参数资料
型号: BD91361MUV-E2
厂商: Rohm Semiconductor
文件页数: 3/23页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 4A 20VQFN
特色产品: BD91x Series Step-Down Regulators
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: 0.8 V ~ 3.3 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: 4A
同步整流器:
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 20-VFQFN 裸露焊盘
包装: 标准包装
供应商设备封装: 20-VQFN
其它名称: BD91361MUV-E2DKR
BD91361MUV
● Absolute Maximum Ratings (Ta=25 ℃ )
Datasheet
V CC Voltage
PV CC Voltage
Parameter
Symbol
V CC
PV CC
Ratings
-0.3 to +7 *
-0.3 to +7 *
1
1
Unit
V
V
0.34 *
0.70 *
2.21 *
BST Voltage
BST_SW Voltage
EN Voltage
SW,ITH Voltage
Power Dissipation 1
Power Dissipation 2
Power Dissipation 3
V BST
V BST - SW
V EN
V SW , V ITH
Pd1
Pd2
Pd3
-0.3 to +13
-0.3 to +7
-0.3 to +7
-0.3 to +7
2
3
4
V
V
V
V
W
W
W
Power Dissipation 4
Pd4
3.56 *
5
W
Operating temperature range
Storage temperature range
Maximum junction temperature
Topr
Tstg
Tjmax
-40 to +105
-55 to +150
+150
*1
*2
*3
*4
*5
Pd should not be exceeded.
IC only
1-layer. mounted on a 74.2mm × 74.2mm × 1.6mm glass-epoxy board, occupied area by copper foil : 10.29mm 2
4-layer. mounted on a 74.2mm × 74.2mm × 1.6mm glass-epoxy board, 1st and 4th copper foil area : 10.29mm 2 , 2nd and 3rd copper foil area : 5505mm 2
4-layer. mounted on a 74.2mm × 74.2mm × 1.6mm glass-epoxy board, occupied area by copper foil : 5505mm 2 , in each layers
● Recommended Operating Ratings (Ta=-40 to +105 ℃ )
Parameter Symbol
Min.
Ratings
Typ.
Max.
Unit
3.3*
4.0*
Power Supply Voltage
EN Voltage
Logic input voltage
Output voltage Setting Range
SW average output current
V CC
PV CC
V EN
VID<1:0>
V OUT
I SW
2.7
2.7
0
0
0.8
-
3.3
3.3
-
-
-
-
5.5
5.5
5.5
5.5
6
7
V
V
V
V
V
A
Parameter
Symbol
Unit
Conditions
*6 In case set output voltage 1.6V or more, V CCMin = Vout+1.2V.
*7 Pd should not be exceeded.
● Electrical Characteristics
(Ta=25 ℃ V CC =PV CC =3.3V, EN=V CC , VID<1>=VID<0>=0V, R 1 =10k Ω , R 2 =5k Ω , unless otherwise specified.)
Limits
Min. Typ. Max.
Standby current I STB - 0 10 μA EN=GND
Active current
I CC
-
250
500
μA
EN Low voltage
EN High voltage
EN input current
VID Low voltage
VID High voltage
V ENL
V ENH
I EN
V VIDL
V VIDH
-
2.0
-
-
2.0
GND
Vcc
3
GND
Vcc
0.8
-
10
0.8
-
V
V
μA
Standby mode
Active mode
V EN =3.3V
VID input current
Oscillation frequency
I VID
F OSC
-
0.8
3
1
10
1.2
MHz
V VID =3V
High side FET ON resistance
Low side 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
Output Short circuit Threshold Voltage
R ONH
R ONL
V ADJ
I THSI
I THSO
V UVLO1
V UVLO2
T SS
T LATCH
V SCP
-
-
0.788
10
10
2.400
2.425
0.5
0.5
-
60
55
0.800
18
18
2.500
2.550
1
1
0.40
90
85
0.812
-
-
2.600
2.700
2
2
0.56
m Ω
m Ω
V
μA
μA
V
V
ms
ms
V
PV CC =3.3V
PV CC =3.3V
VID<1:0>=(0,0)
V ADJ =1V
V ADJ =0.6V
V CC =3.3V → 0V
V CC =0V → 3.3V
SCP/TSD
V ADJ =0.8V → 0V
www.rohm.com
?2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
3/21
TSZ02201-0J3J0AJ00200-1-2
02.MAR.2012 Rev.001
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