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lm7812
闁辫畝锛�5148鏅傞枔锛�2017-12-05 10:02:14

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lm7812

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瑭崇窗(x矛)鍙冩暩(sh霉)

Parameter 鍙冩暩(sh霉)
Symbol 绗﹁櫉
Conditions 姊濅欢
鏈�灏�
鍏稿瀷
 鍠綅
Output Voltage 杓稿嚭闆诲
VO
TJ =+25鈩�
11.5
12
12.5
V
5.0mA 鈮� IO鈮�1.0A, PO鈮�15W VI =14.5V to 27V
11.4
12
12.6
Line Regulation 绶氭�ц(di脿o)鏁寸巼 (Note1)
Regline
TJ =+25鈩�
VI =14.5V to 30V
-
10
240
mV
VI =16V to 22V
-
3.0
120
Load Regulation 璨�(f霉)杓夎(di脿o)鏁寸巼 (Note1)
Regload
TJ =+25鈩�
IO =5mA to 1.5A
-
11
240
mV
IO =250mA to 750mA
-
5.0
120
Quiescent Current 闈滄厠(t脿i)闆绘祦
IQ
TJ =+25鈩�
-
5.1
8.0
mA
Quiescent Current Change 闈滄厠(t脿i)闆绘祦璁婂寲
螖IQ
IO =5mA to 1.0A
-
0.1
0.5
mA
VI =14.5V to 30V
-
0.5
1.0
Output Voltage Drift 杓稿嚭闆诲婕傜Щ
螖VO/螖T
IO =5mA
-
-1
-
mV/鈩�
Output Noise Voltage 杓稿嚭鍣伈闆诲
VN
f =10Hz to 100KHz, TA =+25鈩�
-
76
-
渭V/Vo
Ripple Rejection 绱嬫尝鎶戝埗
RR
f =120Hz VI =15V to 25V
55
71
-
dB
Dropout Voltage 闆诲宸�
VDrop
IO =1A, TJ=+25鈩�
-
2
-
V
Output Resistance 杓稿嚭闆婚樆
rO
f =1KHz
-
18
-
m惟
Short Circuit Current 鐭矾闆绘祦
ISC
VI =35V, TA=+25鈩�
-
230
-
mA
Peak Current 宄板�奸浕娴�
IPK
TJ =+25鈩�
-
2.2
-
A
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Parameter 鍙冩暩(sh霉)
Symbol 绗﹁櫉
Value
鍠綅
Input Voltage杓稿叆闆诲
VI (for VO =5V to 18V)
 35 V
(for VO =24V)
VI
40
V
Thermal Resistance Junction-Cases 鐔遍樆(绲�(ji茅)鍒版) (TO-220)
R胃JC
5
鈩�/W
Thermal Resistance Junction-Air鐔遍樆(绲�(ji茅)鍒扮┖姘�) (TO-220)
R胃JA
65
鈩�/W
Operating Temperature Range宸ヤ綔婧害鑼冨湇
TOPR
0 ~ +125
鈩�
Storage Temperature Range鍎插瓨婧害鑼冨湇
TSTG
-65 ~ +150
鈩�

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