Electrical Characteristics 電氣特性 (MC7912)
(VI = -18V, IO = 500mA, 0℃ ≤TJ ≤ +125℃, CI =2.2μF, CO =1μF, unless otherwise specified.)
Parameter 參數(shù)
Symbol 符號(hào)
Conditions 條件
最小. 典型. 最大. 單位
Output Voltage 輸出電壓 VO TJ=+25℃ -11.5 -12 -12.5 V
IO = 5mA to 1A, PO ≤ 15W VI = -15.5V to -27V -11.4 -12 -12.6
Line Regulation 線性調(diào)整率(Note1) ΔVO TJ=+25℃ VI = -14.5V to -30V - 12 240 mV
VI = -16V to -22V - 6 120
Load Regulation 負(fù)載調(diào)整率(Note1) (Note1) ΔVO TJ=+25℃ IO = 5mA to 1.5A - 12 240 mV
TJ =+25℃ IO = 250mA to 750mA - 4 120
Quiescent Current 靜態(tài)電流 IQ TJ =+25℃ - 3 6 mA
Quiescent Current Change 靜態(tài)電流變化 ΔIQ IO = 5mA to 1A - 0.05 0.5 mA
VI = -15V to -30V - 0.1 1
Temperature Coefficient of VD 溫度系數(shù) ΔVo/ΔT IO = 5mA - -0.8 - mV/℃
Output Noise Voltage 輸出噪聲電壓 VN f = 10Hz to 100KHz TA =+25℃ - 200 - μV
Ripple Rejection 紋波抑制 RR f = 120Hz ΔVI = 10V 54 60 - dB
Dropout Voltage 電壓差 VD TJ=+25℃ IO = 1A - 2 - V
Short Circuit Current 短路電流 ISC TJ =+25℃, VI = -35V - 300 - mA
Peak Current 峰值電流 IPK TJ =+25℃ - 2.2 - A
三端穩(wěn)壓集成電路極限參數(shù): Parameter 參數(shù)
Symbol 符號(hào)
Value 數(shù)值
單位
Input Voltage輸入電壓
(for VO =5V to 18V)
VI
35
V
(for VO =24V)
VI
40
V
Thermal Resistance Junction-Cases 熱阻(結(jié)到殼) (TO-220)
RθJC
5
℃/W
Thermal Resistance Junction-Air熱阻(結(jié)到空氣) (TO-220)
RθJA
65
℃/W
Operating Temperature Range工作溫度范圍
TOPR
0 ~ +125
℃
Storage Temperature Range儲(chǔ)存溫度范圍
TSTG
-65 ~ +150
℃
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資料錄入:潤(rùn)百年@電源管理IC
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