参数资料
型号: ADP2114-EVALZ
厂商: Analog Devices Inc
文件页数: 4/40页
文件大小: 0K
描述: BOARD EVALUATION 3.3V/1.8V
设计资源: Powering AD9268 with ADP2114 for Increased Efficiency (CN0137)
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 2,非隔离
输出电压: 可调
电流 - 输出: 4A,2A
输入电压: 2.75 ~ 5.5 V
稳压器拓扑结构: 降压
频率 - 开关: 300kHz,600kHz,1.2MHz
板类型: 完全填充
已供物品:
已用 IC / 零件: ADP2114
ADP2114
Data Sheet
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
SYNC Pin Capacitance to GND
SYNC Input Logic Low
SYNC Input Logic High
Phase Shift Between Channels
CLKOUT Frequency
C SYNC
V IL_SYNC
V IH_SYNC
f CLKOUT
f CLKOUT = 2 × f SW
2.0
5
180
0.8
pF
V
V
Degrees
FREQ tied to GND
FREQ via 8.2 kΩ to GND
FREQ via 27 kΩ to GND
510
1020
2040
600
1200
2400
690
1380
2760
kHz
kHz
kHz
CLKOUT Positive Pulse Time
CLKOUT Rise or Fall Time
CURRENT LIMIT
t CLKOUT
C CLKOUT = 20 pF
All current limit parameters provided for
100
10
ns
ns
VDD = VINx = 2.75 V to 5.5 V
Peak Output Current Limit, Channel 1
Peak Output Current Limit, Channel 2
I LIMIT1
I LIMIT2
OPCFG tied to GND or via 4.7 kΩ to GND
OPCFG via 8.2 kΩ or 15 kΩ to GND
OPCFG tied to GND or via 4.7 kΩ to GND
OPCFG via 8.2 kΩ or 15 kΩ to GND
2.4
3.5
2.4
1.2
3.3
4.5
3.3
1.9
4.0
5.3
4.0
2.6
A
A
A
A
Current Sense Amplifier Gain
G CS
4
A/V
Hiccup Time
f SW = 300 kHz
10
13.6
17
ms
Number of Cumulative Current Limit
Cycles to Go into Hiccup
SWITCH NODE CHARACTERISTICS
8
Cycles
High-Side, P-Channel R DS ON 1
Low-Side, N-Channel R DS ON1
VDD = VINx = 3.3 V
VDD = VINx = 5.0 V
VDD = VINx = 3.3 V
VDD = VINx = 5.0 V
68
52
32
27
SWx Minimum On Time
SWx Minimum Off Time
SW ON MIN
SW OFF MIN
VDD = VINx = 2.75 V to 5.5 V
VDD = VINx = 5.5 V
VDD = VINx = 2.75 V
107
192
255
ns
ns
ns
SWx Maximum Leakage Current
VDD = VINx = 2.75 V to 5.5 V; ENx = GND,
0.1
15
μA
T J = ?40°C to +115°C
ENABLE INPUT
EN1, EN2 Logic Low Level
EN1, EN2 Logic High Level
EN LOW
EN HI
VDD = VINx = 2.75 V to 5.5 V
VDD = VINx = 2.75 V to 5.5 V
2
0.8
V
V
EN1, EN2 Input Leakage Current
I EN_LEAK
VDD = VINx = ENx = 2.75 V to 5.5 V,
T J = ?40°C to +115°C
0.1
1
μA
THERMAL SHUTDOWN
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
T TMSD
150
25
° C
° C
SOFT START
SS1, SS2 Pin Current
Soft Start Threshold Voltage
I SS1 , I SS2
V SS_THRESH
VDD = VINx = 2.75 V to 5.5 V; V SS = 0 V
VDD = VINx = 2.75 V to 5.5 V
4.8
6.0
0.65
7.8
μA
V
Soft Start Pull-Down Current
POWER GOOD
VDD = VINx = 2.75 V to 5.5 V; EN = GND
All power good parameters provided for
0.5
mA
VDD = VINx = 2.75 V to 5.5 V
Overvoltage PGOODx Rising Threshold 2
116
%
Overvoltage PGOODx Falling Threshold 2
Undervoltage PGOODx Rising Threshold 2
Undervoltage PGOODx Falling Threshold 2
PGOODx Delay
PGOODx Leakage Current
PGOODx Low Saturation Voltage
V PGOODx = VDD
I PGOODx = 1 mA
100
85
108
92
84
50
0.1
50
114
97
1
110
%
%
%
μs
μA
mV
1
2
Pin-to-pin measurements.
The thresholds are expressed in percentage terms of the nominal output voltage.
Rev. B | Page 4 of 40
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