参数资料
型号: LTC3202EMS
厂商: Linear Technology
文件页数: 4/12页
文件大小: 0K
描述: IC LED DRVR WHITE BCKLGT 10-MSOP
标准包装: 50
拓扑: PWM,切换式电容器(充电泵)
输出数: 1
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 1.5MHz
电源电压: 2.7 V ~ 4.5 V
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 管件
工作温度: -40°C ~ 85°C
LTC3202
TYPICAL PERFOR A CE CHARACTERISTICS
Short-Circuit Current vs Supply
Voltage
300
280
260
240
220
200
C FLY = 1 μ F
V FB = 0V
V OUT = 0V
T A = 25 ° C
180
2.7
3.0
3.3 3.6 3.9
4.2
4.5
INPUT SUPPLY (V)
3202 G07
V D0, D1
2V/DIV
V OUT
1V/DIV
V OUT Soft-Start Ramp
V IN
(AC COUPLED)
20mV/DIV
V OUT
(AC COUPLED)
20mV/DIV
Input and Output Ripple
V IN = 3.6V
C OUT = 1 μ F
200 μ s/DIV
3202 G08
V IN = 3.6V
C IN = C OUT = 1 μ F
500ns/DIV
3202 G09
I OUT = 60mA
PI FU CTIO S
D1, D0 (Pin 1, 10): Control Inputs. D0 and D1 determine
the set point voltage of the FB pin (see Table 1).
FB (Pin 2): FB is the Feedback Input for the Regulation
Control Loop.
V OUT (Pin 3): V OUT is the Output of the Charge Pump. A low
impedance 1 μ F X5R or X7R ceramic capacitor is required
from V OUT to GND.
V IN (Pin 4): Input Supply Voltage. V IN should be bypassed
with a 1 μ F to 4.7 μ F low impedance ceramic capacitor.
GND (Pin 5): Ground for the Charge Pump and Control
Circuitry. This pin should be connected directly to a low
impedance ground plane.
C2 – , C1 – , C1 + , C2 + (Pin 6, 7, 8, 9): Charge Pump Flying
Capacitor Pins. A 1 μ F X5R or X7R ceramic capacitor
should be connected from C1 + to C1 – and from C2 + to
C2 – .
PGND (Pin 11, Exposed Pad DFN Only): Power Ground
for the Charge Pump. This pin must be connected directly
to a low impedance ground plane.
3202fa
4
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LTC3202EMS#TR 功能描述:IC LED DRVR WHITE BCKLGT 10-MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极,PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND
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