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参数资料
| 型号： | TPS650244RHBTG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32 |
| 封装： | 5 X 5 MM, GREEN, PLASTIC, QFN-32 |
| 文件页数： | 31/35页 |
| 文件大小： | 955K |
| 代理商： | TPS650244RHBTG4 |
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ELECTRICAL CHARACTERISTICS
www.ti.com .............................................................................................................................................................. SLVS774B – JUNE 2007 – REVISED JULY 2009
VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6V, TA = –40°C to 85°C, typical values are at TA = 25°C
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDCDC1 STEP-DOWN CONVERTER
VVINDCDC1
Input voltage range
2.5
6.0
V
IO
Maximum output current for
VO = 3.3V
1000
mA
TPS650240, TPS650242 and
TPS650245
IO
Maximum output current for TPS650241
VO = 3.3V
1600
mA
and TPS650243
IO
Maximum output current for TPS650244
VO = 3.3V
800
mA
ISD
Shutdown supply current in VINDCDC1
EN_DCDC1 = GND
0.1
1
A
RDS(ON)
P-channel MOSFET on-resistance
VINDCDC1 = VGS = 3.6V
125
261
m
ILP
P-channel leakage current
VINDCDC1 = 6.0V
2
A
RDS(ON)
N-channel MOSFET on-resistance
VINDCDC1 = VGS = 3.6V
130
260
m
ILN
N-channel leakage current
VDS = 6.0V
7
10
A
ILIMF
Forward current limit (P- and N-channel)
2.5V < VINMAIN < 6.0V
0.98
1.10
1.21
A
for TPS650244
ILIMF
Forward current limit (P- and N-channel)
2.5V < VINMAIN < 6.0V
1.15
1.30
1.39
A
for TPS650240, TPS650242 and
TPS650245
ILIMF
Forward current limit (P- and N-channel)
2.5V < VINMAIN < 6.0V
1.75
1.97
2.15
A
for TPS650241 and TPS650243
fS
Oscillator frequency
1.95
2.25
2.55
MHz
VDCDC1
Fixed output voltage
2.80V
VINDCDC1 = 3.3V to 6.0V;
–2%
2%
MODE=0 (PWM/PFM)
0 mA
≤ IO ≤ 1.6A
3.3V
–2%
2%
Fixed output voltage
2.80V
VINDCDC1 = 3.7V to 6.0V;
–1%
1%
MODE=1 (PWM)
0 mA
≤ IO ≤ 1.6A
3.3V
–1%
1%
Adjustable output voltage with resistor
VINDCDC1 = VDCDC1 +0.4V (min 2.5V)
–2%
2%
divider at DEFDCDC1 MODE = 0
to 6.0V; 0mA
≤ IO ≤ 1.6A
(PWM/PFM)
Adjustable output voltage with resistor
VINDCDC1 = VDCDC1 +0.4V (min 2.5V)
–1%
1%
divider at DEFDCDC1; MODE = 1
to 6.0V; 0mA
≤ IO ≤ 1.6A
(PWM)
Line regulation
VINDCDC1 = VDCDC1 + 0.3V (min. 2.5 V)
0.0
%/V
to 6.0V; IO = 10mA
Load regulation
IO = 10mA to 1.6A
0.25
%/A
TSS
Soft start ramp time
VDCDC1 ramping from 5% to 95% of
750
s
target value
R(L1)
Internal resistance from L1 to GND
1
M
Copyright 2007–2009, Texas Instruments Incorporated
5
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PDF描述 |
|---|---|
| TPS650243RHBR | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32 |
| TPS650241RHBRG4 | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32 |
| TPS650243RHBT | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32 |
| TPS650240RHBT | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32 |
| TPS650244RHBR | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS650245RHBR | 功能描述:电池管理 Pwr Mgmt ICs for Li-Ion Pwred Systems RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| TPS650245RHBRG4 | 功能描述:电池管理 Pwr Mgmt ICs for Li Ion Pwred Systems RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| TPS650245RHBT | 功能描述:电池管理 Pwr Mgmt ICs for Li-Ion Pwred Systems RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| TPS650245RHBT | 制造商:Texas Instruments 功能描述:3 Buck and 3 LDO |
| TPS650245RHBTG4 | 功能描述:电池管理 Pwr Mgmt ICs for Li Ion Pwred Systems RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
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