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参数资料
| 型号： | IR3876MTRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 8/21页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 12A 17QFN |
| 产品培训模块： | SupIRBuck? Family and POL Design Tools Overview |
| 标准包装： | 4,000 |
| 系列： | SupIRBuck™ |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.5 V ~ 12 V |
| 输入电压： | 3 V ~ 21 V |
| 频率 - 开关： | 可调至 1MHz |
| 电流 - 输出： | 12A |
| 同步整流器： | 是 |
| 工作温度： | 0°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 17-PowerVQFN |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | PQFN（5x6） |
IR3876MPBF
TYPICAL APPLICATION CIRCUIT
Demoboard Schematic: VOUT = 1.05V, Fs = 300kHz
+3.3V
VCC
R1
+Vins
TP1
VINS
R2
10K
TP3
FCCM
open
VIN
TP2
VIN
TP4
EN
SW1
EN
FCCM
R3
200K
+Vin1s
TP20
+Vin1s
C1
1uF
C2
22uF
+ C3
68uF
TP5
PGND
EN / FCCM
VSW
R4
7.87K
ISET
C4
0.1uF
L1
-Vins
TP6
PGNDS
TP23
+Vsws
1.0uH
U1
IR3876
VSW
VOUT
TP7
VOUT
+3.3V
R5
10K
C5
open
1
2
NC
ISET
R6
open
C13
open
C6
open
C7
open
C8
open
C9
330uF
C10
47uF
C11
open
C12
0.1uF
2
5 TP8
VOUTS
TP11
PGOOD
PGOOD
3
4
PGOOD
GND1
IR3876
PHASE
12
TP22
TP9
+Vout1s
TP10
PGND
TP13
SS
FB
SS
C20
0.1uF
5
6
7
FB
SS
NC1
2
5
+Vsws
TP12
VSWS
C15
open
C16
open
C17
open
C18
open
C19
open
C26
open
C27
open
TP24
+Vsws
TP21
-Vsws
TP14
+3.3V
TP26
AGND
+3.3V
+Vdd2s
-Vdd2s
C21
1uF
-Vout1s
+Vdd1s
TP15
-Vout1s
TP25
-Vin1s
TP16
VCC
VCC
C23
C25
1uF
C22
open
-Vdd1s
C14
open
R7
2.80K
C24
open
TP18
VOLTAGE SENSE
TP17
open
PGND
R11
TP19
open
FB
R12
open
R8
R13
R14
R9
2.55K
open
open
0
R10
open
Figure 7. Typical Application Circuit for VOUT = 1.05V, Fs = 300kHz
Bill of Materials
Quantity
3
1
1
1
1
3
1
2
1
1
1
1
1
1
1
Reference
C1, C21, C25
C2
C3
C9
C10
C4, C12, C20
L1
R2, R5
R9
R3
R4
R7
R8
SW1
U1
Value
1uF
22uF
68uF
330uF
47uF
0.1uF
1uH
10K
0
200K
7.87K
2.8K
2.55K
SPST
IR3876
Description
CAP,CER,1.0uF,25V,X7R,0603
CAP,22uF,25V,CERAMIC,X5R,1210
CAP,68uF,25V,ELECT,FK,SMD
SP-CAP, 330uF, 2V, 4.5m Ω , 20%
CAP,CER,47uF,6.3V,X5R,0805
CAP,CER,0.1uF,50V,10%,X7R,0603
INDUCTOR, 1uH, 20A, 2.7m Ω ,SMD
RES,10.0k Ω ,1/10W,1%,0603,SMD
RES,0 Ω ,1/10W,1%,0603,SMD
RES,200k Ω ,1/10W,1%,0603,SMD
RES,7.87k Ω ,1/10W,1%,0603,SMD
RES,2.8k Ω ,1/10W,1%,0603,SMD
RES,2.55k Ω ,1/10W,1%,0603,SMD
SWITCH, DIP, SPST, SMT
5mm x 6mm QFN
Manufacturer
Murata Electronics
Panasonic
Panasonic
Panasonic
TDK
TDK
CYNTEC
Vishay/Dale
Vishay/Dale
Vishay/Dale
Vishay/Dale
Vishay/Dale
Vishay/Dale
C&K Components
IR
Part-Number
GRM188R71E105KA12D
ECJ-4YB1E226M
EEV-FK1E680P
EEF-SX0D331E4
C2012X5R0J476M
C1608X7R1H104K
PIMB103E-1R0MS-39
CRCW060310K0FKEA
CRCW06030000Z0EAHP
CRCW0603200KFKEA
CRCW06037K87FKEA
CRCW06032K80FKEA
CRCW06032K55FKEA
SD02H0SK
IR3876MPBF
8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IR3876TR1PBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:12A HIGHLY INTEGRATED WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR |
| IR3891 | 制造商:IRF 制造商全称:International Rectifier 功能描述:Dual output, 4A/Phase, Highly Integrated SupIRBuck |
| IR3891MPBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:Dual output, 4A/Phase, Highly Integrated SupIRBuck |
| IR3891MTR1PBF | 功能描述:直流/直流开关调节器 4A Phase Dual Reg Single 5V to 21V PWM RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量:2 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:PQFN 5 x 6 |
| IR3891MTRPBF | 制造商:International Rectifier 功能描述:Dual Output 4 A/Phase 1 to 21 V 1.5 MHz Synchronous Buck Regulator-PQFN 5 x 6 mm |
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