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参数资料
| 型号： | ADM8832EB-EVALZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 6/12页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION ADM8832 REG |
| 标准包装： | 1 |
| 主要目的： | 特殊用途 DC/DC，LCD 电源 |
| 输出及类型： | 3，非隔离 |
| 输出电压： | 5.1V，15.3V，-10.2V |
| 电流 - 输出： | 5mA，1µA，1µA |
| 输入电压： | 2.6 ~ 3.6V |
| 稳压器拓扑结构： | 升压 |
| 频率 - 开关： | 100kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | ADM8832 |
| 相关产品： | ADM8832ACPZ-ND - IC CHARGE PUMP REG TFT 20LFCSP ADM8832ACPZ-REEL7-ND - IC CHARGE PUMP REG TFT 20LFCSP ADM8832ACPZ-REEL-ND - IC CHARGE PUMP REG TFT 20LFCSP |
ADM8832
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
V CC
VOUT
LDO_IN
+5VOUT
+5VIN
1
2
3
4
5
PIN 1
INDICATOR
ADM8832
TOP VIEW
15 C4–
14 C2+
13 C2–
12 C3+
11 C3–
Figure 2. Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
1
2
3
4
5
6
7
8
9
10
11, 12
13, 14
15, 16
17
18
19, 20
Mnemonic
V CC
VOUT
LDO_IN
+5VOUT
+5VIN
LDO_ON/OFF
SHDN
SCAN/BLANK
CLKIN
+15VOUT
C3?, C3+
C2?, C2+
C4?, C4+
?10VOUT
GND
C1?, C1+
Function
Positive Supply Voltage Input. Connect this pin to 3 V supply with a 2.2 μF decoupling capacitor.
Voltage Doubler Output. This is derived by doubling the 3 V supply. A 2.2 μF capacitor to ground is required on
this pin.
Voltage Regulator Input. The user has the option to bypass this circuit using the LDO_ON/OFF pin.
+5.1 V Output Pin. This is derived by doubling and regulating the +3 V supply. A 2.2 μF capacitor to ground is
required on this pin to stabilize the regulator.
+5.1 V Input Pin. This is the input to the voltage tripler and doubler inverter charge pump circuits.
Control Logic Input. 3 V CMOS logic. A logic high selects the internal LDO for regulation of the 5 V voltage
doubler output. A logic low isolates the internal LDO from the rest of the charge pump circuits. This allows the
use of an external LDO to regulate the 5 V voltage doubler output. The output of this LDO is then fed back into
the voltage tripler and doubler/inverter circuits of the ADM8832.
Digital Input. 3 V CMOS logic. Active low shutdown control. This pin shuts down the timing generator and
enables the discharge circuit to dissipate the charge on the voltage outputs, thus driving them to 0 V.
Drive Mode Input. 3 V CMOS logic. A logic high places the part in scan (high current) mode, and the charge
pump is driven by the internal oscillator. A logic low places the part in blanking (low current) mode, and the
charge pump is driven by the (slower) external oscillator. This is a power saving feature on the ADM8832.
External CLOCK Input. During a blanking period, the oscillator circuit selects this pin to drive the charge pump
circuit. This is at a lower frequency than the internal oscillator, resulting in lower quiescent current
consumption, thus saving power.
+15.3 V Output Pin. This is derived by tripling the +5.1 V regulated output. A 1 μF capacitor is required on
this pin.
External capacitor C3 is connected between these pins. A 1 μF capacitor is recommended.
External capacitor C2 is connected between these pins. A 1 μF capacitor is recommended.
External capacitor C4 is connected between these pins. A 1 μF capacitor is recommended.
?10.2 V Output Pin. This is derived by doubling and inverting the +5.1 V regulated output. A 1 μF capacitor is
required on this pin.
Device Ground Pin.
External capacitor C1 is connected between these pins. A 2.2 μF capacitor is recommended.
Rev. A | Page 6 of 12
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| ADM8839 | 制造商:AD 制造商全称:Analog Devices 功能描述:Charge Pump Regulator for Color TFT Panels |
| ADM8839ACP | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
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| ADM8839ACPZ | 功能描述:IC CHARGE PUMP REG TFT 20LFCSP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:2,000 系列:- 应用:控制器，DSP 输入电压:4.5 V ~ 25 V 输出数:2 输出电压:最低可调至 1.2V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:30-TFSOP（0.173"，4.40mm 宽） 供应商设备封装:30-TSSOP 包装:带卷 (TR) |
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