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SIC638CD-T1-GE3

P1-P3P4-P6P7-P9P10-P12P13-P14
SiC638
www.vishay.com
Vishay Siliconix
S18-0299-Rev. A, 19-Mar-18
7
Document Number: 76582
For technical questions, contact: powerictechsupport@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
PWM TIMING DIAGRAM
Fig. 4 - Definition of PWM Logic and Tri-state
DSBL# PROPAGATION DELAY
Fig. 5 - DSBL# Falling Propagation Delay
DEVICE TRUTH TABLE
DSBL# ZCD_EN# PWM GH GL
Open X X L L
LXXLL
HLLL
H, I
L
> 0 A
L, I
L
< 0 A
HLHHL
HLmidLL
HHL LH
HHHHL
HHmidL L
VTH_PWM_R
VTH_PWM_F
VTH_TRI_R
VTH_TRI_F
PWM
GH
GL
t
PD_OFF_GL
t
TSHO
t
PD_ON_GH
t
PD_OFF_GH
t
PD_ON_GL
t
TSHO
t
PD_TRI_R
t
PD_TRI_R
PWM
DSBL#
GH
GL
DSBL#Low to GH Falling Propagation Delay
t
DSBL# Low to GL Falling Propagation Delay
PWM
DSBL#
GH
GL
t
Disable
SiC638
www.vishay.com
Vishay Siliconix
S18-0299-Rev. A, 19-Mar-18
8
Document Number: 76582
For technical questions, contact: powerictechsupport@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
ELECTRICAL CHARACTERISTICS
Test condition: V
IN
= 13 V, DSBL# = V
DRV
= V
CIN
= 5 V, ZCD_EN# = 5 V, V
OUT
= 1 V, L
OUT
= 250 nH (DCR = 0.32 m), T
A
= 25 °C,
natural convection cooling (All power loss and normalized power loss curves show SiC638 and SiC638A losses only unless otherwise stated)
Fig. 6 - Efficiency vs. Output Current (V
IN
= 12.6 V)
Fig. 7 - Power Loss vs. Switching Frequency (V
IN
= 12.6 V)
Fig. 8 - Efficiency vs. Output Current (V
IN
= 9 V)
Fig. 9 - Safe Operating Area
Fig. 10 - Power Loss vs. Output Current (V
IN
= 12.6 V)
Fig. 11 - Efficiency vs. Output Current (V
IN
= 19 V)
62
66
70
74
78
82
86
90
94
0 5 10 15 20 25 30 35 40 45 50
Efciency (%)
Output Current, I
OUT
(A)
Complete converter efciency
P
IN
= [(V
IN
x I
IN
) + 5 V x (I
VDRV
+ I
VCIN
)]
P
OUT
= V
OUT
x I
OUT
, measured at output capacitor
1 MHz
750 kHz
500 kHz
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
200 300 400 500 600 700 800 900 1000 1100
Power Loss, P
L
(W)
Switching Frequency, fs (KHz)
I
OUT
= 25A
62
66
70
74
78
82
86
90
94
98
0 5 10 15 20 25 30 35 40 45 50
Efciency (%)
Output Current, I
OUT
(A)
Complete converter efciency
P
IN
= [(V
IN
x I
IN
) + 5 V x (I
VDRV
+ I
VCIN
)]
P
OUT
= V
OUT
x I
OUT
, measured at output capacitor
1 MHz
750 kHz
500 kHz
15
20
25
30
35
40
45
50
55
0 153045607590105120135150
Output Current, I
OUT
(A)
PCB Temperature, T
PCB
(°C)
1 MHz
500 kHz
62
66
70
74
78
82
86
90
94
0 5 10 15 20 25 30 35 40 45 50
Efciency (%)
Output Current, I
OUT
(A)
Complete converter efciency
P
IN
= [(V
IN
x I
IN
) + 5 V x (I
VDRV
+ I
VCIN
)]
P
OUT
= V
OUT
x I
OUT
, measured at output capacitor
1 MHz
500 kHz
750 kHz
SiC638
www.vishay.com
Vishay Siliconix
S18-0299-Rev. A, 19-Mar-18
9
Document Number: 76582
For technical questions, contact: powerictechsupport@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
ELECTRICAL CHARACTERISTICS
Test condition: V
IN
= 13 V, DSBL# = V
DRV
= V
CIN
= 5 V, ZCD_EN# = 5 V, V
OUT
= 1 V, L
OUT
= 250 nH (DCR = 0.32 m), T
A
= 25 °C,
natural convection cooling (All power loss and normalized power loss curves show SiC638 and SiC638A losses only unless otherwise stated)
Fig. 12 - UVLO Threshold vs. Temperature
Fig. 13 - PWM Threshold vs. Temperature (SiC638A)
Fig. 14 - PWM Threshold vs. Temperature (SiC638)
Fig. 15 - Boot Diode Forward Voltage vs. Temperature
Fig. 16 - PWM Threshold vs. Driver Supply Voltage (SiC638A)
Fig. 17 - PWM Threshold vs. Driver Supply Voltage (SiC638)
2.6
2.8
3.0
3.2
3.4
3.6
3.8
4.0
-60 -40 -20 0 20 40 60 80 100 120 140
Control Logic Supply Voltage, V
CIN
(V)
Temperature (°C)
V
UVLO_FALLING
V
UVLO_RISING
4.2
0.40
0.75
1.10
1.45
1.80
2.15
2.50
2.85
3.20
-60 -40 -20 0 20 40 60 80 100 120 140
Control Logic Supply Voltage, V
PWM
(V)
Temperature (°C)
V
TRI_TH_R
V
TRI_TH_F
V
TRI
V
TH_PWM_R
V
TH_PWM_F
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
-60 -40 -20 0 20 40 60 80 100 120 140
Control Logic Supply Voltage, V
PWM
(V)
Temperature (°C)
V
TRI_TH_R
V
TRI_TH_F
V
TRI
V
TH_PWM_R
V
TH_PWM_F
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
-60 -40 -20 0 20 40 60 80 100 120 140
BOOT Diode Forward Voltage, V
F
(V)
Temperature (°C)
I
F
= 2 mA
0.40
0.75
1.10
1.45
1.80
2.15
2.50
2.85
3.20
4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
PWM Threshold Voltage, V
PWM
(V)
Driver Supply Voltage, V
CIN
(V)
V
TH_PWM_F
V
TH_PWM_R
V
TRI_TH_F
V
TRI_TH_R
V
TRI
0
0.50
1.00
1.50
2.00
2.50
3.00
3.50
4.00
4.50
5.00
4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
PWM Threshold Voltage, V
PWM
(V)
Driver Supply Voltage, V
CIN
(V)
V
TH_PWM_F
V
TH_PWM_R
V
TRI_TH_F
V
TRI_TH_R
V
TRI
P1-P3P4-P6P7-P9P10-P12P13-P14

SIC638CD-T1-GE3

Mfr. #:
Buy SIC638CD-T1-GE3
Manufacturer:
Vishay / Siliconix
Description:
Power Management Specialized - PMIC 50A 1.5MHz 19V PowerPAK MLP55-31L
Lifecycle:
New from this manufacturer.
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