参数资料
型号: IR3853MTR1PBF
厂商: International Rectifier
文件页数: 7/35页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 4A PQFN17
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 ~ 1.65MHz
电流 - 输出: 4A
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: 17-PowerVQFN
包装: 标准包装
供应商设备封装: 17-PQFN(4x5)
其它名称: IR3853MTR1PBFDKR
PD-97516
IR3853MPbF
Electrical Specifications
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
SYMBOL
TEST CONDITION
MIN
TYP
MAX
UNIT
FAULT PROTECTION
Fs=250kHz
20.8
23.6
26.4
OCSET Current
I OCSET
Fs=500kHz
43
48.8
54.6
uA
Fs=1500kHz
136
154
172
OC comp Offset Voltage
V OFFSET
Note4
-10
0
+10
mV
SS off time
SS_Hiccup
4096
Cycles
OVP Trip Threshold
OVP Fault Prop. Delay
OVP(trip)
OVP(delay)
Vsns Rising
Note4
110
115
120
150
%Vref
ns
Thermal Shutdown
Note4
140
Thermal Hysteresis
Note4
20
°C
V CC -Start-Threshold
V CC -Stop-Threshold
V CC _UVLO_Start
V CC _UVLO_Stop
Vcc Rising Trip Level
Vcc Falling Trip Level
3.95
3.65
4.15
3.85
4.35
4.05
V
INPUT/OUTPUT SIGNAL
Enable-Start-Threshold Enable_UVLO_Start
Supply ramping up
1.14
1.2
1.36
Enable-Stop-Threshold
Enable leakage current
Power Good Threshold
PGood Comparator Delay
PGood Delay Comparator
Enable_UVLO_Stop
Ien
VPG
PG(Delay)
SS(Delay)
Supply ramping down
Enable=3.3V
Vsns Rising
Vsns Rising
Relative to charge voltage,
0.9
80
2
1.0
85
256/Fs
2.1
1.06
15
90
2.3
V
uA
%Vref
s
V
Threshold
SS rising
PGood Delay Comparator
Delay(SShys)
Note4
260
300
340
mV
Hysteresis
PGood Leakage Current
PGood Voltage Low
I(PGDlk)
PG(voltage)
I Pgood =-5mA
0
10
0.5
uA
V
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 4.0
7
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