参数资料
型号: SC120ULTRT
厂商: Semtech
文件页数: 22/32页
文件大小: 0K
描述: IC REG BOOST SYNC 3.3V/ADJ 6MLPD
标准包装: 1
类型: 升压(升压)
输出类型: 两者兼有
输出数: 1
输出电压: 3.3V,1.8 V ~ 5 V
输入电压: 0.7 V ~ 4.5 V
频率 - 开关: 1.2MHz
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: 6-MLPD-UT
包装: 标准包装
供应商设备封装: 6-MLPD-UT(1.5x2.0)
产品目录页面: 1357 (CN2011-ZH PDF)
其它名称: SC120ULDKR
SC120
Applications Information (continued)
PSAVE Mode at
Moderate Load
Higher Load
Applied
PSAVE exit due
to output decay
PWM Mode at
High Load
BURST
OFF
BURST
OFF
BURST
PWM Mode
+1.8%
+0.8%
V OUT
Prog’d
Voltage
-2%
Inductor
Current
240mA
0A
Time
Figure 2 — PSAVE Operation With Exit to PWM Due To Output Voltage Decay
PSAVE Mode at
Moderate Load
Higher Load
Applied
PSAVE exit due to
off-time reduction
PWM Mode at
High Load
BURST
OFF
(> 5 μ s)
BURST
OFF
(< 5 μ s)
PWM Mode
+1.8%
+0.8%
V OUT
Prog’d
Voltage
-2%
Inductor
Current
240mA
0A
Time
Figure 3 — PSAVE Operation With Exit to PWM Due To Off-time < 5μs
22
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