参数资料
型号: AP6503SP-13
厂商: Diodes Inc
文件页数: 4/15页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 3A 8SO
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: 0.925 V ~ 20 V
输入电压: 4.75 V ~ 23 V
PWM 型: 电流模式
频率 - 开关: 340kHz
电流 - 输出: 3A
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: 8-SOIC(0.154",3.90mm Width)裸露焊盘
包装: 标准包装
供应商设备封装: 8-SO 裸露焊盘
其它名称: AP6503SP-13DIDKR
AP6503
Electrical Characteristics (V IN = 12V, T A = +25°C, unless otherwise specified.)
Symbol
I IN
I IN
Parameter
Shutdown Supply Current
Supply Current (Quiescent)
Test Conditions
V EN = 0V
V EN = 2.0V, V FB = 1.0V
Min
Typ
0.3
0.6
Max
3.0
1.5
Unit
μA
mA
R DS(ON)1
R DS(ON)2
High-Side Switch On-Resistance (Note 8)
Low-Side Switch On-Resistance (Note 8)
100
100
m ?
m ?
I Limit
I Limit
HS Current Limit
LS Current Limit
Minimum duty cycle
From Drain to Source
5.5
0.9
A
A
AVEA
High-Side Switch Leakage Current
Error Amplifier Voltage Gain
(Note 8)
V EN = 0V, V SW = 0V,
V SW =12V
0
800
10
μ A
V/V
GEA
GCS
Error Amplifier Transconductance
COMP to Current Sense
Transconductance
Δ I C = ±10μA
1000
2.8
μA/V
A/V
F SW
F FB
D MAX
Oscillator Frequency
Fold-back Frequency
Maximum Duty Cycle
V FB = 0.75V
V FB = 0V
V FB = 800mV
300
340
0.30
90
380
kHz
f SW
%
T ON
Minimum On Time
130
ns
V FB
Feedback Voltage
T A = -40°C to +85°C
900
925
950
mV
Feedback Overvoltage Threshold
1.1
V
V EN_Rising
EN Rising Threshold
EN Lockout Threshold Voltage
0.7
2.2
0.8
2.5
0.9
2.7
V
V
EN Lockout Hysteresis
220
mV
INUV Vth
INUV HYS
T SD
V IN Under Voltage Threshold Rising
V IN Under Voltage Threshold Hysteresis
Soft-Start Current
Soft-Start Period
Thermal Shutdown (Note 8)
V SS = 0V
C SS = 0.1μF
3.80
4.05
250
6
15
160
4.40
V
mV
μ A
ms
°C
Note:
8. Guaranteed by design
AP6503
Document number: DS35077 Rev. 5 - 2
4 of 15
January 2013
? Diodes Incorporated
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