参数资料
型号: BD9137MUV-E2
厂商: Rohm Semiconductor
文件页数: 3/21页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 4A 20VQFN
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: BD9137MUV-E2DKR
BD9137MUV
● Absolute Maximum Ratings(Ta=25 ℃ )
Datasheet
Parameter
Symbol
Limits
Unit
V CC Voltage
PV CC Voltage
V CC
PV CC
-0.3 to +7 *
-0.3 to +7 *
1
1
V
V
0.34 *
0.70 *
2.21 *
3.56 *
BST Voltage
BST_SW Voltage
EN Voltage
SW,ITH Voltage
Power Dissipation 1
Power Dissipation 2
Power Dissipation 3
Power Dissipation 4
Operating temperature range
Storage temperature range
V BST
V BST - SW
VEN
VSW,
VITH
Pd1
Pd2
Pd3
Pd4
Topr
Tstg
-0.3 to +13
-0.3 to +7
-0.3 to +7
-0.3 to +7
2
3
4
5
-40 to +105
-55 to +150
V
V
V
V
W
W
W
W
Maximum junction temperature Tjmax +150 ℃
* 1 Pd should not be exceeded.
* 2 IC only
* 3 1-layer. mounted on a 74.2mm × 74.2mm × 1.6mm glass-epoxy board, occupied area by copper foil : 10.29mm 2
* 4 4 layers, mounted on a board 74.2mm × 74.2mm × 1.6mm Glass-epoxy PCB (1 st ,4 th Copper foil area : 10.29mm 2 2 nd ,3 rd Copper foil area : 5505mm 2 )
* 5 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.
Typ.
Max.
Unit
Power Supply Voltage
3.3*
4.0*
V CC
PV CC
EN Voltage VEN
Output voltage Setting Range V OUT
SW average output current I SW
* 6 In case set output voltage 1.6V or more, VccMin = Vout +1.2V .
* 7 Pd should not be exceeded.
2.7
2.7
0
0.8
-
3.3
3.3
-
-
-
5.5
5.5
5.5
6
7
V
V
V
V
A
● Electrical Characteristics
BD9137MUV  (Ta=25 V CC =P V CC =3.3V, EN=V CC , R 1 =10k Ω , R 2 =5k Ω , unless otherwise specified.)
Parameter
Standby current
Active current
EN Low voltage
EN High voltage
EN input current
PWM Low voltage
PWM High voltage
PWM input current
Oscillation frequency
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
Hiccup delay
Cool down time
Output Short circuit
Threshold Voltage
Symbol
I STB
I CC
V ENL
V ENH
I EN
V PWML
V PWMH
I PWM
F OSC
R ONH
R ONL
V ADJ
I THSI
I THSO
V UVLO1
V UVLO2
T SS
T HP
T CD
V SCP
Min.
-
-
-
2.0
-
-
2.0
-
0.8
-
-
0.788
10
10
2.400
2.425
2.5
0.5
8
-
Typ.
0
250
GND
Vcc
2
GND
Vcc
2
1
82
70
0.800
18
18
2.500
2.550
5
1
16
0.40
Max.
10
500
0.8
-
10
0.8
-
10
1.2
115
98
0.812
-
-
2.600
2.700
10
2
32
0.56
Unit
μA
μA
V
V
μA
V
V
μA
MHz
m Ω
m Ω
V
μ A
μ A
V
V
ms
Ms
ms
V
Conditions
EN=GND
Standby mode
Active mode
V EN =3.3V
SLLM & PWM mode
PWM mode
V PWM =3.3V
PV CC =3.3V
PV CC =3.3V
V ADJ =1V
V ADJ =0.6V
V CC =3.3V → 0V
V CC =0V → 3.3V
V ADJ =0.8V → 0V
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?2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
3/19
TSZ02201-0J3J0AJ00160-1-2
02.MAR.2012 Rev.001
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