参数资料
| 型号： | BD7003NUX-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .3A 8VSON |
| 特色产品： | CMOS LDO Regulators |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 1.5 V ~ 3.3 V |
| 输入电压： | 2.5 V ~ 5.5 V |
| 电压 - 压降（标准）： | 0.21V @ 300mA |
| 稳压器数量： | 2 |
| 电流 - 输出： | 300mA（最小） |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-UFDFN 裸露焊盘 |
| 供应商设备封装： | 8-VSON-EP（2x2） |
| 包装： | 标准包装 |
| 其它名称： | BD7003NUX-E2DKR |
BD7003NUX,BD7004NUX
● Electrical Characteristics (Vin=3.7V, EN1=EN2=Vin,Ta =+25 ℃ , unless otherwise noted.)
Technical Note
Parameter
Output Voltage range
Input Voltage range
Output Voltage Accuracy
Maximum Output Current
Short Circuit Current
Ground Pin Current
Symbol
VOUT
VIN
Δ vouta
Δ voutb
Imax
Isc
Iq
Min
1.2
2.5
-1.8
-30
300
-
-
-
Limits
Typ
-
-
-
-
-
150
55
35
Max
3.3
5.5
1.8
+30
-
-
95
65
Unit
V
V
%
mV
mA
mA
μ A
Condition
Iout=1mA, VOUT ≧ 1.5V
Iout=1mA, VOUT=1.2V
VOUT = 0V
Iout=0mA
One LDO shutdown, Iout=0mA
-
-
120
90
80
170
140
130
VIN=2.5V, VOUT=2.6V, Iout=100mA
VIN=2.7V, VOUT=2.8V, Iout=100mA
VIN=2.9V, VOUT=3.0V, Iout=100mA
Dropout Voltage
Vdrop
-
-
70
360
120
510
mV
VIN=3.2V, VOUT=3.3V,Iout=100mA
VIN=2.5V, VOUT=2.6V, Iout=300mA
-
-
270
240
210
420
390
360
VIN=2.7V, VOUT=2.8V, Iout=300mA
VIN=2.9V, VOUT=3.0V, Iout=300mA
VIN=3.2V, VOUT=3.3V, Iout=300mA
Line Regulation
Load Regulation
Ripple Rejection
Output Noise
Δ VLNR
Δ VLDR
PSRR
en
-
-
-
-
0.02
0.2
66
150
0.2
0.6
-
-
%/V
%
dB
μ Vrms
VIN=VOUT+1V to VIN=5.5V, Iout=10mA
Iout=1mA to 300mA
f=100Hz,Iout=10mA@VOUT=1.5V
fBW=10Hz to 100kHz;Iout=10mA
● EN1, EN2
Enable Input Threshold
Enable Input Leakage Current
Shutdown Supply Current
ViH
ViL
Ien
IQSHDN
1.2
-
-
-
-
-
0.1
0.1
-
0.5
1
1
V
μ A
μ A
Regulator enabled
Regulator shutdown
Ven=VIN , Ta=+25 ℃
Vout=0V , Ta=+25 ℃
*This product is not especially designed to be protected from radioactivity.
Output-Voltage Programming
PIN Name
P1
P2
BD7003NUX
VOUT1 VOUT2
BD7004NUX
VOUT1 VOUT2
OPEN
OPEN
OPEN
GND
OPEN
GND
VIN
OPEN
1.50
1.80
1.80
1.80
2.80
2.60
2.70
2.80
1.20
1.20
1.80
1.80
1.50
1.80
1.50
1.80
Set up
GND
GND
VIN
VIN
VIN
GND
VIN
OPEN
GND
VIN
1.80
2.60
2.80
2.90
2.80
2.90
2.80
2.80
2.90
3.30
1.80
1.80
2.80
3.00
3.30
3.00
3.30
3.00
3.00
3.30
Output Voltage Programming Input (P1 、 P2)
Output voltages, VOUT1 and VOUT2, are determined at power up by the state of P1 and P2 (see the table of
“Output-Voltage Programming”). Subsequent charges to P1 and P2 do not change the output voltages unless the supply
power is cycled, or all EN inputs are simultaneously driven low to shutdown the device.
Shutdown (EN1, EN2)
The BD7003NUX, BD7004NUX have independent shutdown control inputs, EN1 and EN2. Driving both EN1 and EN2
low will shut down the entire device, reducing supply current to 1 μ A max. Connecting EN1 and EN2 to a logic-high or
VIN will enable the corresponding output(s).
It is prohibited to open EN1, EN2 switches.
www.rohm.com
? 2012 ROHM Co., Ltd. All rights reserved.
3/13
2012.01 - Rev.C
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