参数资料
型号: LTC3226EUD#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: SWITCHED CAPACITOR REGULATOR, PQCC16
封装: 3 X 3 MM, LEAD FREE, PLASTIC, MO-220WEED-2, QFN-16
文件页数: 13/16页
文件大小: 431K
代理商: LTC3226EUD#PBF
LTC3226
6
3226f
TYPICAL PERFORMANCE CHARACTERISTICS
Charge Profile When Top
Capacitor = Bottom Capacitor
Charge Profile When Top
Capacitor < Bottom Capacitor
Charge Profile When Top
Capacitor > Bottom Capacitor
Normal-to-Back-Up Mode
Switching Transient Waveform
Leakage Balancer Source and
Sink Capability
VMID Shunt Regulator Voltage
vs Current and Temperature
Ideal Diode Gate Current
vs (VIN-VOUT)
VMID VOLTAGE (V)
0
VMID
CURRENT
(mA)
4
8
12
4
3226 G10
0
–4
2
6
10
–2
–6
–8
1
0.5
2
1.5
3 3.5
4.5
2.5
5
VMID
SOURCING
CURRENT
VMID
SINKING
CURRENT
90°C
25°C
–45°C
VIN = 3.3V, VCPO = 5V
VMID SHUNT REG OFF
VMID CURRENT (mA)
2.50
VMID
VOLTAGE
(V) 2.60
2.70
2.45
2.55
2.65
0.1
10
100
1000
3226 G11
2.40
1
90°C
25°C
–45°C
VIN = 3.3V
VCPO = 5V
ONLY LEAKAGE
BALANCER
ACTIVE
SHUNT
REGULATOR
ACTIVE
VIN – VOUT (mV)
–100
–5
I GATE
(A)
–4
–2
–1
0
5
2
–50
0
3226 G12
–3
3
4
1
50
100
FAST
OFF
FAST
ON
LINEAR
REGION
FORWARD
VOLTAGE
VOL
TAGE
(V)
3226 G13
TIME (5 SECONDS/DIV)
CPO
VIN
VMID
1x
MODE
2x
MODE
RPROG = 33.2k
CSC = 1.2F
6
5
4
3
2
1
–1
0
VOL
TAGE
(V)
3226 G14
TIME (5 SECONDS/DIV)
6
5
4
3
2
1
0
–1
VIN
VMID
1x
MODE
2x
MODE
RPROG = 33.2k, CSC = 1.2F
EXTRA 1.5F BETWEEN CPO
AND VMID
CPO
VMID CLAMPED
(SHUNT ACTIVE)
VOL
TAGE
(V)
3226 G16
0
100
200
300
400
500
TIME (s)
4
3
2
1
0
VIN
VOUT
PFO
(1V/DIV)
CSC = 1.2F
COUT = 47F
ILOAD = 2A
TA = 25°C, unless otherwise noted.
VOL
TAGE
(V)
3226 G15
TIME (5 SECONDS/DIV)
6
5
4
3
2
1
0
–1
VIN
VMID
1x
MODE
2x
MODE
RPROG = 33.2k,
CSC = 1.2F, EXTRA
1.5F BETWEEN
VMID AND GND
CPO
TOP CAP
CLAMPED
相关PDF资料
PDF描述
LTC3872HDDB#PBF SWITCHING CONTROLLER, 650 kHz SWITCHING FREQ-MAX, PDSO8
LVB48S 1-OUTPUT 5 W DC-DC REG PWR SUPPLY MODULE
LH2540-2D4 2-OUTPUT AC-DC UNREG PWR SUPPLY MODULE
LS2320-9EPD1T 2-OUTPUT 100 W AC-DC REG PWR SUPPLY MODULE
LT1021AMH-10 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 10 V, MBCY8
相关代理商/技术参数
参数描述
LTC3226IUD 制造商:LINEAR 制造商全称:LINEAR 功能描述:2-Cell Supercapacitor Charger with Backup PowerPath Controller
LTC3226IUD#PBF 功能描述:IC 2CELL SUPERCAP CHARGE 16QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:PowerPath™ 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP(4x4) 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR
LTC3226IUD#TRPBF 功能描述:IC 2CELL SUPERCAP CHARGE 16QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:PowerPath™ 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP(4x4) 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR
LTC3230 制造商:LINER 制造商全称:Linear Technology 功能描述:5-LED Main/Sub Display Driver with Dual LDO
LTC3230EUD#PBF 功能描述:IC LED DRIVR WHITE BCKLGT 20-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 恒定电流:- 恒定电压:- 拓扑:升压(升压),切换式电容器(充电泵) 输出数:1 内部驱动器:是 类型 - 主要:背光 类型 - 次要:白色 LED 频率:625kHz ~ 875kHz 电源电压:2.7 V ~ 5.3 V 输出电压:5V 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-µMAX 包装:带卷 (TR) 工作温度:-40°C ~ 85°C