参数资料
型号: BD9533EKN-E2
厂商: Rohm Semiconductor
文件页数: 3/23页
文件大小: 0K
描述: IC REG SW VAR SOFT START 20-HQFN
标准包装: 1
系列: H³Reg™
应用: 转换器,DDR SDRAM
输入电压: 4.5 V ~ 28 V
输出数: 1
输出电压: 0.7 V ~ 2 V
工作温度: -10°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 20-VFQFN 裸露焊盘
供应商设备封装: 20-HQFN
包装: 标准包装
产品目录页面: 1373 (CN2011-ZH PDF)
其它名称: BD9533EKN-E2DKR
● ELECTRICAL CHARACTERISTICS
(unless otherwise noted, Ta=25 ℃ VCC=5V,VDD=5V,EN/SLLM=5V,VIN=12V,REF=1.8V,R FS =68k ? )
Parameter Symbol
[Whole Device]
Standard Value
MIN TYP MAX
Unit Condition
VCC Bias Current
VIN Bias Current
Icc
Iin
- 700 900
- 100 200
μ A
μ A
VCC Standby Current
VIN Standby Current
Iccstb - 0 10
Iinstb - 100 200
μ A EN=0V
μ A EN=0V
EN Low Voltage
EN HighVoltage
Enlow GND - 0.8 V
Enhigh 2.3 - 5.5 V
EN Bias Current
Ien - 7 10
μ A
VREG Voltage
[Under Voltage Locked Out ]
Vreg 2.475 2.500 2.525 V
Ireg=100 μ A
Ta=-10 ℃ to 100 ℃ *
VCC threshold voltage
Vcc_UVLO 4.1 4.3 4.5 V VCC:Sweep up
VCC hysteresis voltage dVcc_UVLO 100 160 220 mV VCC:Sweep down
VIN threshold voltage
Vin_UVLO
4.1 4.3 4.5 V VIN:Sweep up
VIN hysteresis voltage
dVin_UVLO 100 160 220 mV VIN:Sweep down
VREG threshold voltage Vreg_UVLO 2.0 2.2 2.4 V VREG:Sweep up
VREG hysteresis voltage dVreg_UVLO 100 160 220 mV VREG:Sweep down
[H 3 Reg TM ]
Frequency Fosc
-
300
-
kHz
ON Time
Ton 400 500 600 nsec
MAX ON Time
Tonmax - 3 -
μ sec
MIN OFF Time
[FET Driver]
Toffmin - 450 550 nsec
HG Higher side ON resistor HGhon - 3.0 6.0
HG Lower side ON resistor HGlon - 2.0 4.0
LG Higher side ON resistor LGhon - 2.0 4.0
LG Lower side ON resistor LGlon - 0.5 1.0
[Dead Time]
?
?
?
?
HG rising
LG rising
[SCP]
HGdead - 50 - nsec
LGdead - 50 - nsec
SCP Detect Voltage
Vscp
REF×0.65 REF×0.7 REF×0.75
V
SCP threshold voltage
Vscpth 1.2 1.25 1.3 V
Charge current
Iscp 1.5 2 2.5
μ A
Standby voltage
[OVP]
Vscp_stb - - 50 mV
OVP Detect Voltage
V OVP
REF×1.16 REF×1.2 REF×1.24
V
[Soft start]
Charge current
Iss 1.5 2 2.5
μ A
Standby voltage
[Over Current Protection Block]
Vss_stb - - 50 mV
Current limit threshold1
Ilim1 43 50 57 mV
ILIM=0.5V
Ta=-10 ℃ to 100 ℃ *
Current limit threshold2
Reverse current limit threshold1
Reverse current limit threshold2
[VOUT setting ]
VOUT offset voltage1
VOUT bias current
REF bias current
Ilim2 160 200 240 mV ILIM=2.0V
ReIlim1 - -50 - mV ILIM=0.5V
ReIlim2 - -200 - mV ILIM=2.0V
Voutoff1 REF-7m REF REF+7m V Ta=-10 ℃ to 100 ℃ *
Ivout -100 0 100 nA
Iref -100 0 100 nA
Is+ Input current
Is- Input current
IIs+ -1 0 1
IIs- -1 0 1
μ A Is+=1.8V
μ A Is-=1.8V
[SLLM ]
Continuous mode threshold Vthcon VCC-0.5 - VCC V
SLLM threshold
VthSLLM GND - 0.5 V
* Design Guarantee
3/20
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