参数资料
| 型号： | NCV317MBSTT3G |
| 厂商： | ON Semiconductor |
| 文件页数： | 3/14页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .5A SOT-223-4 |
| 标准包装： | 4,000 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 1.2 V ~ 37 V |
| 输入电压： | 最高 40 V |
| 稳压器数量： | 1 |
| 电流 - 输出： | 500mA（最小） |
| 电流 - 限制（最小）： | 500mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-261-4，TO-261AA |
| 供应商设备封装： | SOT-223 |
| 包装： | 带卷 (TR) |
LM317M, NCV317MA, NCV317M
ELECTRICAL CHARACTERISTICS (V I ? V O = 5.0 V; I O = 0. 1 A, T J = T low to T high (Note 7), unless otherwise noted.)
LM317MA/LM317MAB/NCV317MAB
Characteristics
Figure
Symbol
Min
Typ Max
Unit
Line Regulation (Note 8) (T A = 25 ° C, 3.0 V ≤ V I ? V O ≤ 40 V)
Load Regulation (Note 8)
T A = 25 ° C, 10 mA ≤ I O ≤ 0.5 A
V O ≤ 5.0 V
V O ≥ 5.0 V
Adjustment Pin Current
Adjustment Pin Current Change
2.5 V ≤ V I ? V O ≤ 40 V, 10 mA ≤ I L ≤ 0.5 A, P D ≤ P max
Reference Voltage
3.0 V ≤ V I ? V O ≤ 40 V, 10 mA ≤ I L ≤ 0.5 A, P D ≤ P max
Line Regulation (Note 8)
3.0 V ≤ V I ? V O ≤ 40 V
Load Regulation (Note 8)
10 mA ≤ I O ≤ 0.5 A
V O ≤ 5.0 V
V O ≥ 5.0 V
Temperature Stability (T low ≤ T J ≤ T high )
Minimum Load Current to Maintain Regulation (V I ? V O = 40 V)
Maximum Output Current
V I ? V O ≤ 15 V, P D ≤ P max
V I ? V O = 40 V, P D ≤ P max , T A = 25 ° C
RMS Noise, % of V O (T A = 25 ° C, 10 Hz ≤ f ≤ 10 kHz)
Ripple Rejection, V O = 10 V, f = 120 Hz (Note 9)
Without C Adj
C Adj = 10 m F
Thermal Shutdown (Note 10)
Long ? Term Stability, T J = T high (Note 11)
T A = 25 ° C for End ? point Measurements
?
?
Reg line
Reg load
I Adj
D I Adj
V ref
Reg line
Reg load
T S
I Lmin
I max
N
RR
?
S
?
?
?
?
?
1.225
?
?
?
?
?
0.5
0.15
?
?
66
?
?
0.01
5.0
0.1
50
0.2
1.250
0.02
20
0.3
0.7
3.5
0.9
0.25
?
65
80
180
0.3
0.04
25
0.5
100
5.0
1.275
0.07
70
1.5
?
10
?
?
?
?
?
?
1.0
%/V
mV
% V O
m A
m A
V
%/V
mV
% V O
% V O
mA
A
% V O
dB
° C
%/1.0
kHrs.
7. T low to T high = 0 ° to +125 ° C for LM317MA T low to T high = ? 40 ° to +125 ° C for LM317MAB, NCV317MAB.
8. 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.
9. C Adj , when used, is connected between the adjustment pin and ground.
10. Thermal characteristics are not subject to production test.
11. Since Long ? Term Stability cannot be measured on each device before shipment, this specification is an engineering estimate of average
stability from lot ? to ? lot.
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