MD1423R Shindengen America, Inc., MD1423R Datasheet - Page 2

• Manufacturer Part Number: MD1423R
• Description: Step Down DC - DC Converter Power IC
• Manufacturer: Shindengen America, Inc.

Absolute Maximum Ratings
Recommended Operating Conditions
Electrical Characteristics
※1 CEM-3 Board：50.8×50.8mm
※3 PD1,θja1,θjc1 are the values of the power dissipation and thermal registance when electifying to a single internal element.
※4 Input voltage at the time of power supply operation.
High Side MOSFET
Low Side MOSFET
Control IC
Input/Output Ratings
Thermal Ratings
Thermal resistance
Input voltage
Drain-source breakdown voltage
Zero gate voltage drain current
Static drain-source on-state resistance
Source-drain diode forward voltage
Drain-source breakdown voltage
Zero gate voltage drain current
Static drain-source on-state resistance
Source-drain diode forward voltage
Undervoltage lockout threshold (start)
Undervoltage lockout threshold (stop)
Undervoltage lockout hysteresis
Supply ｃ urrent
Supply current-remote OFF state
Remote control ON input voltage
Remote control OFF input voltage
Remote control source current
Bootstrap voltage
Reference voltage
Frequency1 accuracy
Frequency2 accuracy
Frequency3 accuracy
Threshold of over current limit
Softstart source current
Error amp reference voltage
Thermal shutdown temperature
Main MOSFET input voltage
Output current （ave）
Output current （peak）
OCL - ,OCL
Remote control voltage
Power dissipation max
Operating temperature
Storage temperature
Junction temperature
Junction temperature
Input voltage （ Ta＝−10℃ to 85℃）
Input voltage （ Ta＝−30℃ to −10℃）
Output voltage setting range
Oscillation frequency
PD2,θja2,θjc2 are the values of the power dissipation and thermal registance when electifying to two internal element.
+
Item
Item
Item
input voltage
2
，Thickness：1mm，Copper Pattern：300mm
※ 1
※ 1
Vcc＿ start
Vcc＿stop
frq ＿ 100
frq ＿ 300
frq ＿ 500
Vth ＿ OCL
Vcc＿
V
V
V
T ＿ TSD
Symbol
V
Icc＿off
I
R
R
V
I
Vboot
V
Vamp
DSS
DSS
RC
RC
Vref
DSS
DSS
ON
Is
SD
ON
Icc
I
SD
RC
θ j c 1
θ j c 2
＿off
＿on
/
I
s
＿
＿
＿
＿
＿
＿
hys
T a - o p e
θ j a 1
θ j a 2
I
＿
O U T
＿
P D 1
P D 2
Ｈ
Ｈ
Ｈ
L
L
L
O U T
Ｈ
Symbol
Symbol
※5 Output voltage at the time of power supply operation.
L
V
V
V
V
T s t g
（Top Side） ，There is no through-hole.
2
V
V
V
f r q
O
T j
T j
i
i
O C L
C C
D D
R C
p e a k
Vcc＝8 to 40V, f＝300kHz
I
I
Vcc＝24V, R＝406.0k Ω
Vcc＝24V, R＝105.1k Ω
a v e
※ 2 , ※ 3
※ 2 , ※ 3
※ 4
※ 4
※ 5
V
V
D
D
Vcc＝24V, R＝49.8k Ω
I
I
I
I
※ 3
※ 3
＝1.2A,V
S
＝1.2A,V
S
D
DS
D
DS
※ 3
※ 3
30
＝1.2A,V
＝1.2A,V
Vcc＝8 to 40V
Vcc＝8 to 40V
Vcc＝8 to 40V
Vcc＝8 to 40V
Vcc＝8 to 40V
Vcc＝8 to 40V
＝1mA,V
＝1mA,V
＝42V,V
＝42V,V
Vcc＝24V
Vcc＝24V
Vcc＝24V
Condition
−
−
−
−
GS
GS
GS
GS
GS
GS
GS
GS
＝4.5V
＝4.5V
Recommendation
− 3 0 t o 8 5
＝0V
＝0V
− 4 0 t o 1 5 0
− 3 0 t o 1 2 5
＝0V
＝0V
＝0V
＝0V
1 0 0 t o 5 0 0
8 . 5 t o 4 0
2 . 5 t o 1 2
Ratings
8 t o 4 0
1 5 0
1 1 0
5 . 5
5 . 5
1 . 1
1 . 5
4 2
4 2
8 7
5 5
3 0
3
4
0.162
−0.2
Unless otherwise specified : Ta=25ºC
Unless otherwise specified : Ta=25ºC
4.75
−20
279
465
MIN
MD1423R
6.5
6.0
2.5
5.4
2.4
42
42
93
※2 The measurement result in the center of case.
−
−
−
−
−
−
−
−
−
−
−
−12.5
0.19
2.45
100
300
500
150
TYP
7.2
6.7
0.5
1.2
6.5
33
33
10
−
−
−
−
−
−
−
−
−
5
0.218
0.45
5.25
MAX
250
107
321
535
1.5
1.5
7.9
7.4
1.3
1.5
5.3
7.6
−5
2.5
10
70
10
70
℃ / W
℃ / W
℃ / W
℃ / W
−
−
−
−
Units
Units
k H z
W
W
℃
℃
℃
℃
V
V
A
A
V
V
V
V
V
Units
mΩ
mΩ
kHz
kHz
kHz
μ A
μ A
μ A
mA
μ A
m A
℃
V
V
V
V
V
V
V
V
V
V
V
V
V
U097−2