0.5  
0.5  
7/22  
Electrical characteristics  
KD1084Axx  
Table 5.  
Electrical characteristics of KD1084A#25 (V = 5.5 V, C = C = 10 µF (tant.),  
I
I
O
T = -40 to 125 °C, unless otherwise specified)  
A
Symbol  
Parameter  
Test conditions  
O = 0 mA, TJ = 25°C  
IO = 0 to 5A, VI = 4.1 to 10V  
O = 0 mA, VI = 4.1 to 10V TJ = 25°C  
IO = 0 mA, VI = 4.1 to 10V  
Min.  
Typ.  
Max.  
Unit  
I
2.475  
2.45  
2.5  
2.5  
0.5  
1
2.525  
2.55  
6
V
V
VO  
Output voltage  
Line regulation  
Load regulation  
I
mV  
mV  
mV  
V
ΔVO  
ΔVO  
6
I
O = 0 to 5A, TJ = 25°C  
O = 0 to 5A  
3
15  
I
7
20  
Vd  
Iq  
Dropout voltage  
IO = 5 A  
1.3  
5
1.5  
10  
V
Quiescent current  
Short circuit current  
Thermal regulation  
VI 10V  
mA  
A
Isc  
VI - VO = 5V  
TA = 25°C, 30ms pulse  
5.5  
60  
7
0.003 0.015  
72  
ꢀ/W  
f = 120 Hz, CO = 25µF, IO = 5A  
VI = 6 ± ± 1.5V  
SVR Supply voltage rejection  
dB  
RMS Output noise voltage  
(ꢀ of VO)  
eN  
TA = 25°C, f = 10Hz to 10kHz  
TA = 125°C, 1000Hrs  
0.003  
S
S
Temperature stability  
Long term stability  
0.5  
0.5  
8/22  
KD1084Axx  
Electrical characteristics  
Table 6.  
Symbol  
Electrical characteristics of KD1084A#33 (V = 6.3 V, C = C = 10 µF (tant.),  
I I O  
T = -40 to 125 °C, unless otherwise specified)  
A
Parameter  
Test conditions  
O = 0 mA, TJ = 25°C  
IO = 0 to 5A, VI = 4.9 to 10V  
O = 0 mA, VI = 4.9 to 10V TJ = 25°C  
IO = 0 mA, VI = 4.9 to 10V  
Min.  
Typ.  
Max.  
Unit  
I
3.267  
3.234  
3.3  
3.35  
0.5  
1
3.333  
3.366  
6
V
V
VO  
Output voltage  
Line regulation  
Load regulation  
I
mV  
mV  
mV  
V
ΔVO  
ΔVO  
6
I
O = 0 to 5A, TJ = 25°C  
O = 0 to 5A  
3
15  
I
7
20  
Vd  
Iq  
Dropout voltage  
IO = 5 A  
1.3  
5
1.5  
10  
V
Quiescent current  
Short circuit current  
Thermal regulation  
VI 10V  
mA  
A
Isc  
VI - VO = 5V  
TA = 25°C, 30ms pulse  
5.5  
60  
7
0.003 0.015  
72  
ꢀ/W  
f = 120 Hz, CO = 25µF, IO = 5A  
VI = 6.8 ± ± 1.5V  
SVR Supply voltage rejection  
dB  
RMS Output noise voltage  
(ꢀ of VO)  
eN  
TA = 25°C, f = 10Hz to 10kHz  
TA = 125°C, 1000Hrs  
0.003  
S
S
Temperature stability  
Long term stability  
0.5  
0.5  
9/22  
Electrical characteristics  
KD1084Axx  
Table 7.  
Electrical characteristics of KD1084A (V = 4.25 V, C = C = 10 µF (tant.),  
I I O  
T = -40 to 125°C, unless otherwise specified)  
A
Symbol  
Parameter  
Test conditions  
O = 10 mA, TJ = 25°C  
IO = 10 mA to 5A, VI = 2.85 to 10V  
O = 10 mA, VI = 2.85 to 10V TJ = 25°C  
IO = 10 mA, VI = 2.85 to 10V  
Min.  
Typ.  
Max.  
