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参数资料
| 型号： | NCP1530DM30R2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK 3V 0.6A MICRO8 |
| 产品变化通告： | Product Obsolescence 01/Jul/2009 |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 3V |
| 输入电压： | 4 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 600kHz |
| 电流 - 输出： | 600mA |
| 同步整流器： | 无 |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 包装： | 剪切带 (CT) |
| 供应商设备封装： | Micro8? |
| 其它名称： | NCP1530DM30R2GOSCT |
NCP1530
PIN FUNCTION DESCRIPTIONS
Pin
1
2
3
4
5
6
7
8
Symbol
V IN
SYN
SS
GND
EN
V OUT
V REF
LX
Description
Unregulated Supply Input.
Oscillator Synchronization and Mode Selection Input.
SYNC = GND (Automatic PWM/PFM mode) The converter operates at 600 kHz fixed?frequency PWM mode
primarily, and automatically switches to variable?frequency PFM mode at small output loads for power saving.
SYNC = V IN (Constant?Frequency PWM mode) The converter operates at 600 kHz fixed?frequency PWM mode
always.
SYNC = External clock signal between 600 to 1200 kHz. The converter will be synchronized with the external
clock signal.
The SYNC pin is internally pulled to GND.
Soft?Start Timing control pin. An external soft?start capacitor can be connected to this pin if extended soft?start is
required. A 50 nA current will be sourced from this pin to charge up the capacitor during startup and gently ramps
the device into service to prevent output voltage overshoot. If this pin is floated, built?in 500 m s (typ.) soft?start
will be activated.
Ground Terminal.
Active?High Enable Input. Active to enable the device. Bring this pin to GND and the quiescent current is reduced
to less than 0.5 m A. This pin is internally pulled to V IN .
Feedback Terminal. The output voltage is sensed by this pin.
Connected to voltage reference decoupling capacitor. For noise non?sensitive applications, the internal voltage
reference can operate without decoupling capacitor.
Inductor Terminal. This pin is connected to the drains of the internal P?channel switching transistors. The inductor
must be connected between this pin and the output terminal.
MAXIMUM RATINGS
Rating
Power Supply (Pin 1)
Input/Output Pins (Pins 2?4 & Pins 7?8)
Thermal Characteristics
Micro8 Plastic Package
Symbol
V IN
V IO
R q JA
Value
?0.3 to 6
?0.3 to 6
240
Unit
V
V
° C/W
Thermal Resistance, Junction?to?Air
Operating Junction Temperature Range
Operating Ambient Temperature Range
Storage Temperature Range
T J
T A
T stg
0 to +150
0 to +85
?55 to +150
° C
° C
° C
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values
(not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage
may occur and reliability may be affected.
1. This device series contains ESD protection and exceeds the following tests:
Human Body Model (HBM) " 2.0 kV per JEDEC standard: JESD22?A114.
Machine Model (MM) " 200 V per JEDEC standard: JESD22?A115.
2. Latchup Current Maximum Rating: " 150 mA per JEDEC standard: JESD78.
3. Moisture Sensitivity Level (MSL): 1 per IPC/JEDEC standard: J?STD?020A.
http://onsemi.com
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