参数资料
型号: BD9850FVM-TR
厂商: Rohm Semiconductor
文件页数: 3/17页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 8-MSOP
标准包装: 1
PWM 型: 控制器
输出数: 1
频率 - 最大: 2MHz
电源电压: 4 V ~ 9 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 8-VSSOP,8-MSOP(0.110",2.80mm 宽)
包装: 标准包装
其它名称: BD9850FVM-DKR
BD9850FVM-DKR-ND
BD9850FVMDKR
BD9850FVM
Electrical characteristics (Unless otherwise specified, Ta=25?C, Vcc=7V, fosc=600kHz)
Item Symbol
min.
Limits
Typ. max.
Unit
Conditions
[Oscillator block]
Oscillation frequency
Frequency regulation
Oscillator amplitude voltage
fosc
FDV
Vpptr
510
–5
600
0
0.5
690
5
kHz
%
V
R RT = 24kΩ
Vcc = 4V to 9V
*
[Soft start / SW block]
CTL/SS pin sink current
CTL / SS pin clamp voltage
CTL threshold voltage
ISS
VSS
VCTLTH
–1.90
2.2
1.2
–1.00
2.4
1.3
1.00
2.6
1.4
μA
V
V
V CTL/SS = 1.5V
[PWM comparator block]
0% threshold voltage
100% threshold voltage
D0
D100
1.5
2.0
1.6
2.1
1.7
2.2
V
V
fosc = 600kHz
fosc = 600kHz
[Error Amp block]
Threshold voltage
Frequency bandwidth
Voltage gain
Input bias current
Maximum output voltage
Minimum output voltage
Output source current
Output sink current
V IN
BW
Av
IIB
VCH
VCL
IOl
IOO
0.98
1.5
–150
2.3
–3.1
12
1.00
3.0
70
–70
2.4
0.03
–1.6
50
1.02
2.6
0.20
–1.0
125
V
MHz
dB
h A
V
V
mA
mA
AV = 0dB
*
V FB = 1.0V
V FB = 1.0V
*
[V REF block]
V REF output voltage
F REF load regulation
V REF current capacitance
V REF
ΔV REFl0
IV REF
2.475
–45
2.500
–16
2.525
10
–1
V
mV
mA
I VREF = 0mA
I VREF = 0mA to –1mA
[Total device]
Standby current
ICCS
420
610
960
μA
Average supply current
ICCA
3.4
5.0
7.8
mA
At no load
[Output block]
ON resistance
R ON
0.9
2.5
8.0
Ω
Output transient time
Tr/ Tf
20
nsec
Cout = 1000pF
*
[Under voltage lockout block]
Threshold voltage
Hysteresis width
VUT
VUThy
3.7
0.05
3.8
0.10
3.9
0.15
V
V
Vcc sweep down
* Design guarantee
* Not designed to be radiation-resistant.
3/16
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