Unit  
I
1.237  
1.225  
1.25  
1.25  
0.015  
0.035  
0.1  
1.263  
1.275  
0.2  
V
V
VO  
Output voltage  
I
mV  
mV  
mV  
V
ΔVO  
Line regulation  
0.2  
I
O = 10 mA to 5A, TJ = 25°C  
O = 10 mA to 5A  
0.3  
ΔVO  
Load regulation  
Dropout voltage  
I
0.2  
0.4  
Vd  
IO = 5 A  
1.3  
1.5  
V
IO(min) Quiescent current  
VI 10V  
3
10  
mA  
A
Isc  
Short circuit current  
Thermal regulation  
VI - VO = 5V  
TA = 25°C, 30ms pulse  
5.5  
60  
7
0.003 0.015  
72  
ꢀ/W  
f = 120 Hz, CO = 25µF, CADJ = 25µF,  
IO = 5A, VI = 4.75 ± ± 1.5V  
SVR Supply voltage rejection  
IADJ Adjust pin current  
dB  
VI = 4.25V, IO = 10 mA  
55  
120  
5
µA  
µA  
ΔIADJ Adjust pin current change VI = 2.85 to 10V, IO = 10 mA to 5A  
0.2  
RMS Output noise voltage  
(ꢀ of VO)  
eN  
TA = 25°C, f = 10Hz to 10kHz  
TA = 125°C, 1000Hrs  
0.003  
S
S
Temperature stability  
Long term stability  
0.5  
0.5  
10/22  
KD1084Axx  
Electrical characteristics  
Table 8.  
Symbol  
Electrical characteristics of KD1084#25 (V = 5.5 V, C = C = 10 µF (tant.),  
I I O  
T = -40 to 125°C, unless otherwise specified)  
A
Parameter  
Test conditions  
O = 0 mA, TJ = 25°C  
IO = 0 to 5A, VI = 4.1 to 10V  
O = 0 mA, VI = 4.1 to 10V TJ = 25°C  
IO = 0 mA, VI = 4.1 to 10V  
Min.  
Typ.  
Max.  
Unit  
I
2.45  
2.5  
2.5  
0.5  
1
2.55  
2.575  
6
V
V
VO  
Output voltage  
2.425  
I
mV  
mV  
mV  
V
ΔVO  
ΔVO  
Line regulation  
6
I
O = 0 to 5A, TJ = 25°C  
O = 0 to 5A  
3
15  
Load regulation  
I
7
20  
Vd  
Iq  
Dropout voltage  
IO = 5 A  
1.3  
5
1.5  
10  
V
Quiescent current  
Short circuit current  
Thermal regulation  
VI 10V  
mA  
A
Isc  
VI - VO = 5V  
TA = 25°C, 30ms pulse  
5.5  
60  
7
0.003 0.015  
72  
ꢀ/W  
f = 120 Hz, CO = 25µF, IO = 5A  
VI = 6 ± ± 1.5V  
SVR Supply voltage rejection  
dB  
RMS Output noise voltage  
(ꢀ of VO)  
eN  
TA = 25°C, f = 10Hz to 10kHz  
TA = 125°C, 1000Hrs  
0.003  
S
S
Temperature stability  
Long term stability  
0.5  
0.5  
Table 9.  
Electrical characteristics of KD1084#33 (V = 5.85 V, C = C = 10 µF (tant.),  
I
I
O
T = -40 to 125°C, unless otherwise specified)  
A
Symbol  
Parameter  
Output voltage  
Test conditions  
O = 0 mA, TJ = 25°C  
Min.  
Typ.  
Max.  
Unit  
I
I
I
3.234  
3.2  
3.3  
3.3  
0.5  
1
3.366  
3.4  
6
V
V
VO  
O = 0 to 5A, VI = 4.9 to 10V  
O = 0 mA, VI = 4.9 to 10V TJ = 25°C  
mV  
mV  
mV  
V
ΔVO  
ΔVO  
Line regulation  
Load regulation  
IO = 0 mA, VI = 4.9 to 10V  
O = 0 to 5A, TJ = 25°C  
6
I
3
15  
20  
1.5  
10  
IO = 0 to 5A  
IO = 5 A  
7
Vd  
Iq  
Dropout voltage  
1.3  
5
V
Quiescent current  
Short circuit current  
Thermal regulation  
VI 10V  
mA  
A
Isc  
VI - VO = 5V  
TA = 25°C, 30ms pulse  
5.5  
60  
7
0.003 0.015  
72  
ꢀ/W  
f = 120 Hz, CO = 25µF, IO = 5A  
VI = 6.8 ± ± 1.5V  
SVR Supply voltage rejection  
dB  
RMS Output noise voltage  
(ꢀ of VO)  
eN  
TA = 25°C, f = 10Hz to 10kHz  
TA = 125°C, 1000Hrs  
0.003  
S
S
Temperature stability  
Long term stability  
0.5  
0.5  
11/22  
Electrical characteristics  
KD1084Axx  
Table 10. Electrical characteristics of KD1084 (V = 4.25 V, C = C = 10 µF (tant.),  
I
I
O
T = -40 to 125 °C, unless otherwise specified)  
A
Symbol  
Parameter  
Output voltage  
Test conditions  
O = 10 mA, TJ = 25°C  
IO = 10 mA to 5A, VI = 2.85 to 10V  
O = 10 mA, VI = 2.85 to 10V TJ = 25°C  
IO = 10 mA, VI = 2.85 to 10V  
Min.  
