参数资料
型号: BD8966FVM-TR
厂商: Rohm Semiconductor
文件页数: 3/19页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 0.8A MSOP8
标准包装: 3,000
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: 4 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 1MHz
电流 - 输出: 800mA
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-VSSOP,8-MSOP(0.110",2.80mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-MSOP
BD8966FVM
● Absolute maximum Ratings
Datasheet
Parameter
Symbol
Ratings
Unit
V CC Voltage
PV CC Voltage
V CC
PV CC
-0.3 to +7
-0.3 to +7
*1
*1
V
V
EN Voltage
SW,ITH Voltage
V EN
V SW ,V ITH
-0.3 to +7
-0.3 to +7
V
V
Power Dissipation 1
Power Dissipation 2
Pd1
Pd2
387.5
587.4
*2
*3
mW
mW
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.
Derating in done 3.1mW/ ℃ for temperatures above Ta=25 ℃ .
Derating in done 4.7mW/ ℃ for temperatures above Ta=25 ℃ , Mounted on 70mm × 70mm × 1.6mm Glass Epoxy PCB.
● Operating Ratings (Ta=25 ℃ )
Parameter
Symbol
Min.
Limits
Typ.
Max.
Unit
V CC Voltage
PV CC Voltage
V CC
P VCC
*4
*4
4.0
4.0
5.0
5.0
5.5
5.5
V
V
EN Voltage
V EN
0
-
V CC
V
SW average output current
Isw
*4
-
0.8
A
Output voltage Setting Range
V OUT
1.0
-
2.5
V
*4
Pd should not be exceeded.
● Electrical Characteristics
(Ta=25 , V CC =5V, EN=V CC , R 1 =20k Ω , R 2 =10kΩ unless otherwise specified.)
Parameter
Standby current
Bias current
EN Low voltage
EN High voltage
EN input current
Oscillation frequency
Pch FET ON resistance
Nch FET ON resistance
ADJ voltage
ITH SI nk current
ITH S ource C urrent
UVLO threshold voltage
UVLO release voltage
Soft start time
Timer latch time
Symbol
I STB
I CC
V ENL
V ENH
I EN
F OSC
R ONP
R ONN
V ADJ
I THSI
I THSO
V UVLO1
V UVLO2
T SS
T LATCH
Min.
-
-
-
2.0
-
0.8
-
-
0.78
10
10
3.20
3.25
1.5
0.5
Limits
Typ.
0
250
GND
V CC
1
1
350
250
0.80
20
20
3.40
3.50
3
2
Max.
10
450
0.8
-
10
1.2
600
500
0.82
-
-
3.6
3.80
6
3
Unit
μA
μA
V
V
μA
MHz
V
μA
μA
V
V
ms
ms
Conditions
EN=GND
Standby mode
Active mode
V EN =5V
P VCC =5V
P VCC =5V
V ADJ =H
V ADJ =L
V CC =4 → 0V
V CC =0 → 4V
V ADJ =H
SCP/TSD operated
www.rohm.com
? ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
3/17
TSZ02201-0J3J0AJ00060-1-2
02.MAR.2012. Rev.001
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