参数资料
型号: BD8963EFJ-E2
厂商: Rohm Semiconductor
文件页数: 3/23页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 3A 8HTSOP
标准包装: 1
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 1 V ~ 2.5 V
输入电压: 2.7 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 1MHz
电流 - 输出: 3A
同步整流器:
工作温度: -25°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 标准包装
供应商设备封装: 8-HTSOP-J
其它名称: BD8963EFJ-E2DKR
BD8963EFJ
● Absolute Maximum Ratings
Datasheet
Parameter
Symbol
Ratings
Unit
V CC Voltage
V CC
-0.3 to +7
*1
V
EN Voltage
SW,COMP Voltage
V EN
V SW ,V COMP
-0.3 to +7
-0.3 to +7
V
V
Power Dissipation 1
Pd1
0.5
*2
W
Power Dissipation 2
Pd2
3.76
*3
W
Operating temperature range
Storage temperature range
Maximum junction temperature
Topr
Tstg
Tjmax
-25 to +85
-55 to +150
+150
*1
*2
*3
Pd should not be exceeded.
Reduced by 4.0mW for increase in Ta of 1 ℃ above 25 ℃ .
Reduced by 30.0mW for increase in Ta of 1 ℃ above 25 ℃ .
(when mounted on a board 70.0mm × 70.0mm × 1.6mm Glass-epoxy PCB)
● Recommended Operating Ratings (Ta=-25 to +85 ℃ )
Parameter
Symbol
Min.
Ratings
Typ.
Max.
Unit
Power Supply Voltage
EN Voltage
V CC
V EN
2.7
0
*5
5.0
-
5.5
Vcc
V
V
Output voltage range
SW average output current
V OUT
Isw
1.0
-
-
-
2.5
3.0
*4
*5
V
A
*4
*5
In case set output voltage 1.6V or more, VccMin. = Vout +2.25V
Pd should not be exceeded.
● Electrical Characteristics (Unless otherwise specified , Ta=25 ℃ V CC =5V, EN=V CC , R 1 =20k Ω , R 2 =7.5k Ω )
Parameter
Standby Current
Bias Current
EN Low Voltage
EN High Voltage
EN Current
Oscillation Frequency
Pch FET ON Resistance
Nch FET ON Resistance
ADJ Reference Voltage
COMP S INK Current
COMP Source Current
UVLO Threshold Voltage
UVLO Hysteresis Voltage
Soft Start Time
Timer Latch Time
Output Short circuit Threshold Voltage
Symbol
I STB
I CC
V ENL
V ENH
I EN
F OSC
R ONP
R ONN
V ADJ
I COSI
I COSO
V UVLO 1
V UVLO 2
T SS
T LATCH
V SCP
Min.
-
-
-
2.0
-
0.8
-
-
0.788
10
10
2.400
2.425
0.5
1
-
Limit
Typ.
5
350
GND
V CC
1.25
1
145
80
0.800
25
25
2.500
2.550
1
2
V OUT × 0.5
Max.
20
600
0.3
-
10
1.2
290
160
0.812
-
-
2.600
2.700
2
4
V OUT × 0.7
Unit
μA
μA
V
V
μA
MHz
m Ω
m Ω
V
μA
μA
V
V
ms
ms
V
Conditions
EN=GND
Stand-by Mode
Active Mode
V EN =5V
V CC =5V
V CC =5V
V ADJ =1.0V
V ADJ =0.6V
Vcc=5V → 0V
Vcc=0V → 5V
V OUT =1.0V → 0V
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?2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
3/21
TSZ02201-0J3J0AJ00040-1-2
02.MAR.2012 Rev.001
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