Typ.  
Max.  
Unit  
I
1.225  
1.213  
1.25  
1.25  
0.015  
0.035  
1
1.275  
1.287  
0.2  
V
V
VO  
I
mV  
mV  
mV  
V
ΔVO  
Line regulation  
0.2  
I
O = 10 mA to 5A, TJ = 25°C  
O = 10 mA to 5A  
0.3  
ΔVO  
Load regulation  
Dropout voltage  
I
0.2  
1.3  
3
0.4  
Vd  
IO = 5 A  
1.5  
V
IO(min) Quiescent current  
VI 10V  
10  
mA  
A
Isc  
Short circuit current  
Thermal regulation  
VI - VO = 5V  
TA = 25°C, 30ms pulse  
5.5  
60  
7
0.003 0.015  
72  
ꢀ/W  
f = 120 Hz, CO = 25µF, CADJ = 25µF,  
IO = 5A, VI = 4.75 ± ± 1.5V  
SVR Supply voltage rejection  
IADJ Adjust pin current  
dB  
VI = 4.25V, IO = 10 mA  
55  
120  
5
µA  
µA  
ΔIADJ Adjust pin current change VI = 2.85 to 10V, IO = 10 mA to 5A  
0.2  
RMS Output noise voltage  
(ꢀ of VO)  
eN  
TA = 25°C, f = 10Hz to 10kHz  
TA = 125°C, 1000Hrs  
0.003  
S
S
Temperature stability  
Long term stability  
0.5  
0.5  
12/22  
KD1084Axx  
Typical application  
6
Typical application  
Unless otherwise specified T = 25 °C, C = C = 10 µF (tant.)  
J
I
O
Figure 4.  
Dropout voltage vs output current Figure 5.  
Dropout voltage vs temperature  
Figure 6.  
Short circuit current vs dropout  
voltage  
Figure 7.  
Line regulation vs temperature  
Figure 8.  
Output voltage vs temperature  
Figure 9.  
Load regulation vs temperature  
13/22  
Typical application  
KD1084Axx  
Figure 10. Supply voltage rejection vs  
frequency  
Figure 11. Adjust pin current vs output  
current  
Figure 12. Line transient  
Figure 13. Load transient  
VI=4 to 6V, IO=200mA,CI = 1µF(tant), CO=10µF(tant),  
ts=tf=5µs  
VI=7 V, IO=0.1 to 5 A, CI = 1µF(tant), CO=10µF(tant)  
ts=tf=3.5µs  
14/22  
KD1084Axx  
Package mechanical data  
7
Package mechanical data  
®
In order to meet environmental requirements, ST offers these devices in ECOPACK  
packages. These packages have a lead-free second level interconnect. The category of  
second Level Interconnect is marked on the package and on the inner box label, in  
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering  
conditions are also marked on the inner box label. ECOPACK is an ST trademark.  
ECOPACK specifications are available at: www.st.com.  
15/22  
Package mechanical data  
KD1084Axx  
TO-220 mechanical data  
mm.  
inch.  
Typ.  
Dim.  
Min.  
Typ.  
Max.  
4.60  
1.32  
2.72  
Min.  
0.173  
0.048  
0.094  
Max.  
0.181  
0.051  
0.107  
A
C
4.40  
1.23  
2.40  
D
D1  
E
1.27  
0.050  
0.49  
0.61  
1.14  
1.14  
4.95  
2.4  
0.70  
0.88  
1.70  
1.70  
5.15  
2.7  
0.019  
0.024  
0.044  
0.044  
0.194  
0.094  
0.393  
0.027  
0.034  
0.067  
0.067  
0.203  
0.106  
0.409  
F
F1  
F2  
G
G1  
H2  
L2  
L4  
L5  
L6  
L7  
L9  
DIA.  
10.0  
10.40  
16.4  
0.645  
13.0  
2.65  
15.25  
6.2  
14.0  
2.95  
15.75  
6.6  
0.511  
0.104  
0.600  
0.244  
0.137  
0.147  
0.551  
0.116  
0.620  
0.260  
0.154  
0.151  
3.5  
3.93  
3.85  
3.75  
P011C  
16/22  
KD1084Axx  
Package mechanical data  
DPAK mechanical data  
mm.  
inch.  
