参数资料
| 型号： | MC34712EPR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 3/24页 |
| 文件大小： | 0K |
| 描述： | IC CONVERTER DDR 24QFN |
| 标准包装： | 2,500 |
| 应用： | 转换器，DDR |
| 输入电压： | 3 V ~ 6 V |
| 输出数： | 1 |
| 输出电压： | 0.7 V ~ 1.35 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-VFQFN 裸露焊盘 |
| 供应商设备封装： | 24-QFN 裸露焊盘（4x4） |
| 包装： | 带卷 (TR) |
PIN CONNECTIONS
PIN CONNECTIONS
24
23
22
21
20
19
GND
1
18 PVIN
FREQ
2
17
SW
NC
PG
3
4
Transparent
Top View
PIN 25
16
15
SW
SW
STBY
5
14 PGND
SD
6
13
PGND
7
8
9
10
11
12
Figure 3. 34712 Pin Connections
Table 1. 34712 Pin Definitions
A functional description of each pin can be found in the Functional Pin Description section beginning on page 10 .
Pin Number
1
Pin Name
GND
Pin Function
Ground
Formal Name
Signal Ground
Analog signal ground of IC
Definition
2
FREQ
Passive
Frequency Adjustment Buck converter switching frequency adjustment pin
3
4
5
6
7
8
9
10
11
12,13,14
15,16,17
18,19,20
21
NC
PG
STBY
SD
VREFIN
VREFOUT
COMP
INV
VOUT
PGND
SW
PVIN
BOOT
None
Output
Input
Input
Input
Output
Passive
Input
Output
Ground
Output
Supply
Passive
No Connect
Power Good
Standby
Shutdown
Voltage Tracking
Reference Input
Reference Voltage
Output
Compensation
Error Amplifier
Inverting Input
Output Voltage
Discharge FET
Power Ground
Switching Node
Power-circuit Supply
Input
Bootstrap
No internal connections to this pin
Active-low (open drain) power-good status reporting pin
Standby mode input control pin
Shutdown mode input control pin
Voltage tracking reference voltage input
Buffered output equal to 1/2 of voltage-tracking reference
Buck converter external compensation network pin
Buck converter error amplifier inverting input pin
Discharge FET drain connection (connect to buck converter output
capacitors)
Ground return for buck converter and discharge FET
Buck converter power switching node
Buck converter main supply voltage input
Bootstrap switching node (connect to bootstrap capacitor)
34712
Analog Integrated Circuit Device Data ?
Freescale Semiconductor
3
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相关代理商/技术参数 |
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|---|---|
| MC34713 | 制造商:SPC Multicomp 功能描述:HEADER R/ANGLE 20WAY 制造商:SPC Multicomp 功能描述:HEADER, R/ANGLE, 20WAY |
| MC34713EP | 功能描述:开关变换器、稳压器与控制器 SINGLE SWITCH REG RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MC34713EPR2 | 功能描述:开关变换器、稳压器与控制器 SINGLE SWITCH REGULATOR RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MC34715 | 制造商:SPC Multicomp 功能描述:HEADER VERTICAL 2WAY 制造商:SPC Multicomp 功能描述:HEADER, VERTICAL, 2WAY 制造商:SPC Multicomp 功能描述:WIRE-BOARD CONN, RECEPTACLE, 2POS, 3MM; Series:2261(5561); Pitch Spacing:3mm; Contact Termination:Through Hole Vertical; No. of Contacts:2; No. of Rows:2; Connector Mounting:PCB; Gender:Receptacle; Contact Material:Copper Alloy ;RoHS Compliant: Yes |
| MC34716EP | 功能描述:开关变换器、稳压器与控制器 DUAL SWITCH REG RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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