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| 型号： | LTC3203EDD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SWITCHD CAP ADJ 10DFN |
| 标准包装： | 121 |
| 类型： | 升压（升压），切换电容（充电泵） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调 |
| 输入电压： | 2.7 V ~ 5.5 V |
| PWM 型： | Burst Mode? |
| 频率 - 开关： | 900kHz，1MHz |
| 电流 - 输出： | 500mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 10-DFN（3x3） |
LTC3203/LTC3203-1
LTC3203B/LTC3203B-1
ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full specified temperature
range, otherwise specifications are at 25 ° C. V IN = 3.6V, C1 = C2 = 2.2 μ F unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
LTC3203-1/LTC3203B-1
V OUT
4.5V Output Voltage Range
(V SEL = 0V) (Note 5)
5V Output Voltage Range
(V SEL = V IN ) (Note 5)
V IN > 3.1V, I OUT < 500mA
V IN > 2.9V, I OUT < 350mA
V IN > 2.7V, I OUT < 250mA
V IN > 3.1V, I OUT < 500mA
V IN > 3.1V, I OUT < 400mA
V IN > 2.7V, I OUT < 150mA
●
●
●
●
4.32
4.32
4.32
4.8
4.8
4.8
4.5
4.5
4.5
5
5
5
4.68
4.68
4.68
5.2
5.2
5.2
V
V
V
V
V
V
? V OUT / ? I OUT
V OUT Load Regulation
V IN = 3.6V, I OUT = 100mA to 500mA, 2x Mode,
V IN = 4V, I OUT = 100mA to 500mA, 1.5x Mode
0.37
0.27
mV/mA
mV/mA
I CC
No Load Operating Current
(LTC3203-1)
No Load Operating Current
(LTC3203B-1)
I OUT = 0mA, 2x Mode
I OUT = 0mA, 1.5x Mode
I OUT = 0mA, 2x Mode
I OUT = 0mA, 1.5x Mode
120
100
9
7
300
300
μ A
μ A
mA
mA
V VSELH
V VSELL
V SEL Input High Voltage
V SEL Input Low Voltage
●
●
1.3
0.4
V
V
I VSELH
I VSELL
V SEL Input High Current
V SEL Input Low Current
●
●
–1
–1
1
1
μ A
μ A
LTC3203/LTC3203B
V FB
I FB
Feedback Servo Voltage
FB Input Current
I OUT = 0mA, 2.7V ≤ V IN ≤ 5.5V
V FB = 0.95V
●
●
0.88
–50
0.91
0.94
50
V
nA
? V FB / ? I OUT
Load Regulation
(Refer to FB Pin)
I OUT = 100mA to 500mA, 2x Mode, V IN = 3.6V
I OUT = 100mA to 500mA, 1.5x Mode, V IN = 4V
0.08
0.06
mV/mA
mV/mA
I CC
No Load Operating Current
(LTC3203)
No Load Operating Current
(LTC3203B)
I OUT = 0mA, 2x Mode, 5V V OUT Setting
I OUT = 0mA, 1.5x Mode, 5V V OUT Setting
I OUT = 0mA, 2x Mode, 5V V OUT Setting
I OUT = 0mA, 1.5x Mode, 5V V OUT Setting
120
100
9
7
300
300
μ A
μ A
mA
mA
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: Based on long-term current density limitations.
Note 4: Output not in regulation (based on wafer sort):
R OL ≡ (2 ? V IN – V OUT )/I OUT , 2x Mode
R OL ≡ (1.5 ? V IN – V OUT )/I OUT , 1.5x Mode
Note 5: Proper conversion mode, 1.5x or 2x, has to be chosen based on
R OL to ensure output regulation.
Note 3: The LTC3203/LTC3203-1/LTC3203B/LTC3203B-1 are guaranteed
to meet performance specifications from 0 ° C to 85 ° C. Specifications over
the –40 ° C to 85 ° C operating temperature range are assured by design,
characterization and correlation with statistical process controls.
32031fa
3
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