参数资料
型号: IR3637STRPBF
厂商: International Rectifier
文件页数: 2/21页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 8-SOIC
标准包装: 1
PWM 型: 电压模式
输出数: 1
频率 - 最大: 440kHz
占空比: 85%
电源电压: 4.5 V ~ 5.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 125°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 标准包装
配用: IRPP3637-12A-ND - KIT REF DES 12A 1PH SYNC BUCK
IRDC3637-ND - BOARD EVAL SYNC BUCK REGULATOR
其它名称: IR3637STRPBFDKR
IR3637SPBF
ABSOLUTE MAXIMUM RATINGS
Vcc Supply Voltage ................................................
Vc Supply Voltage ..................................................
Storage Temperature Range .....................................
Operating Junction Temperature Range .....................
ESD Classification .................................................
Moisture Sensitivity Level ........................................
16V
25V
-65°C To 150°C
0°C To 125°C
HMB Class 2 (2KV) JEDEC Standard
JEDEC Level 1 @ 260°C
Caution: Stresses above those listed in “Absolute Maximum Rating” may cause permanent damage to the device. These are stress
ratings only and function of the device at these or any other conditions beyond those indicated in the operational sections of the specifica-
tions is not implied. Exposure to “Absolute Maximum Rating” conditions for extended periods may affect device reliability
PACKAGE INFORMATION
Recommended Operating Conditions
Parameter
Min
Max
Units
Fb 1
Vcc 2
8 SS/SD
7 Comp
Vcc
Vc
4.5
8
5.5
14
V
V
LDrv 3
Gnd 4
6 Vc
5 HDrv
θ JA =154 ° C/W
θ JC =41.2 ° C/W
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over Vcc=5V, Vc=12V and 0°C<Tj<125°C.
PARAMETER
SYM
TEST CONDITION
MIN
TYP
MAX
UNITS
Feedback Voltage
Fb Voltage
Fb Voltage Line Regulation
V FB
L REG
25°C<Tj<75°C
0°C<Tj<125°C
4.5<Vcc<5.5
0.792
0.789
0.800
0.800
0.808
0.811
0.1
V
V
%
UVLO
UVLO Threshold - Vcc
UVLO Vcc
Supply Ramping Up
4.0
4.2
4.4
V
UVLO Hysteresis - Vcc
0.25
V
UVLO Threshold - Vc
UVLO Vc
Supply Ramping Up
3.1
3.3
3.5
V
UVLO Hysteresis - Vc
0.2
V
UVLO Threshold - Fb
UVLO Fb
Fb Ramping Down
0.3
0.4
0.5
V
Supply Current
Vcc Dynamic Supply Current
Vc Dynamic Supply Current
Vcc Static Supply Current
Vc Static Supply Current
Dyn Icc
Dyn Ic
I CCQ
I CQ
Freq=400kHz, C L =1500pF
Freq=400kHz, C L =1500pF
SS=0V
SS=0V
4
6
1
0.5
8
15
3.3
1
16
20
6
4.7
mA
mA
mA
mA
Soft-Start Section
Charge Current
Shutdown Threshold
SS IB
SD
SS=0V
Note1
-15
-25
-35
0.4
μ A
V
Note1: Guaranteed by design. Not production tested.
2
www.irf.com
Rev.1.1
06/16/05
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