参数资料
| 型号： | BH31RB1WGUT-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 2/9页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.1V .15A 4-VCSP |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 3.1V |
| 输入电压： | 最高 5.5V |
| 电压 - 压降（标准）： | 0.1V @ 100mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 150mA（最小值） |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 4-WFBGA，CSPBGA |
| 供应商设备封装： | VCSP60N1 |
| 包装： | 标准包装 |
| 产品目录页面： | 1374 (CN2011-ZH PDF) |
| 其它名称： | BH31RB1WGUT-E2DKR |
BH □□ RB1WGUT series
● Absolute maximum ratings
Technical Note
Parameter
Applied supply voltage
Power dissipation
Operating temperature range
Storage temperature range
Symbol
VMAX
Pd
Topr
Tstg
Ratings
-0.3 to +6.5
530 *1
-40 to +85
-55 to +125
Unit
V
mW
°C
°C
*1: Reduce by 5.3 mW/ ? C over 25 ? C, when mounted on a glass epoxy PCB (7 mm ? 7 mm ? 0.8 mm).
● Recommended operating ranges (not to exceed Pd)
Parameter
Power supply voltage
Output current
Symbol
V IN
IOUT
Ratings
2.5 to 5.5
0 to 150
Unit
V
mA
● Recommended operating conditions
Parameter
Input capacitor
Output capacitor
Symbol
C IN
C O
Min.
0.7 *2
0.7 *2
Ratings
Typ.
1.0
1.0
Max.
—
—
Unit
μF
μF
Conditions
The use of ceramic capacitors is
recommended.
The use of ceramic capacitors is
recommended.
(Unless otherwise specified, Ta = 25°C, V IN = V OUT + 1.0 V , STBY = 1.5 V, C IN = 1 μF, C O = 1 μF)
*2: Make sure that the output capacitor value is not kept lower than this specified level across a variety of temperature, DC bias characteristic.
And also make sure that the capacitor value cannot change as time progresses.
● Electrical characteristics
*5
Parameter
Symbol
Limits
Min. Typ. Max.
Unit
Conditions
Output voltage 1
V OUT 1
V OUT
? 0.99
V OUT
V OUT
V OUT
? 1.01
V OUT
V
I OUT = 1 mA, Ta = 25°C,
BH25RB1WGUT or higher
I OUT = 1mA, Ta = 25°C,
- 25 mV
+ 25 mV
BH15, 18RB1WGUT
Output voltage 2
Circuit current
Circuit current (STBY)
Ripple rejection ratio
Dropout voltage
Line regulation
Load regulation
Overcurrent protection limit current
Short current
STBY pin current
V OUT 2
IGND
ICCST
RR
VSAT
VDLI
VDLO
ILMAX
ISHORT
ISTBY
V OUT
? 0.97
—
—
—
—
—
—
—
—
0.5
V OUT
34
—
63
100
2
2
300
40
1.3
V OUT
? 1.03
72
1.0
—
150
20
30
—
—
3.6
V
μA
μA
dB
mV
mV
mV
mA
mA
μA
I OUT = 1 mA
Ta = -40°C to 85°C *3
I OUT = 0 mA
Ta = -40°C to 85°C *3
STBY = 0 V
VRR = -20 dBV, fRR = 1 kHz,
I OUT = 10 mA
V IN = 0.98 ? V OUT , I OUT = 100 mA
(Excluding BH15, 18RB1WGUT)
I OUT = 10 mA
V IN = V OUT + 0.5 V to 5.5 V *4
I OUT = 1 mA to 100 mA
V O = V OUT ? 0.98
V O = 0 V
Ta = -40°C to 85°C *3
STBY control voltage
ON
OFF
VSTBH
VSTBL
1.2
-0.2
—
—
V IN
0.2
V
V
Ta = -40°C to 85°C *3
Ta = -40°C to 85°C *3
* This IC is not designed to be radiation-resistant.
*3: These specifications are guaranteed by design.
*4: For BH15, 18RB1WGUT, VIN = 3.0 V to 5.5 V.
*5: For BH15, 18RB1WGUT, VIN = 3.5 V.
www.rohm.com
? 2011 ROHM Co., Ltd. All rights reserved.
2/8
2011.01 - Rev.C
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