参数资料
型号: ADP2371ACPZ-R7
厂商: Analog Devices Inc
文件页数: 4/32页
文件大小: 0K
描述: IC REG BUCK ADJ 0.8A 8-LFCSP
标准包装: 1
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.8 V ~ 12 V
输入电压: 3.2 V ~ 15 V
PWM 型: 电流模式
频率 - 开关: 600kHz ~ 1.2MHz
电流 - 输出: 800mA
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-WFDFN 裸露焊盘,CSP
包装: 标准包装
供应商设备封装: 8-LFCSP(3x3)
其它名称: ADP2371ACPZ-R7DKR
ADP2370/ADP2371
Data Sheet
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
OSCILLATOR
Oscillator Frequency
Frequency Synchronization Range
f OSC
f SYNC_RANGE
FSEL = V IN , 3.2 V ≤ V IN ≤ 15 V
FSEL = 0 V, 3.2 V ≤ V IN ≤ 15 V
FSEL = 0 V, 3.2 V ≤ V IN ≤ 15 V
1.0
500
400
1.2
600
1.4
700
800
MHz
kHz
kHz
FSEL = V IN , 3.2 V ≤ V IN ≤ 15 V
0.8
1.6
MHz
Synchronization Threshold
High
Low
Hysteresis
SYNC HIGH
SYNC LOW
SYNC HYS
3.2 V ≤ V IN ≤ 15 V
3.2 V ≤ V IN ≤ 15 V
3.2 V ≤ V IN ≤ 15 V
1.2
200
0.4
V
V
mV
Typical Sync Duty Cycle Range
SYNC Pin Leakage Current
SYNC DUTY
SYNC LKG
V IN (1.2 MHz), 3.2 V ≤ V IN ≤ 5 V, FSEL = V IN
V IN (1.2 MHz), 5 V ≤ V IN ≤ 15 V, FSEL = V IN
SYNC = 0 V or SYNC = V IN
20
20
0.05
55
70
1
%
%
μA
FSEL Threshold
3.2 V ≤ V IN ≤ 15 V
High
Low
Hysteresis
FESL HIGH
FSEL LOW
FSEL HYS
1
125
0.4
V
V
mV
FSEL Pin Leakage Current
FSEL LKG
FSEL = 0 V or FSEL = V IN
0.04
1
μA
POWER GOOD (PG PIN)
PG Threshold
3.2 V ≤ V IN ≤ 15 V
Rising
PG RISE
92
95
%
Falling
Hysteresis
PG Output Low
PG FALL
PG HYS
PG LOW
Pull-up current < 1 mA
82.5
87
5
0.3
%
%
V
PG Delay
Rising
PG DELAYRISE
V OUT crossing PG rising threshold, pull-up
20
μs
current < 1 mA
Falling
PG DELAYFALL
V OUT crossing PG falling threshold, pull-up
0.5
μs
current < 1 mA
PG Leakage
PG LKG
0.04
1
μA
UNDERVOLTAGE LOCKOUT (UVLO)
Input Voltage Rising
Input Voltage Falling
Hysteresis
UVLO RISE
UVLO FALL
UVLO HYS
2.80
190
3.19
V
V
mV
ENABLE INPUT STANDBY (EN PIN)
EN Input Logic
3.2 V ≤ V IN ≤ 15 V
V
High
EN STBY-HIGH
1
Low
Hysteresis
ENABLE INPUT PRECISION (EN PIN)
EN STBY-LOW
EN STBY-HYS
3.2 V ≤ V IN ≤ 15 V
125
0.4
V
mV
EN Input Logic
High
Low
Hysteresis
EN Input Leakage Current
EN Input Delay Time
EN HIGH
EN LOW
EN HYS
I EN-LKG
TI EN-DLY
EN = V IN or GND
For V OUT = 0 V to 0.1 × V OUT when EN rises from
1.135
1.045
1.2
1.1
100
0.05
70
1.26
1.155
1
V
V
mV
μA
μs
0 V to V IN
THERMAL SHUTDOWN
3.2 V ≤ V IN ≤ 15 V
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
TS SD
TS SD-HYS
T J rising
150
15
°C
°C
Rev. D | Page 4 of 32
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