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参数资料
| 型号： | ADM8828ART-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 2/6页 |
| 文件大小： | 0K |
| 描述： | IC REG MULTI CONFIG ADJ SOT23-6 |
| 标准包装： | 10,000 |
| 类型： | 升压（升压），切换电容（充电泵），反相 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | -1.5 V ~ -5.5 V |
| 输入电压： | 1.5 V ~ 5.5 V |
| 频率 - 开关： | 190kHz |
| 电流 - 输出： | 25mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | SOT-23-6 |
ADM8828/ADM8829–SPECIFICATIONS
(V IN = +5 V, C1, C2 = 1 F, 1 T A = T MIN to T MAX unless other-
wise noted)
Parameter
Min
Typ
Max
Units
Test Conditions/Comments
Input Voltage, IN
Supply Current
1.5
600
5.5
1000
V
μ A
R L = 10 k ?
Unloaded
Output Current
Output Resistance
Output Ripple
25
18
25
28
mA
?
mV p-p
I L = 5 mA
I L = 5 mA
130
mV p-p
I L = 25 mA
Charge-Pump Frequency
Power Efficiency
50
65
120
90
87
190
kHz
kHz
%
%
V IN = +2.25 V
R L = 200 ?
R L = 1 k ?
Voltage Conversion Efficiency
99.5
99.96
98
91
%
%
%
No Load
R L = 1 k ?
R L = 200 ?
Shutdown Supply Current, I SHDN
Shutdown Input Voltage, V SHDN
Shutdown Exit Time
2.0
0.02
175
2
0.8
μ A
V
V
μ s
SHDN = IN
SHDN High = Disabled
SHDN Low = Enabled
I L = 5 mA
C1 and C2 are low ESR (<0.2 ? ) electrolytic capacitors. High ESR will degrade performance.
NOTES
1
Specifications subject to change without notice.
ABSOLUTE MAXIMUM RATINGS*
PIN FUNCTION DESCRIPTIONS
(T A = +25 ° C unless otherwise noted)
Input Voltage (IN to GND) . . . . . . . . . . . . . . . –0.3 V to +6 V
OUT to GND . . . . . . . . . . . . . . . . . . . . . . . . –6.0 V to +0.3 V
OUT, IN Output Current (Continuous) . . . . . . . . . . . . 50 mA
Output Short Circuit Duration to GND . . . . . . . . . . . 10 secs
Power Dissipation, RT-6 . . . . . . . . . . . . . . . . . . . . . . 570 mW
(Derate 8.3 mW/ ° C above +70 ° C)
θ JA , Thermal Impedance . . . . . . . . . . . . . . . . . . . . 120 ° C/W
Operating Temperature Range
Industrial (A Version) . . . . . . . . . . . . . . . . – 40 ° C to +85 ° C
Storage Temperature Range . . . . . . . . . . . –65 ° C to +150 ° C
Lead Temperature Range (Soldering 10 sec) . . . . . . . . +300 ° C
Vapor Phase (70 sec) . . . . . . . . . . . . . . . . . . . . . . . . +215 ° C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . +220 ° C
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >3500 V
*This is a stress rating only and functional operation of the device at these or any
Mnemonic
CAP+
GND
CAP–
OUT
SHDN
IN
Function
Positive Charge-Pump Capacitor Terminal.
Power Supply Ground.
Negative Charge-Pump Capacitor Terminal.
Output, Negative Voltage.
Shutdown Control Input. This input, when
high, is used to disable the charge pump
thereby reducing the power consumption.
Positive Power Supply Input.
PIN CONFIGURATIONS
other conditions above those indicated in the operation section of this specification
is not implied. Exposure to absolute maximum rating conditions for extended
periods may affect device reliability.
ORDERING GUIDE
OUT 1
IN 2
CAP– 3
6 CAP+
ADM8828
5 SHDN
TOP VIEW
(Not to Scale) 4 GND
Temperature
Branding
Package
OUT 1
6 CAP+
Model
ADM8828ART
ADM8829ART
Range
–40 ° C to +85 ° C
–40 ° C to +85 ° C
Information
MM0
MN0
Option*
RT-6
RT-6
IN 2
CAP– 3
ADM8829
5 NC
TOP VIEW
(Not to Scale) 4 GND
NC = NO CONNECT
*RT-6 = 6-lead SOT-23.
–2 –
REV. A
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