参数资料
型号: ADP2114-EVALZ
厂商: Analog Devices Inc
文件页数: 3/40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

Data Sheet
ADP2114
SPECIFICATIONS
If unspecified, VDD = VINx = EN1 = EN2 = 5.0 V. The minimum and maximum specifications are valid for T J = ?40°C to +125°C, unless
otherwise specified. Typical values are at T J = 25°C. All limits at temperature extremes are guaranteed via correlation using standard
statistical quality control (SQC).
Table 1.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
POWER SUPPLY
VDD Bias Voltage
VDD
2.75
5.5
V
Undervoltage Lockout Threshold
UVLO
V DD rising
2.65
2.75
V
V DD falling
2.35
2.47
Undervoltage Lockout Hysteresis
0.18
V
Quiescent Current
Shutdown Current
IDD Ch1
IDD Ch2
IDD Ch1 + Ch2
IDD SD
EN1 = VDD = 5 V, EN2 = GND, V FB1 = VDD,
OPCFG = GND
EN2 = VDD = 5V, EN1 = GND, V FB2 = VDD,
OPCFG = GND
EN1 = EN2 = VDD = 5 V, V FB2 = V FB1 = VDD,
OPCFG = GND
EN1 = EN2 = GND, VDD = VINx = 2.75 V to 5.5 V,
T J = ?40°C to +115°C
1.7
1.7
3.0
1.0
2.5
2.5
4.0
10
mA
mA
mA
μA
ERROR INTEGRATOR (OTA)
FB1, FB2 Input Bias Current
Transconductance
I FB
g M
Adjustable output, V FBx = 0.6 V,
V1SET, V2SET = VDD or via 82 kΩ to GND
Fixed output; V FBx = 1.2 V,
V1SET, V2SET via 4.7 kΩ to GND
1
11
550
65
15
nA
μA
μA/V
COMPx VOLTAGE RANGE
COMPx Zero-Current Threshold
V COMP, ZCT
Guaranteed by design
1.12
V
COMPx Clamp High Voltage
V COMP, HI
VDD = VINx = 2.75 V to 5.5 V
2.36
2.45
V
COMPx Clamp Low Voltage
V COMP, LO
VDD = VINx = 2.75 V to 5.5 V
0.65
0.70
V
OUTPUT CHARACTERISTICS
Output Voltage Accuracy
V FB
V FB ERROR
Adjustable output, T J = 25 ° C,
V1SET, V2SET = VDD or via 82 kΩ to GND
Adjustable output, T J = ?40 ° C to +125 ° C,
V1SET, V2SET = VDD or via 82 kΩ to GND
Fixed output, T J = 25 ° C, V1SET, V2SET = GND
or via 4.7 kΩ, 8.2 kΩ, 15 kΩ, 27 kΩ,
0.597
0.594
?1.0
0.600
0.600
0.603
0.606
+1.0
V
V
%
47 kΩ to GND
Fixed output, T J = ?40 ° C to +125 ° C,
V1SET, V2SET = GND or via 4.7 kΩ, 8.2 kΩ,
?1.5
+1.5
%
15 kΩ, 27 kΩ, 47 kΩ to GND
Line Regulation
Load Regulation
OSCILLATOR
VDD = VINx = 2.75 V to 5.5 V
VDD = VINx = 2.75 V to 5.5 V
All oscillator parameters provided for
0.05
0.03
%/V
%/A
VDD = 2.75 V to 5.5 V
Switching Frequency
f SW
FREQ tied to GND
FREQ via 8.2 kΩ to GND
FREQ via 27 kΩ to GND
255
510
1020
300
600
1200
345
690
1380
kHz
kHz
kHz
SYNC Frequency Range
f SYNC
f SYNC = 2 × f SW
SYNC Input Pulse Width
FREQ tied to GND
FREQ via 8.2 kΩ to GND
FREQ via 27 kΩ to GND
400
800
1600
100
1000
2000
4000
kHz
kHz
kHz
ns
Rev. B | Page 3 of 40
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