参数资料
型号: IR3843AMTR1PBF
厂商: International Rectifier
文件页数: 7/33页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 3A 15QFN
产品培训模块: SupIRBuck? Family and POL Design Tools Overview
标准包装: 1
系列: SupIRBuck™
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.7 V ~ 18.9 V
输入电压: 1.5 V ~ 21 V
PWM 型: 电压模式
频率 - 开关: 225kHz ~ 1.32MHz
电流 - 输出: 3A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 15-PowerVQFN
包装: 标准包装
供应商设备封装: PQFN(5x6)
其它名称: IR3843AMTR1PBFDKR
PD-97509
IR3843AMPbF
Electrical Specifications (continued)
Unless otherwise specified, these specification apply over 4.5V< V cc <5.5V, V in =12V, 0 o C<T j < 125 o C.
Typical values are specified at T a = 25 o C.
Parameter
SYM
Test Condition
Min
TYP
MAX
Units
Thermal Shutdown
C
Thermal Shutdown
Hysteresis
Note4
Note4
140
20
o
Power Good
Power Good upper
VPG(upper)
Fb Rising
0.77
0.805
0.840
V
Threshold
Upper Threshold
VPG(upper)_Dly
Fb Rising
256/Fs
s
Delay
Power Good lower
VPG(lower)
Fb Falling
0.560
0.595
0.630
V
Threshold
Lower Threshold
VPG(lower)_Dly
Fb Falling
256/Fs
s
Delay
Delay Comparator
PG(Delay)
Relative to charge voltage, SS rising
2
2.1
2.3
V
Threshold
Delay Comparator
Delay(hys)
Note4
260
300
340
mV
Hysteresis
PGood Voltage Low
Leakage Current
PG(voltage)
I leakage
I PGood =-5mA
0
0.5
10
V
μ A
Switch Node
SW Bias Current
SW=0V, Enable=0V
Isw
SW=0V,Enable=high,SS=3V,Vseq=0V
6
μ A
, Note4
Note3: Cold temperature performance is guaranteed via correlation using statistical quality control. Not tested in production.
Note4: Guaranteed by Design but not tested in production.
Note5: Upgrade to industrial/MSL2 level applies from date codes 1227 (marking explained on application note AN1132 page 2).
Products with prior date code of 1227 are qualified with MSL3 for Consumer market.
Rev 16.0
7
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