Dim.  
Min.  
Typ.  
Max.  
Min.  
Typ.  
Max.  
A
A1  
A2  
B
2.2  
0.9  
2.4  
1.1  
0.23  
0.9  
5.4  
0.6  
0.6  
6.2  
0.086  
0.035  
0.001  
0.025  
0.204  
0.017  
0.019  
0.236  
0.094  
0.043  
0.009  
0.035  
0.212  
0.023  
0.023  
0.244  
0.03  
0.64  
5.2  
b4  
C
0.45  
0.48  
6
C2  
D
D1  
E
5.1  
0.200  
6.4  
6.6  
0.252  
0.260  
E1  
e
4.7  
0.185  
0.090  
2.28  
e1  
H
4.4  
9.35  
1
4.6  
0.173  
0.368  
0.039  
0.181  
0.397  
10.1  
L
(L1)  
L2  
L4  
R
2.8  
0.8  
0.110  
0.031  
0.6  
0°  
1
0.023  
0.039  
8°  
0.2  
0.008  
V2  
8°  
0°  
0068772-F  
17/22  
Package mechanical data  
KD1084Axx  
D2PAK mechanical data  
mm.  
inch.  
Typ.  
Dim.  
Min.  
Typ.  
Max.  
Min.  
Max.  
A
A1  
A2  
B
4.4  
4.6  
2.69  
0.23  
0.93  
1.7  
0.173  
0.098  
0.001  
0.027  
0.044  
0.017  
0.048  
0.352  
0.181  
0.106  
0.009  
0.036  
0.067  
0.023  
0.053  
0.368  
2.49  
0.03  
0.7  
B2  
C
1.14  
0.45  
1.23  
8.95  
0.6  
C2  
D
1.36  
9.35  
D1  
E
8
0.315  
0.335  
10  
10.4  
0.393  
0.409  
E1  
G
8.5  
4.88  
15  
5.28  
15.85  
1.4  
0.192  
0.590  
0.050  
0.055  
0.094  
0.208  
0.624  
0.055  
0.068  
0.126  
L
L2  
L3  
M
1.27  
1.4  
1.75  
3.2  
2.4  
R
0.4  
0.016  
V2  
0°  
8°  
0°  
8°  
P011P6G  
18/22  
KD1084Axx  
Package mechanical data  
Tape & reel DPAK-PPAK mechanical data  
mm.  
Typ.  
inch.  
Typ.  
Dim.  
Min.  
Max.  
330  
Min.  
Max.  
12.992  
0.519  
A
C
12.8  
20.2  
60  
13.0  
13.2  
0.504  
0.795  
2.362  
0.512  
D
N
T
22.4  
7.00  
10.60  
2.75  
4.1  
0.882  
0.2.76  
0.417  
0.105  
0.161  
0.319  
Ao  
Bo  
Ko  
Po  
P
6.80  
10.40  
2.55  
3.9  
6.90  
10.50  
2.65  
4.0  
0.268  
0.409  
0.100  
0.153  
0.311  
0.272  
0.413  
0.104  
0.157  
0.315  
7.9  
8.0  
8.1  
19/22  
Package mechanical data  
KD1084Axx  
Tape & reel D2PAK-P2PAK-D2PAK/A-P2PAK/A mechanical data  
mm.  
Typ.  
inch.  
Typ.  
Dim.  
Min.  
Max.  
180  
Min.  
Max.  
7.086  
0.519  
A
C
D
12.8  
20.2  
60  
13.0  
13.2  
0.504  
0.795  
2.362  
0.512  
N
T
14.4  
10.70  
15.90  
5.00  
4.1  
0.567  
0.421  
0.626  
0.197  
0.161  
0.476  
Ao  
Bo  
Ko  
Po  
P
10.50  
15.70  
4.80  
3.9  
10.6  
15.80  
4.90  
4.0  
0.413  
0.618  
0.189  
0.153  
0.468  
0.417  
0.622  
0.193  
0.157  
0.472  
11.9  
12.0  
12.1  
20/22  
KD1084Axx  
Revision history  
8
Revision history  
Table 11. Document revision history  
Date  
Revision  
Changes  
06-Sep-2005  
02-Apr-2007  
30-May-2007  
18-Dec-2007  
4
5
6
7
Order codes updated.  
Order codes updated.  
Order codes updated.  
Added Table 1.  
21/22  
KD1084Axx  
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22/22  

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