参数资料
| 型号： | LTC3216EDE#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC CHARGE PUMP LED 12-DFN |
| 标准包装： | 2,500 |
| 应用： | 转换器，高电流 LED |
| 输入电压： | 2.9 V ~ 4.4 V |
| 输出数： | 1 |
| 输出电压： | 多重 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-WFDFN 裸露焊盘 |
| 供应商设备封装： | 12-DFN（4x3） |
| 包装： | 带卷 (TR) |
LTC3216
ABSOLUTE MAXIMUM RATINGS
(Note 1)
PIN CONFIGURATION
V IN to GND ................................................ –0.3V to 5.5V
CPO to GND .............................................. –0.3V to 5.5V
EN2, EN1...........................................–0.3V to V IN + 0.3V
I CPO , I ILED (Note 2) .............................................1500mA
C2 +
C1 +
CPO
1
2
3
TOP VIEW
13
12 C1 –
11 GND
10 C2 –
CPO Short-Circuit Duration .............................. Inde?nite
Operating Temperature Range (Note 3).... –40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
I SET1
I LED
I SET2
4
5
6
9
8
7
VIN
EN2
EN1
DE12 PACKAGE
12-LEAD (4mm × 3mm) PLASTIC DFN
EXPOSED PAD IS GND (PIN 13)
MUST BE SOLDERED TO PCB
T JMAX = 125°C, θ JA = 43°C/W
ORDER INFORMATION
LEAD FREE FINISH
LTC3216EDE#PBF
TAPE AND REEL
LTC3216EDE#TRPBF
PART MARKING
3216
PACKAGE DESCRIPTION
12-Lead (4mm × 3mm) Plastic DFN
TEMPERATURE RANGE
–40°C to 85°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based ?nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel speci?cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V IN = 3.6V, C IN = C1 = C2 = 2.2μF, C CPO = 4.7μF.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Power Supply
V IN Operating Voltage
I VIN Operating Current
I CPO = 0mA, 1x Mode
I CPO = 0mA, 1.5x
I CPO = 0mA, 2x Mode
●
2.9
300
7
9.2
4.4
V
μA
mA
mA
I VIN Shutdown Current
EN2 = EN1 = LOW
2.5
7
μA
LED Current
LED Current Ratio (I LED /I SET1/2 )
I LED = 200mA to 800mA
●
3120
3250
3380
mA/mA
I LED Dropout Voltage
Mode Switching Delay
(LED Warmup Time)
Mode Switch Threshold, I LED = 200mA
EN1 = HIGH, EN2 = LOW
EN1 = LOW or HIGH, EN2 = HIGH
120
150
2
mV
ms
ms
LED Current On Time
EN
to LED Current On
130
μs
Charge Pump (CPO)
1x Mode Output Voltage
1.5x Mode Output Voltage
2x Mode Output Voltage
1x Mode Output Impedance
1.5x Mode Output Impedance
I CPO = 0mA
I CPO = 0mA
I CPO = 0mA
V IN = 3.4V, V CPO < 4.6V, C1 = C2 = 2.2μF
V IN
4.6
5.1
0.25
1.5
V
V
V
Ω
Ω
3216fc
2
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