参数资料
型号: ADP2503ACPZ-4.5-R7
厂商: Analog Devices Inc
文件页数: 3/16页
文件大小: 0K
描述: IC REG BUCK BST 4.5V .6A 10LFCSP
产品变化通告: Reliability Change 27/Apr/2012
标准包装: 1
类型: 降压(降压),升压(升压)
输出类型: 固定
输出数: 1
输出电压: 4.5V
输入电压: 2.3 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 2.5MHz
电流 - 输出: 600mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘,CSP
包装: 标准包装
供应商设备封装: 10-LFCSP-WD(3x3)
其它名称: ADP2503ACPZ-4.5-R7DKR

Data Sheet
ADP2503/ADP2504
SPECIFICATIONS
V IN = 3.6 V, V OUT = 3.3 V, @ T A = T J = ?40°C to +125°C for minimum/maximum specifications and T A = 25°C for typical specifications,
unless otherwise noted. 1
Table 1.
Parameters
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Input Voltage Range
2.3
5.5
V
Undervoltage Lockout Threshold
V IN rising
V IN falling
2.15
2.10
2.20
2.14
2.25
2.20
V
V
OUTPUT CHARACTERISTICS
Output Voltage Range
Feedback Impedance
2.8
450
5.5
V
k?
Feedback Voltage
Output Voltage Initial Accuracy
Load and Line Regulation
ADP2503/ADP2504 adjustable output (PWM operation, no load)
ADP2503/ADP2504 fixed output (PWM operation, no load)
V IN = 2.3 V to 3.6 V, I LOAD = 0 mA to 500 mA, forced PWM mode
490
?2
500
510
+2
0.5
mV
%
%
CURRENT CHARACTERISTICS
V IN = 2.3 V to 5.5 V, I LOAD = 0 mA to 500 mA, forced PWM mode
0.6
%
Quiescent Current (V IN )
Shutdown Current
I OUT = 0 mA, V IN = EN = 3.6 V, device not switching
T A = T J = ?40°C to +125°C
38
0.2
50
1
μA
μA
SWITCH CHARACTERISTICS
N-Channel Switches
P-Channel Switches
P-Channel Leakage
V IN = 3.6 V
V IN = V OUT = 3.6 V
T J = ?40°C to +125°C
150
150
1
m?
m?
μA
Switch Current Limit
ADP2504
ADP2503
Reverse Current Limit
1.3
1.0
2.0
1.4
1.1
A
A
A
OSCILLATOR AND STARTUP
Oscillator Frequency
2.1
2.5
2.9
MHz
On Time PMOS1 (Buck Mode)
On Time NMOS2 (Boost Mode)
Minimum duty cycle = 30%
Maximum duty cycle = 50% (×2)
130
200
ns
ns
SYNC Clock Frequency
SYNC Clock Minimum Off Time
2.2
160
2.8
MHz
ns
LOGIC LEVEL CHARACTERISTICS
EN, SYNC Input High Threshold
EN, SYNC Input Low Threshold
1.2
0.4
V
V
EN, SYNC Leakage Current
V EN = V IN , V SYNC = V IN
?1
+0.1
+1
μA
THERMAL CHARACTERISTICS
1
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
Rev. C | Page 3 of 16
150
25
°C
°C
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