参数资料
型号: IR3837MTRPBF
厂商: International Rectifier
文件页数: 6/36页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 14A PQFN17
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: 0.6 V ~ 14.4 V
输入电压: 1.5 V ~ 16 V
PWM 型: 电压模式
频率 - 开关: 225kHz ~ 1.65MHz
电流 - 输出: 14A
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-VQFN
包装: 带卷 (TR)
供应商设备封装: 17-PQFN(5x6)
IR3837MPbF
Electrical Specifications (continued)
Unless otherwise specified, these specification apply over, 7.0V<V in =PVin<16V, Vref=0.6V
in 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
ERROR AMPLIFIER
Vos_Vp
Vfb-Vp, Vp=0.6V, Vref >2.0V
-1
+1
Input Offset Voltage
Input Bias Current
Input Bias Current
Vos_Vref
IFb(E/A)
IVp(E/A)
Vfb-Vref, Vref=0.6V, Vp>2.0V
-1
-1
-1
1
+1
+1
%
? A
? A
Sink Current
Source Current
Isink(E/A)
Isource(E/A)
0.40
8
0.85
10
1.2
13
mA
mA
Slew Rate
Gain-Bandwidth Product
DC Gain
Maximum Voltage
Minimum Voltage
SR
GBWP
Gain
Vmax(E/A)
Vmin(E/A)
Note4
Note4
Note4
7
20
100
3.4
12
30
110
3.5
150
20
40
120
3.75
220
V/ ? s
MHz
dB
V
mV
Common Mode Voltage
0
1.2
V
OSCILLATOR
Rt Voltage
Rt=59K
0.665
225
0.7
250
0.735
275
V
Frequency Range
F S
Rt=28.7K
Rt=9.53K, Note4
450
1350
500
1500
550
1650
kHz
Ramp Amplitude
Ramp Offset
Min Pulse Width
Max Duty Cycle
Fixed Off Time
Vramp
Ramp(os)
Dmin(ctrl)
Dmax
Note4
Note4
Note4
Fs=250kHz
Note4
91
1.8
0.6
70
300
Vp-p
V
ns
%
ns
Sync Frequency Range
20% above free running
225
1650
kHz
frequency
Sync Pulse Duration
Sync Level Threshold
Sync High
Sync Low
100
2
200
0.6
ns
V
REFERENCE VOLTAGE
0 C<Tj<125 C
-40 C<Tj<125 C, Note3
Feedback Voltage
Accuracy
VFB
Vref pin floating, Vp=Vcc
o o
o o
-1.0
-2.0
0.6
+1.0
+2.0
V
%
Vref margining voltage
Vref_marg
0.54
1.2
V
Sink Current
Source Current
Isink_Vref
Isource_Vref
Vref=0.7V
Vref=0.5V
19
19
25
25
μA
μA
Tracker Comparator Threshold
Tracker(upper)
Vref pulled up externally
1.35
1.5
1.6
Tracker(lower)
Vref pulled up externally
1.05
1.2
1.3
V
Tracker Comparator
Tracker_Hys
Vref pulled up externally
220
300
420
mV
Hysteresis
Rev 1.31
6
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