参数资料
型号: ADP2118ACPZ-R7
厂商: Analog Devices Inc
文件页数: 3/24页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 3A 16LFCSP
特色产品: ADP2118 High Efficiency Step-Down DC-to-DC Regulator
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: 0.6 V ~ 5.5 V
输入电压: 2.3 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 600kHz,1.2MHz
电流 - 输出: 3A
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: 16-WQFN 裸露焊盘,CSP
包装: 标准包装
供应商设备封装: 16-LFCSP-WQ(3x3)
产品目录页面: 791 (CN2011-ZH PDF)
其它名称: ADP2118ACPZ-R7DKR

Data Sheet
ADP2118
SPECIFICATIONS
VIN = PVIN = 3.3 V, EN = VIN, SYNC/MODE = high @ T J = ?40°C to +125°C, unless otherwise noted. Typical values are at T J = 25 o C.
Table 1.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
VIN AND PVIN
VIN Voltage Range
PVIN Voltage Range
VIN
PVIN
2.3
2.3
5.5
5.5
V
V
Quiescent Current
Shutdown Current
VIN Undervoltage Lockout Threshold
I VIN
I SHDN
UVLO
No switching, SYNC/MODE = GND
Switching, no load, SYNC/MODE = high
VIN = PVIN = 5.5 V, EN = GND
VIN rising
VIN falling
2
100
680
0.3
2.2
2.1
150
900
3
2.3
μA
μA
μA
V
V
OUTPUT CHARACTERISTICS
Load Regulation 1
Line Regulation 1
I o = 0 A to 3 A
I o = 1.5 A
0.08
0.05
%/A
%/V
FB
FB Regulation Voltage
FB Bias Current
V FB
I FB
VIN = 2.3 V to 5.5 V
0.591
0.6
0.01
0.609
0.1
V
μA
SW
High-Side On Resistance 2
Low-Side On Resistance 2
VIN = PVIN = 3.3 V, I SW = 500 mA
VIN = PVIN = 3.3 V, I SW = 500 mA
75
40
110
60
SW Peak Current Limit
High-side switch, VIN = PVIN = 3.3 V
4
5.2
6.4
A
SW Maximum Duty Cycle
SW Minimum On Time 3
VIN = PVIN = 5.5 V, full frequency
VIN = PVIN = 5.5 V, full frequency
100
100
%
ns
TRK
TRK Input Voltage Range
0
600
mV
TRK to FB Offset Voltage
TRK Input Bias Current
TRK = 0 mV to 500 mV
?10
+10
100
mV
nA
FREQUENCY
Oscillator Frequency
FREQ = VIN
FREQ = GND
1.0
500
1.2
600
1.4
700
MHz
kHz
FREQ Input High Voltage
FREQ Input Low Voltage
SYNC/MODE
1.2
0.4
V
V
Synchronization Range
0.6
1.4
MHz
SYNC Minimum Pulse Width
SYNC Minimum Off Time
SYNC Input High Voltage
SYNC Input Low Voltage
INTEGRATED SOFT START
100
100
1.2
0.4
ns
ns
V
V
Soft Start Time
All switching frequency
2048
Clock cycles
PGOOD
Power Good Range
FB rising threshold
105
110
115
%
FB rising hysteresis
2.5
%
Power Good Deglitch Time
FB falling threshold
FB falling hysteresis
From FB to PGOOD
85
90
2.5
16
94
%
%
Clock cycles
PGOOD Leakage Current
PGOOD Output Low Voltage
V PGOOD = 5 V
I PGOOD = 1 mA
0.1
140
1
200
μA
mV
Rev. C | Page 3 of 24
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