参数资料
| 型号： | NCP1421DMR2 |
| 厂商： | ON Semiconductor |
| 文件页数： | 3/14页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SYNC ADJ 0.6A 8MICRO |
| 产品变化通告： | LTB Notification 03/Jan/2008 |
| 标准包装： | 1 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.5 V ~ 5 V |
| 输入电压： | 1 V ~ 5 V |
| 频率 - 开关： | 1.2MHz |
| 电流 - 输出： | 600mA |
| 同步整流器： | 是 |
| 工作温度： | -40°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： | NCP1421DMR2OSCT |
NCP1421
PIN FUNCTION DESCRIPTIONS
Pin
1
2
3
4
5
6
7
8
Symbol
FB
LBI/EN
LBO
REF
BAT
GND
LX
OUT
Description
Output Voltage Feedback Input.
Low?Battery Detector Input and IC Enable. With this pin pulled down below 0.5 V, the device is disabled and
enters the shutdown mode.
Open?Drain Low?Battery Detector Output. Output is LOW when V LBI is < 1.20 V. LBO is high impedance in
shutdown mode.
1.20 V Reference Voltage Output, bypass with 1.0 m F capacitor. If this pin is not loaded, bypass with 300 nF
capacitor; this pin can be loaded up to 2.5 mA @ V OUT = 3.3 V.
Battery input connection for internal ring?killer.
Ground.
N?Channel and P?Channel Power MOSFET drain connection.
Power Output. OUT also provides bootstrap power to the device.
MAXIMUM RATINGS (T C = 25 ° C unless otherwise noted.)
Power Supply (Pin 8)
Input/Output Pins (Pin 1?5, Pin 7)
Rating
Symbol
V OUT
V IO
Value
?0.3, 5.5
?0.3, 5.5
Unit
V
V
Thermal Characteristics
Micro8 Plastic Package
Thermal Resistance Junction?to?Air
Operating Junction Temperature Range
Operating Ambient Temperature Range
Storage Temperature Range
P D
R q JA
T J
T A
T stg
520
240
?40 to +150
?40 to +85
?55 to +150
mW
_ C/W
_ C
_ C
_ C
PD +
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 contains ESD protection and exceeds the following tests:
Human Body Model (HBM) ± 2.0 kV per JEDEC standard: JESD22?A114. *Except OUT pin, which is 1k V.
Machine Model (MM) ± 200 V per JEDEC standard: JESD22?A115. *Except OUT pin, which is 100 V.
2. The maximum package power dissipation limit must not be exceeded.
TJ(max) * TA
R q JA
3. Latchup Current Maximum Rating: ± 150 mA per JEDEC standard: JESD78.
4. Moisture Sensitivity Level: MSL 1 per IPC/JEDEC standard: J?STD?020A.
http://onsemi.com
3
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