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參數(shù)資料
| 型號： | DS21348GN |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Digital Transmission Interface |
| 英文描述： | DATACOM, PCM TRANSCEIVER, BGA49 |
| 封裝： | CABGA-49 |
| 文件頁數(shù)： | 1/44頁 |
| 文件大小： | 1078K |
| 代理商： | DS21348GN |
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General Description
The MAX8660/MAX8661 power management ICs
(PMICs) power applications processors (APs) in smart
cellular phones, PDAs, Internet appliances, and other
portable devices.
Four step-down DC-DC outputs, three linear regulators,
and an 8th always-on LDO are integrated with power-
management functions. Two dynamically controlled DC-
DC outputs power the processor core and internal mem-
ory. Two other DC-DC converters power I/O, memory,
and other peripherals. Additional functions include on/off
control for outputs, low-battery detection, reset output,
and a 2-wire I2C serial interface. The MAX8661 functions
the same as the MAX8660, except it lacks the REG1
step-down regulator and the REG7 linear regulator.
All step-down DC-to-DC outputs use fast 2MHz PWM
switching and tiny external components. They automati-
cally switch from PWM to high-efficiency, light-load
operation to reduce operating current and extend bat-
tery life. In addition, a forced-PWM option allows low-
noise operation at all loads. Overvoltage lockout pro-
tects the device against inputs up to 7.5V.
Applications
PDAs, Palmtops, and Wireless Handhelds
Smart Cell Phones
Personal Media Players
Portable GPS Navigation
Digital Cameras
Features
o Optimized for Marvell’s PXA300 and Armada 100
Family of Processors
o Protected to 7.5V—Shutdown Above 6.3V
o Four Synchronous Step-Down Converters
REG1, REG2, REG3, REG4
o Four LDO Regulators
REG5, REG6, REG7, REG8
o 2MHz Switching Allows Small Components
o Low, 20A Deep-Sleep Current
o Low-Battery Monitor and Reset Output
MAX8660/MAX8660A/MAX8660B/MAX8661
High-Efficiency, Low-IQ, PMICs with Dynamic
Voltage Management for Mobile Applications
Ordering Information
19-0587; Rev 3; 6/10
1
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
EVALUATION
KIT
AVAILABLE
PART
PIN-PACKAGE
OPTIONS
MAX8660ETL+
40 Thin QFN
V1: 3.3V, 3.0V, 2.85V
V2: 3.3V, 2.5V, 1.8V
V3: 1.4V (default)
V4: 1.4V (default)
MAX8660ETL/V+
40 Thin QFN
V1: 3.3V, 3.0V, 2.85V
V2: 3.3V, 2.5V, 1.8V
V3: 1.4V (default)
V4: 1.4V (default)
Note: All devices are specified over the -40°C to 85°C operating
temperature range.
+
Denotes lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
MAX8660ETL+
MAX8660AETL+
MAX8660BETL+
MAX8661ETL+
THIN QFN
5mm x 5mm x 0.8mm
( ) ARE FOR THE MAX8661
TOP VIEW
35
36
34
33
12
11
13
V5
LX4
PG4
SET2
V6
14
IN5
LX3
EN5
RAMP
PV3
RSO
V3
MR
LBR
1
2
PG1 (GND)
45
6
7
27
28
29
30
26
24 23
22
LX1 (N.C.)
PV1 (PV)
IN
IN8
PG2
LX2
PV4
PG3
3
25
37
EN1 (GND)
PV2
38
39
40
V1 (GND)
SET1 (GND)
V4
LBO
SDA
SCL
SRAD
32
15
AGND
EN2
31
16
17
18
19
20 V8
IN67
(IN6)
V7
(N.C.)
V2
LBF
89
10
21
EN34
EXPOSED PAD (EP)
Pin Configuration
V1
V2
V3
V4
V5
V6
V7
VCC_IO: (PIN PROG)
3.3V/3.0V/2.85V AT 1.2A
VCC_MEM: (PIN PROG)
1.8V/2.5V/3.3V AT 0.9A
VCC_APPS: (I2C PROG)
0.725V TO 1.8V, DVM AT 1.6A
VCC_SRAM: (I2C PROG)
0.725V TO 1.8V, DVM AT 0.4A
VCC_MVT: (I2C PROG)
1.7V TO 2.0V AT 200mA
VCC_CARD1: (I2C PROG)
1.8V TO 3.3V AT 500mA
VCC_CARD2: (I2C PROG)
1.8V TO 3.3V AT 500mA
MR
RSO
LBR
LBO
EN1,2,5
EN34
nRESET
nBATT_FAULT
SYS_EN
PWR_EN
MAIN BATTERY
IN
V8
VCC_BBATT:
3.3V ALWAYS ON AT 30mA
LBF
I2C
INTERFACE
SCL
SDA
MAX8660
Simplified Functional Diagram
Ordering Information continued at end of data sheet.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS21348T | DATACOM, PCM TRANSCEIVER, PQFP44 |
| DS21348TN | DATACOM, PCM TRANSCEIVER, PQFP44 |
| DS21348G | DATACOM, PCM TRANSCEIVER, BGA49 |
| DS21Q348N | DATACOM, PCM TRANSCEIVER, PBGA144 |
| DS21Q348 | DATACOM, PCM TRANSCEIVER, PBGA144 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS21348GN+ | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3V E1/T1/J1 Line Interface RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21348GNB | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21348GN-C01 | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3V E1/T1/J1 Line Interface RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21348T | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3V E1/T1/J1 Line Interface RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21348T+ | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3V E1/T1/J1 Line Interface RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
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