参数资料
型号: KA78RM33RTF
厂商: Fairchild Semiconductor
文件页数: 3/7页
文件大小: 0K
描述: IC REG LDO 3.3V .5A DPAK
标准包装: 1
稳压器拓扑结构: 正,固定式
输出电压: 3.3V
输入电压: 最高 20V
稳压器数量: 1
电流 - 输出: 500mA(最小值)
工作温度: -25°C ~ 125°C
安装类型: 表面贴装
封装/外壳: TO-252-3,DPak(2 引线+接片),SC-63
供应商设备封装: TO-252-3
包装: 标准包装
其它名称: KA78RM33RTFFSDKR
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be opera-
ble above the recommended operating conditions and stressing the parts to these levels is not recommended. In addi-
tion, extended exposure to stresses above the recommended operating conditions may affect device reliability. The
absolute maximum ratings are stress ratings only. Values are at T A = 25°C unless otherwise noted.
Symbol
V IN
I O
R θ JA
P D
T J
T OPR
Parameter
Input Voltage
Output Current
Thermal Resistance Junction-Air
Power Dissipation
Junction Temperature
Operating Temperature
Value
20
0.5
110
Interally limited
150
-25 ~ +125
Remark
No Heatsink
Unit
V
A
° C/W
° C
° C
Electrical Characteristics
Values are at T A = 25°C, V IN = 5 V, I O = 0.25 A unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ. Max.
Unit
V OUT
R LOAD
R LINE
Output Voltage
Load Regulation
Line Regulation
I O =10 mA
5 mA < I O < 0.5 A
4.3 V < V IN < 16 V
3.22
3.30
2.0
2.0
3.38
20
20
V
mV
mV
R R
V DROP
Ripple Rejection Ratio
Dropout Voltage
f = 120 Hz, V IN =5 V ± 0.5 V RMS
I O = 0.5 A
55
0.6
dB
V
I Q
Quiescent Current
I O = 0 A
5.0
10
mA
I PK
V N
Δ V OUT / Δ T
Peak Current
Output Noise Voltage
Temperature Coefficient of Output
Voltage
V IN = 5 V
10 Hz < f < 100 kHz
-25°C < T J < 125°C, I O = 100 mA
0.5
1.0
50
-0.2
A
μ V RMS
mV /°C
? 2002 Fairchild Semiconductor Corporation
KA78RM33R Rev. 1.1.1
3
www.fairchildsemi.com
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