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參數資料
型號： TPS65920A2ZCH
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PBGA139
封裝： 10 X 10 MM, 0.65 MM PITCH, GREEN, PLASTIC, NFBGA-139
文件頁數： 38/115頁
文件大?。?/td> 1232K
代理商： TPS65920A2ZCH
SWCS037G
– MAY 2008 – REVISED APRIL 2011
4.1.1
VDD1 dc-dc Regulator
4.1.1.1
VDD1 dc-dc Regulator Characteristics
The VDD1 dc-dc regulator is a stepdown dc-dc converter with a configurable output voltage. The
programming
of
the
output
voltage
and
the
characteristics
of
the
dc-dc
converter
are
SmartReflex-compatible. The regulator can be put in sleep mode to reduce its leakage (PFM) or in
power-down mode when it is not in use. Table 4-3 describes the regulator characteristics.
Table 4-2. Part Names With Corresponding VDD1 Current Support
Device Name
VDD1 Current Support
TPS65920A2ZCH (some bug fixes, see errata)
1.2 A
TPS65920A2ZCHR (some bug fixes, see errata)
1.2 A
TPS65930A2ZCH (some bug fixes, see errata)
1.2 A
TPS65930A2ZCHR (some bug fixes, see errata)
1.2 A
Table 4-3. VDD1 dc-dc Regulator Characteristics
Parameter
Comments
Min
Typ
Max
Unit
Input voltage range
2.7
3.6
4.5
V
Output voltage
0.6
1.45
V
Output voltage step
Covering the 0.6-V to 1.45-V range
12.5
mV
Output accuracy(1)
0.6 V to
< 0.8 V
–6%
6%
0.8 V to 1.45 V
–4%
4%
Switching frequency
3.2
MHz
IO = 10 mA, sleep
82%
Conversion efficiency(2), Figure 4-2 in active
100 mA
< IO < 400 mA
85%
mode
400 mA
< IO < 600 mA
80%
600 mA
< IO < 800 mA
75%
Active mode
1.2
A
Output current
Sleep mode
10
mA
Ground current (IQ)
Off at 30
°C
3
μA
Sleep, unloaded
30
50
Active, unloaded, not switching
300
Short-circuit current
VIN = VMax
2.2
A
Load regulation
0
< IO < IMax
20
mV
IO = 10 mA to (IMax/2) + 10 mA,
Transient load regulation(3)
–65
50
mV
Maximum slew rate is IMax/2/100 ns
Line regulation
10
mV
Transient line regulation
300 mVPP ac input, 10-μs rise and fall time
10
mV
Start-up time
0.25
1
ms
Recovery time
From sleep mode to on mode with constant
<10
100
μs
load
Slew rate (rising or falling)(4)
4
8
16
mV/
μs
Output shunt resistor (pulldown)
500
700
Value
0.7
1
1.3
μH
External coil
Data capture record (DCR)
0.1
Saturation current
1.8
A
(1)
Accuracy includes all variations (line and load regulations, line and load transients, temperature, and process)
(2)
VBAT = 3.8 V, VDD1 = 1.3 V, Fs = 3.2 MHz, L = 1
μH, LDCR = 100 m, C = 10 μF, ESR = 10 m
(3)
Output voltage must discharge the load current completely and settle to its final value within 100
μs.
(4)
Load current varies proportionally with the output voltage. The slew rate is for increasing and decreasing voltages, and the maximum
load current is 1.1 A.
Copyright
2008–2011, Texas Instruments Incorporated
Power Module
29
focus.ti.com: TPS65930/TPS65920
相關PDF資料
PDF描述
TPS65920BZCHR SPECIALTY CONSUMER CIRCUIT, PBGA139
TPS65920BZCH SPECIALTY CONSUMER CIRCUIT, PBGA139
TPS65930A2ZCHR SPECIALTY CONSUMER CIRCUIT, PBGA139
TPS65930A2ZCH SPECIALTY CONSUMER CIRCUIT, PBGA139
TPS65930BZCHR SPECIALTY CONSUMER CIRCUIT, PBGA139
相關代理商/技術參數
參數描述
TPS65920A2ZCHR 功能描述:PMIC 解決方案 Int Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
TPS65920BZCH 功能描述:開關變換器、穩壓器與控制器 Int Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
TPS65920BZCH 制造商:Texas Instruments 功能描述:Power Supply IC
TPS65920BZCHR 功能描述:開關變換器、穩壓器與控制器 Int Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
TPS65921B1ZQZ 功能描述:PMIC 解決方案 Integrated Power Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
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