参数资料
型号: SC4620MLTRT
厂商: Semtech
文件页数: 5/19页
文件大小: 0K
描述: IC REG BUCK ADJ 2.5A 20MLPQ
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: 0.5 V ~ 5.5 V
输入电压: 2.3 V ~ 5.5 V
PWM 型: 电压模式
频率 - 开关: 200kHz ~ 2MHz
电流 - 输出: 2.5A
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: 20-MLPQ
包装: 标准包装
供应商设备封装: 20-MLPQ(4x4)
其它名称: SC4620MLDKR
SC4620
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless otherwise specified, V IN = V CC =SYNC/EN=3.3V, R OSC =51.1K ?, R ISET =27.4K ?, T A = -40°C to 85°C.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Error Amplifier (Cont.)
Output Voltage Low, COMP
FB = 0.6V, I COMP = 1mA
0.4925
0.1
0.502
0.25
0.5075
V
V
Feedback Voltage
Input Bias Current (1)
V FB
I FB
0 °C to 70 °C
Vcc = 2.3V to 5.5V
FB=V REF
0.497
-0.18
0.502
+0.06
0.507
+0.18
300
V
%/V
nA
Power Switches
High-Side P-MOSFET
Low Side N-MOSFET
R DSH(on)
R DSL(on)
V IN =V CC =5V, I SOURCE = 1A, T A =T J =25 °C
V IN =V CC =5V, I SINK = 1A, T A =T J =25 °C
74
47
100
85
m?
m?
Power Good
PGood Voltage Low
PGood Leakage Current
PGood Delay Time (1)
V PGL
I PGOOD
T D
I PGOOD = 1mA
PGOOD = 5V
Vout rising or Vout falling
0.2
1024
1
V
μ A
clks
PGood High Window
With respect to nominal output,
T A =T J =25 °C
+8
+10
+15
%
Note:
(1) Guaranteed by design.
? 2008 Semtech Corp.
5
www.semtech.com
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