参数资料
| 型号： | CAT6243-ADJCMT5T |
| 厂商： | ON Semiconductor |
| 文件页数： | 4/16页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 1A 6WDFN |
| 标准包装： | 3,000 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 0.8 V ~ 5 V |
| 输入电压： | 1.8 V ~ 5.5 V |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1A |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | * |
CAT6243
Table 5. ELECTRICAL CHARACTERISTICS (V IN = (V OUT + 1 V) or V IN_MIN , whichever is higher, C IN = 1 m F, C OUT = 2.2 m F, for
typical values T A = 25 ° C, for Bold values T A = ? 40 ° C to 85 ° C; unless otherwise noted.)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
INPUT / OUTPUT
V OUT
Output Voltage Range
CAT6243 ? ADJ
CAT6243DC
0.8
0.8
4.5
5.0
V
V OUT ? ACC
Output Voltage Accuracy
CAT6243 ? ADJ
CAT6243DC
CAT6243DC
Initial accuracy, I OUT = 1 mA
? 2
? 2
? 3
+2
+2
+3
%
V ADJ
TC OUT
I OUT
Voltage at ADJ input
Output Voltage Temp. Coefficient
CAT6243 ? ADJ
CAT6243DC
Output Current
0.784
0.0001
0.8
25
50
1
0.816
V
ppm/ ° C
A
V R ? LINE
Line Regulation
V IN = V OUT + 1.0 V to
V IN(max) , I OUT = 10 mA
? 0.2
± 0.05
0.2
%/V
V IN = V OUT + 1.0 V to
V IN(max) , I OUT = 10 mA
? 0.35
0.35
V R ? LOAD
Load Regulation
I OUT = 100 m A to 1000 mA
1.5
2
%
I OUT = 100 m A to 1000 mA
3
V DO
V OUT = 1.2 V
V OUT = 2.5 V
CAT6243 ? ADJ
CAT6243DC
I OUT = 300 mA
T A = 25 ° C
600
110
130
mV
V OUT = 3.3 V
85
V OUT = 1.2 V
V OUT = 2.5 V
V OUT = 3.3 V
CAT6243 ? ADJ
CAT6243DC
CAT6243 ? ADJ
CAT6243DC
I OUT = 1 A
T A = 25 ° C
625
650
350
400
275
I ADJ
ADJ Input Current
100
nA
I GND
Ground Current
I OUT = 0 m A
70
m A
I OUT = 0 m A
100
I OUT = 1000 mA
I OUT = 1000 mA
140
200
250
I GND ? SD
ISC
Shutdown Ground Current
CAT6243 ? ADJ
CAT6243DC
Output short circuit current limit
V EN < 0.4 V
V OUT = 0 V
900
2
5
m A
mA
PSRR AND NOISE
PSRR
Power Supply Rejection Ratio
CAT6243
f = 1 kHz, BYP = 470 pF,
I OUT = 10 mA
54
dB
f = 20 kHz, BYP = 470 pF,
I OUT = 10 mA
42
e N
Output Noise Voltage for 1.8 V output
BW = 10 Hz to 100 kHz
BYP = 470 pF, I OUT = 10 mA
45
m Vrms
UVLO, R OUT AND ESR
V UVLO
R OUT ? SH
ESR
Under voltage lockout threshold
ON resistance of Discharge Transistor
C OUT equivalent series resistance
5
1.65
150
1.75
500
V
W
m W
7. Performance guaranteed over the indicated operating temperature range by design and/or characterization tested at T J = T A = 25 _ C. Low
duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible.
http://onsemi.com
4
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| CAT6243-ADJMT5T3 | 功能描述:低压差稳压器 - LDO 1A ADJ LDO VOLTAGE REG RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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