BD9532EKN_08 Datasheet, PDF (2/21 Pages) Rohm – Switching Regulators for DDR-SDRAM Cores

●Maximum Absolute Ratings (Ta=25℃)
Parameter
Input Voltage 1
Input Voltage 2
Input Voltage 3
BOOT Voltage
BOOT-SW Voltage
HG-SW Voltage
Symbol
VCC
VDD
VIN
BOOT
BOOT-SW
HG-SW
Limit
7 ^*1*2
7 ^*1*2
30 ^*1*2
35 ^*1*2
7 ^*1*2
7 ^*1*2
Unit
V
V
V
V
V
V
LG Voltage
LG
VDD
V
REF Voltage
REF
VCC
V
Output Voltage
VOUT/Is+/Is-
VCC
V
ILIM/SCP/SS/FS/SLLM Voltage
ILIM/SCP/SS/FS/SLLM
VCC
V
VREG Voltage
EN Input Voltage
Power Dissipation 1
Power Dissipation 2
Power Dissipation 3
Power Dissipation 4
VREG
EN
Pd1
Pd2
Pd3
Pd4
VCC
V
7 ^*1
V
0.5 ^*3
W
0.75 ^*4
W
1.75 ^*5
W
2.00 ^*6
W
Operating Temperature Range
Topr
-10～+100
℃
Storage Temperature Range
Tstg
-55～+150
℃
Maximum Junction Temperature
Tjmax
+150
℃
*1 Not to exceed Pd.
*2 Instantaneous surge voltage, back electromotive force and voltage under less than 10% duty cycle.
*3 Reduced by 4mW for each increase in Ta of 1℃ over 25℃ (when not mounted on a heat radiation board )
*4 Reduced by 6mW for increase in Ta of 1℃ over 25℃. (when mounted on a board 70.0mm×70mm×1.6mm Glass-epoxy PCB.)
*5 Reduced by 14mW for increase in Ta of 1℃ over 25℃. (when mounted on a board 70.0mm×70mm×1.6mm Glass-epoxy PCB.)
*6 Reduced by 16mW for increase in Ta of 1℃ over 25℃. (when mounted on a board 70.0mm×70mm×1.6mm Glass-epoxy PCB.)
●Operating Conditions (Ta=25℃)
Parameter
Input Voltage 1
Input Voltage 2
Input Voltage 3
BOOT Voltage
SW Voltage
BOOT-SW Voltage
SLLM Input Voltage
EN Input Voltage
Output setting voltage
Is Input Voltage
MIN ON Time
Symbol
VCC
VDD
VIN
BOOT
SW
BOOT-SW
SLLM
EN
REF
Is+/Is-
Tonmin
★ This product should not be used in a radioactive environment.
MIN
MAX
Unit
4.5
5.5
V
4.5
5.5
V
4.5
25
V
4.5
30
V
-0.7
25
V
4.5
5.5
V
0
5.5
V
0
5.5
V
0.7
2.0
V
0.7
2.7
V
-
200
nsec
2/20