参数资料
型号: SC198AMLTRT
厂商: Semtech
文件页数: 5/15页
文件大小: 0K
描述: IC REG BUCK SYNC PROG .8A 20MLPQ
标准包装: 1
类型: 降压(降压)
输出类型: 可调式
输出数: 2
输出电压: 可编程
输入电压: 2.7 V ~ 5.5 V
频率 - 开关: 1MHz
电流 - 输出: 800mA
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: SC198AMLDKR
Pin Descriptions
NOT RECOMMENDED FOR NEW DESIGN
SC198A
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
T
Pin Name
VINA
LXA
GNDA
VOUTA
CTLA0
CTLA1
CTLA2
GNDR
CTLB2
CTLB1
CTLB0
VOUTB
GNDB
LXB
VINB
ENB
MODE/SYNC
VINR
NC
ENA
THERMAL PAD
Pin Function
Input power supply voltage for converter A
Connection point for the inductor on converter A
Ground reference to converter A
Feedback control input for converter A
Voltage select control pin 0 for output A (see Table 1 — Output Voltage Options).
Voltage select control pin 1 for output A (see Table 1 — Output Voltage Options).
Voltage select control pin 2 for output A (see Table 1 — Output Voltage Options).
Ground for reference supply
Voltage select control pin 2 for output B (see Table 1 — Output Voltage Options).
Voltage select control pin 1 for output B (see Table 1 — Output Voltage Options).
Voltage select control pin 0 for output B (see Table 1 — Output Voltage Options).
Feedback control input for converter B
Ground reference for converter B
Connection point for the inductor on converter B
Input power supply voltage for converter B
Enable pin for output B
Oscillator synchronization input — connect to VIN for forced PWM mode, ground for power-save
mode or connect to an external clock for frequency synchronization.
Reference supply input
Not connected — Leave open
Enable pin for output A
Thermal pad for heatsinking purposes — connect to ground plane using multiple vias — not con-
nected internally
5
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