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| 型号： | ADP1612-5-EVALZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 16/28页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL ADP1612 5V VOUT |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步升 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 5V |
| 电流 - 输出： | 1.4A |
| 输入电压： | 1.8 ~ 5.5 V |
| 稳压器拓扑结构： | 升压 |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | ADP1612 |
| 产品目录页面： | 791 (CN2011-ZH PDF) |
| 相关产品： | ADP1612ARMZ-R7DKR-ND - IC REG BST SEPIC ADJ 1.4A 8MSOP ADP1612ARMZ-R7CT-ND - IC REG BST SEPIC ADJ 1.4A 8MSOP ADP1612ARMZ-R7TR-ND - IC REG BST SEPIC ADJ 1.4A 8MSOP |
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ADP1612/ADP1613
TYPICAL APPLICATION CIRCUITS
Both the ADP1612 and ADP1613 can be used in the application
circuits in this section.
The ADP1612 is geared toward applications requiring input
voltages as low as 1.8 V, where the ADP1613 is more suited for
Data Sheet
STEP-UP REGULATOR CIRCUIT EXAMPLES
ADP1612 Step-Up Regulator
L1
4.7μH
applications needing the output power capabilities of a 2.0 A
V IN = 1.8V TO 4.2V
6 VIN
SW 5
D1
3A, 40V V OUT = 5V
Table 6. ADP1612/ADP1613 Differences
Parameter ADP1612 ADP1613
Current Limit 1.4 A 2.0 A
Input Voltage Range 1.8 V to 5.5 V 2.5 V to 5.5 V
The Step-Up Regulator Circuit Examples section recommends
C IN
10μF
OFF
C SS
33nF
ON
ADP1612
3 EN
FB 2
7 FREQ
COMP 1
8 SS
GND
4
R1
30k?
R2
10k?
R COMP
6.8k?
C COMP
3300pF
C OUT
10μF
component values for several common input, output, and load
conditions. The equations in the Applications Information
L1: DO3316P-472ML
D1: MBRA340T3G
R1: RC0805FR-0730KL
C COMP : ECJ-2VB1H332K
C IN : GRM21BR61C106KE15L
section can be used to select components for alternate
configurations.
STEP-UP REGULATOR
R2: CRCW080510K0FKEA C OUT : GRM32DR71E106KA12L
R COMP : RC0805JR-076K8L C SS : ECJ-2VB1H333K
Figure 38. ADP1612 Step-Up Regulator Configuration
V OUT = 5 V, f SW = 650 kHz
The circuit in Figure 36 shows the ADP1612/ADP1613 in a
basic step-up configuration.
L1
ADP1612/
100
90
80
V OUT = 5V
f SW = 650kHz
T A = 25°C
ADP1612
V IN
6
VIN
ADP1613
SW 5
D1
V OUT
70
OFF
ON
3
EN
R1
C IN
1.3MHz
FB 2
60
650kHz
(DEFAULT)
7
FREQ
R2
50
C SS
8
SS
GND
4
COMP 1
R COMP
C COMP
C OUT
40
V IN = 1.8V
V IN = 2.7V
V IN = 3.3V
V IN = 4.2V
30
1
10
100
1k
10k
Figure 36. Step-Up Regulator
The modified step-up circuit in Figure 37 incorporates true
shutdown capability advantageous for battery-powered applica-
LOAD CURRENT (mA)
Figure 39. ADP1612 Efficiency vs. Load Current
V OUT = 5 V, f SW = 650 kHz
tions requiring low standby current. Driving the EN pin below
0.3 V shuts down the ADP1612/ADP1613 and completely
disconnects the input from the output.
L1
NTGD1100L
ADP1612/
T
OUTPUT VOLTAGE (50mV/DIV)
AC-COUPLED
V OUT = 5V
f SW = 650kHz
V IN
R3
10k?
Q1
A
C IN
1.3MHz
6
3
ADP1613
VIN SW 5
EN
FB 2
D1
R1
V OUT
LOAD CURRENT (50mA/DIV)
Q1
B
650kHz
(DEFAULT)
7
FREQ
R2
OFF
ON
C SS
8
SS
COMP 1
GND
4
R COMP
C COMP
C OUT
TIME (100μs/DIV)
Figure 37. Step-Up Regulator with True Shutdown
Rev. D | Page 16 of 28
Figure 40. ADP1612 50 mA to 150 mA Load Transient (V IN = 3.3 V)
V OUT = 5 V, f SW = 650 kHz
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADP1612ARMZ-R7 | 功能描述:IC REG BST SEPIC ADJ 1.4A 8MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:High Efficiency Current Mode Switching Regulators CMOS LDO Regulators 特色产品:BD91x Series Step-Down Regulators 标准包装:2,500 系列:- 类型:降压（降压） 输出类型:两者兼有 输出数:2 输出电压:3.3V，0.8 V ~ 2.5 V 输入电压:4.5 V ~ 5.5 V PWM 型:电流模式 频率 - 开关:1MHz 电流 - 输出:1.5A 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:20-VFQFN 裸露焊盘 包装:带卷 (TR) 供应商设备封装:VQFN020V4040 产品目录页面:1373 (CN2011-ZH PDF) 其它名称:BD9152MUV-E2TR |
| ADP1612-BL1-EVZ | 制造商:Analog Devices 功能描述:BLANK ADISIMPOWER EVAL ADP1612 - Boxed Product (Development Kits) |
| ADP1612-BL2-EVZ | 制造商:Analog Devices 功能描述:BLANK SEPIC DEMO BOARD - Boxed Product (Development Kits) |
| ADP1612-BL3-EVZ | 功能描述:EVAL BLANK ADISIMPOWER ADP1612 RoHS:是 类别:编程器，开发系统 >> 评估板 - DC/DC 与 AC/DC（离线）SMPS 系列:- 标准包装:1 系列:- 主要目的:DC/DC，步降 输出及类型:1，非隔离 功率 - 输出:- 输出电压:3.3V 电流 - 输出:3A 输入电压:4.5 V ~ 28 V 稳压器拓扑结构:降压 频率 - 开关:250kHz 板类型:完全填充 已供物品:板 已用 IC / 零件:L7981 其它名称:497-12113STEVAL-ISA094V1-ND |
| ADP1613 | 制造商:AD 制造商全称:Analog Devices 功能描述:650 kHz /1.3 MHz Step-Up PWM DC-to-DC Switching Converters |
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