参数资料
型号: BU12TD2WNVX-TL
厂商: Rohm Semiconductor
文件页数: 4/43页
文件大小: 0K
描述: IC REG LDO 1.2V .2A 4-SSON
标准包装: 5,000
稳压器拓扑结构: 正,固定式
输出电压: 1.2V
输入电压: 1.7 V ~ 5.5 V
稳压器数量: 1
电流 - 输出: 200mA(最小)
电流 - 限制(最小): 220mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 4-UDFN 裸露焊盘
供应商设备封装: *
包装: 带卷 (TR)
BUxxTD2WNVX series
● Electrical Characteristics
(Ta=25℃, VIN=VOUT+1.0V (*3), STBY=VIN, Cin=0.47μF, Co=0.47μF, unless otherwise noted.)
Datasheet
PARAMETER
Symbol
MIN.
Limit
TYP.
MAX.
Unit
Conditions
Overall Device
Output Voltage
Operating Current
Operating Current (STBY)
Ripple Rejection Ratio
VOUT
IIN
ISTBY
RR
VOUT×0.99
VOUT-25mV
-
-
45
-
-
-
-
VOUT
35
-
70
800
600
440
380
VOUT×1.01
VOUT+25mV
60
1.0
-
1100
900
700
600
V
μA
μA
dB
mV
mV
mV
mV
IOUT=10μA, VOUT≧2.5V
IOUT=10μA, VOUT<2.5V
IOUT=0mA
STBY=0V
VRR=-20dBv, fRR=1kHz, IOUT=10mA
1.0V≦VOUT<1.2V(IOUT=200mA)
1.2V≦VOUT<1.5V(IOUT=200mA)
1.5V≦VOUT<1.8V(IOUT=200mA)
1.8V≦VOUT<2.5V(IOUT=200mA)
Dropout Voltage
VSAT
-
-
-
-
280
260
240
220
540
500
460
420
mV
mV
mV
mV
2.5V≦VOUT≦2.6V(IOUT=200mA)
2.7V≦VOUT≦2.85V(IOUT=200mA)
2.9V≦VOUT≦3.1V(IOUT=200mA)
3.2V≦VOUT≦3.4V(IOUT=200mA)
Line Regulation
Load Regulation
VDL
VDLO
-
-
2
10
20
80
mV
mV
VIN=VOUT+1.0V to 5.5V (*4), IOUT=10μA
IOUT=0.01mA to 100mA
Over Current Protection (OCP)
Limit Current
Short Current
ILMAX
ISHORT
220
20
400
70
700
150
mA
mA
Vo=VOUT*0.95
Vo=0V
Standby Block
Discharge Resistor
STBY Pin Pull-down Current
RDSC
ISTB
20
0.1
50
0.6
80
2.0
Ω
μA
VIN=4.0V, STBY=0V, VOUT=4.0V
STBY=1.5V
STBY Control Voltage
ON
OFF
VSTBH
VSTBL
1.2
-0.3
-
-
6.0
0.3
V
V
This product is not designed for protection against radioactive rays.
(*3) VIN=2.5V for VOUT≦1.5V
(*4) VIN=2.5V to 3.6V for VOUT≦1.5V
● Block Diagrams
VIN
VIN
4
Cin
VREF
VOUT
VOUT
1
GND
2
OCP
Co
TSD
STBY
STBY
3
STBY
Discharge
Cin ??? 0.47 μ F (Ceramic)
Co ??? 0.47 μ F (Ceramic)
Fig. 2 Block Diagrams
www.rohm.com ? 2013 ROHM Co., Ltd. All rights reserved.
TSZ02201-0RBR0A300050-1-2
TSZ22111 ? 15 ? 001
4/40
14.Jan.2013.Rev.008
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