参数资料
型号: IRDC3837
厂商: International Rectifier
文件页数: 7/36页
文件大小: 0K
描述: KIT EVAL REG 14A SUPIRBUCK DC/DC
标准包装: 1
系列: SupIRBuck™
主要目的: DC/DC,LDO 步降
输出及类型: 1,非隔离
输出电压: 1.8V
电流 - 输出: 14A
输入电压: 12V
稳压器拓扑结构: 降压
频率 - 开关: 600kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: IR3837
IR3837MPbF
Electrical Specifications (continued)
PARAMETER
SYMBOL
TEST CONDITION
MIN
TYP
MAX
UNIT
FAULT PROTECTION
Fs=250kHz
10.4
11.8
13.2
OCSET Current
I OCSET
Fs=500kHz
21.5
24.4
27.3
μA
Fs=1500kHz
68
77
86
OC comp Offset Voltage
V OFFSET
Note4
-6
0
+6
mV
SS off time
Thermal Shutdown
SS_Hiccup
Note4
4096
140
Cycles
Thermal Hysteresis
Note4
20
°C
UNDER VOLTAGE LOCKOUT
V CC -Start-Threshold V CC _UVLO_Start
V CC -Stop-Threshold V CC _UVLO_Stop
Vcc Rising Trip Level
Vcc Falling Trip Level
4.06
3.76
4.26
3.96
4.46
4.16
V
Enable-Start-Threshold
Enable_UVLO_Start
Supply ramping up
1.14
1.2
1.36
Enable-Stop-Threshold
Enable leakage current
Enable_UVLO_Stop
Ien
Supply ramping down
Enable=3.3V
0.75
0.85
0.95
10
V
μA
PGOOD
Power Good upper Threshold
Upper Threshold Delay
Power Good lower Threshold
Lower Threshold Delay
Soft Start Delay Time
PGood Voltage Low
Tracker Comparator Upper
Threshold
Tracker Comparator Lower
VPG(upper)
VPG(upper)_Dly
VPG(lower)
VPG(lower)_Dly
Tdelay(Delay)
PG(voltage)
VPG(tracker_upper)
VPG(tracker_lower)
Fb Rising, Vref < 1.2V
Fb Rising, Vref > 1.5V
Fb Falling
Fb Rising, Vref < 1.2V
Fb Rising, Vref > 1.5V
Fb Rising
Note4
I Pgood =-5mA
Vp Rising, Vref > 1.5V
Vp Falling, Vref > 1.5V
115
115
256/Fs
85
85
256/Fs
10
0.5
0.3
0.5
%Vref
%Vp
s
%Vref
%Vp
s
ms
V
V
Threshold
Tracker Comparator Delay
Tdelay(tracker)
Vp Rising, Vref > 1.5V
256/Fs
s
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 1141 (marking explained on application note AN1132 page 2).
Products with prior date code of 1141 are qualified with MSL3 for Consumer market.
Rev 1.31
7
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