参数资料
型号: IRU3039CHTR
厂商: International Rectifier
文件页数: 2/22页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 20-MLPQ
标准包装: 1
PWM 型: 电压模式
输出数: 1
频率 - 最大: 400kHz
占空比: 88%
电源电压: 4.75 V ~ 20 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 70°C
封装/外壳: 20-MLPQ
包装: 剪切带 (CT)
其它名称: *IRU3039CHTR
IRU3039CHTRCT
IRU3039(PbF)
ABSOLUTE MAXIMUM RATINGS
Vcc Supply Voltage .................................................. -0.5V To 25V
Vc Supply Voltage .................................................... -0.5V To 25V
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature Range ..................... 0°C To 125°C
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device.
PACKAGE INFORMATION
20-Pin MLPQ 5x5 (H)
* θ JA =37 C/W
20
19
18
17
16
θ JC =2.3 C/W
V REF 1
15 V OUT2
NC
2
14 NC
*Exposed pad on
NC
3
Pad
13 NC
underside is con-
nected to a typical 1"
Vcc 4
NC 5
6
7
8
9
10
12 Rt
11 NC
square copper pad
through vias for 4-
layer PCB board
design.
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, specifications apply over Vcc=5V, Vc=12V and T A =0-70°C. Typical values refer to 25 C.
Low duty cycle pulse testing is used which keeps junction and case temperatures equal to the ambient temp.
PARAMETER
SYM
TEST CONDITION
MIN
TYP
MAX
UNITS
Feedback Voltage
Fb Voltage Initial Accuracy
Fb Voltage Line Regulation
V FB
L REG
4.75V<Vcc<20V
0.784
0.800
0.3
0.816
V
%
Reference Voltage
Ref Voltage Initial Accuracy
Drive Current
V REF
I REF
Note 1
0.784
0.8
2
0.816
V
μ A
UVLO
UVLO Threshold - Vcc
UVLO Hysteresis - Vcc
UVLO V CC Supply Ramping Up
4.4
0.26
V
V
UVLO Threshold - Vc
UVLO Hysteresis - Vc
UVLO V C
Supply Ramping Up
3.47
0.20
V
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 I CC
Dyn I C
I CCQ
I CQ
Freq=200KHz, C L =1500pF
Freq=200KHz, C L =1500pF
SS=0V
SS=0V
7
7
5
3
15
9
9
4
mA
mA
mA
mA
2
www.irf.com
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