BD9533EKN_08 Datasheet, PDF (3/21 Pages) Rohm – Switching Regulators for DDR-SDRAM Cores

●ELECTRICAL CHARACTERISTICS
(unless otherwise noted, Ta=25℃ VCC=5V,VDD=5V,EN/SLLM=5V,VIN=12V,REF=1.8V,R_FS=68kΩ)
Parameter
Symbol
Standard Value
MIN
TYP
MAX
Unit
Condition
[Whole Device]
VCC Bias Current
Icc
-
700
900
μA
VIN Bias Current
Iin
-
100
200
μA
VCC Standby Current
Iccstb
-
0
10
μA EN=0V
VIN Standby Current
Iinstb
-
100
200
μA EN=0V
EN Low Voltage
Enlow
GND
-
0.8
V
EN HighVoltage
Enhigh
2.3
-
5.5
V
EN Bias Current
Ien
-
7
10
μA
VREG Voltage
Vreg
2.475
2.500
2.525
V
Ireg=100μA
Ta=-10℃ to 100℃*
[Under Voltage Locked Out ]
VCC threshold voltage
VCC hysteresis voltage
VIN threshold voltage
VIN hysteresis voltage
VREG threshold voltage
VREG hysteresis voltage
[H³Reg^TM]
Frequency
ON Time
MAX ON Time
MIN OFF Time
[FET Driver]
HG Higher side ON resistor
HG Lower side ON resistor
LG Higher side ON resistor
LG Lower side ON resistor
[Dead Time]
HG rising
LG rising
[SCP]
SCP Detect Voltage
SCP threshold voltage
Charge current
Standby voltage
[OVP]
OVP Detect Voltage
[Soft start]
Charge current
Standby voltage
[Over Current Protection Block]
Vcc_UVLO
dVcc_UVLO
Vin_UVLO
dVin_UVLO
Vreg_UVLO
dVreg_UVLO
Fosc
Ton
Tonmax
Toffmin
HGhon
HGlon
LGhon
LGlon
HGdead
LGdead
Vscp
Vscpth
Iscp
Vscp_stb
VOVP
Iss
Vss_stb
Current limit threshold1
Ilim1
Current limit threshold2
Reverse current limit threshold1
Reverse current limit threshold2
[VOUT setting ]
Ilim2
ReIlim1
ReIlim2
4.1
100
4.1
100
2.0
100
-
400
-
-
-
-
-
-
-
-
REF×0.65
1.2
1.5
-
REF×1.16
1.5
-
43
160
-
-
4.3
160
4.3
160
2.2
160
300
500
3
450
3.0
2.0
2.0
0.5
50
50
REF×0.7
1.25
2
-
REF×1.2
2
-
50
200
-50
-200
4.5
V VCC:Sweep up
220
mV VCC:Sweep down
4.5
V VIN:Sweep up
220
mV VIN:Sweep down
2.4
V VREG:Sweep up
220
mV VREG:Sweep down
-
kHz
600 nsec
-
μsec
550 nsec
6.0
Ω
4.0
Ω
4.0
Ω
1.0
Ω
-
nsec
-
nsec
REF×0.75 V
1.3
V
2.5
μA
50
mV
REF×1.24 V
2.5
μA
50
mV
57
mV
ILIM=0.5V
Ta=-10℃ to 100℃*
240
mV ILIM=2.0V
-
mV ILIM=0.5V
-
mV ILIM=2.0V
VOUT offset voltage1
VOUT bias current
REF bias current
Is+ Input current
Is- Input current
[SLLM ]
Continuous mode threshold
SLLM threshold
Voutoff1
Ivout
Iref
IIs+
IIs-
Vthcon
VthSLLM
REF-7m
-100
-100
-1
-1
VCC-0.5
GND
REF
0
0
0
0
-
-
REF+7m
100
100
1
1
VCC
0.5
V Ta=-10℃ to 100℃*
nA
nA
μA Is+=1.8V
μA Is-=1.8V
V
V
* Design Guarantee
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