參數(shù)資料
型號(hào)： MC7924
廠商： ON SEMICONDUCTOR
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： 1.0 A Negative Voltage Regulators(1.0 A三端負(fù)固定電壓穩(wěn)壓器)
中文描述： 1.0負(fù)電壓穩(wěn)壓器（1.0甲三端負(fù)固定電壓穩(wěn)壓器）
文件頁數(shù)： 5/16頁
文件大小： 157K
代理商： MC7924
MC7900 Series
http://onsemi.com
5
MC7912B, MC7912C
ELECTRICAL CHARACTERISTICS
(V
I
= 19 V, I
O
= 500 mA, Tlow* < T
J
< +125
°
C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= +25
°
C)
V
O
11.5
12
12.5
Vdc
Line Regulation (Note 4)
(T
J
= +25
°
C, I
O
= 100 mA)
14.5 Vdc
≥
V
I
≥
30 Vdc
16 Vdc
≥
V
I
≥
22 Vdc
(T
J
= +25
°
C, I
O
= 500 mA)
14.5 Vdc
≥
V
I
≥
30 Vdc
16 Vdc
≥
V
I
≥
22 Vdc
Reg
line
13
6.0
55
24
120
60
240
120
mV
Load Regulation, T
J
= +25
°
C (Note 4)
5.0 mA
≤
I
O
≤
1.5 A
250 mA
≤
I
O
≤
750 mA
Reg
load
46
17
240
120
mV
Output Voltage
14.5 Vdc
≥
V
I
≥
27 Vdc, 5.0 mA
≤
I
O
≤
1.0 A, P
≤
15 W
V
O
11.4
12.6
Vdc
Input Bias Current (T
J
= +25
°
C)
I
IB
4.4
8.0
mA
Input Bias Current Change
14.5 Vdc
≥
V
I
≥
30 Vdc
5.0 mA
≤
I
O
≤
1.5 A
I
IB
1.0
0.5
mA
Output Noise Voltage (T
A
= +25
°
C, 10 Hz
≤
f
≤
100 kHz)
V
n
75
V
Ripple Rejection (I
O
= 20 mA, f = 120 Hz)
RR
61
dB
Dropout Voltage (I
O
= 1.0 A, T
J
= +25
°
C)
V
I
V
O
1.3
Vdc
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 mA, Tlow*
≤
T
J
≤
+125
°
C
V
O
/ T
1.0
mV/
°
C
MC7912AC
ELECTRICAL CHARACTERISTICS
(V
I
= 19 V, I
O
= 500 mA, Tlow* < T
J
< +125
°
C, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= +25
°
C)
V
O
11.75
12
12.25
Vdc
Line Regulation (Note 4)
16 Vdc
≥
V
I
≥
22 Vdc; I
O
= 1.0 A, T
J
= +25
°
C
16 Vdc
≥
V
I
≥
22 Vdc; I
O
= 1.0 A
14.8 Vdc
≥
V
I
≥
30 Vdc; I
O
= 500 mA
14.5 Vdc
≥
V
I
≥
27 Vdc; I
O
= 1.0 A, T
J
= +25
°
C
Reg
line
6.0
24
24
13
60
120
120
120
mV
Load Regulation (Note 4)
5.0 mA
≤
I
O
≤
1.5 A, T
J
= +25
°
C
250 mA
≤
I
O
≤
750 mA
5.0 mA
≤
I
O
≤
1.0 A
Reg
load
46
17
35
150
75
150
mV
Output Voltage
14.8 Vdc
≥
V
I
≥
27 Vdc, 5.0 mA
≤
I
O
≤
1.0 A, P
≤
15 W
V
O
11.5
12.5
Vdc
Input Bias Current
I
IB
4.4
8.0
mA
Input Bias Current Change
15 Vdc
≥
V
I
≥
30 Vdc
5.0 mA
≤
I
O
≤
1.0 A
5.0 mA
≤
I
O
≤
1.5 A, T
J
= +25
°
C
I
IB
0.8
0.5
0.5
mA
Output Noise Voltage (T
A
= +25
°
C, 10 Hz
≤
f
≤
100 kHz)
V
n
75
V
Ripple Rejection (I
O
= 20 mA, f = 120 Hz)
RR
61
dB
Dropout Voltage (I
O
= 1.0 A, T
J
= +25
°
C)
V
I
V
O
1.3
Vdc
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 A, Tlow*
≤
T
J
≤
+125
°
C
V
O
/ T
1.0
mV/
°
C
4. Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
*Tlow = 40
°
C for MC7912B and Tlow = 0
°
C for MC7912C.
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC7924ACD2T 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:THREE-TERMINAL NEGATIVE FIXED VOLTAGE REGULATORS
MC7924ACT 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:THREE-TERMINAL NEGATIVE FIXED VOLTAGE REGULATORS
MC7924BD2T 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:THREE-TERMINAL NEGATIVE FIXED VOLTAGE REGULATORS
MC7924BT 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 24V 1A Negative RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L
MC7924BTG 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 24V 1A Negative RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L
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