參數(shù)資料
型號: TPS65182BRGZT
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: POWER SUPPLY SUPPORT CKT, PQCC48
封裝: 7 X 7 MM, 0.9 MM, PLASTIC, QFP-48
文件頁數(shù): 21/24頁
文件大?。?/td> 865K
代理商: TPS65182BRGZT
SLVSAA2C – MARCH 2010 – REVISED OCTOBER 2010
www.ti.com
ELECTRICAL CHARACTERISTICS
VIN = 3.7 V, TA = –10°C to 85C, Typical values are at TA = 25C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INPUT VOLTAGE
VIN
Input voltage range
3
3.7
6
V
VUVLO
Undervoltage lockout threshold
VIN falling
2.9
V
VHYS
Undervoltage lockout hysteresis
VIN rising
400
mV
INPUT CURRENT
IQ
Operating quiescent current into VIN
Device switching, no load
5.5
mA
ISTD
Operating quiescent current into VIN
Device in standby mode
130
A
ISLEEP
Shutdown current
Device in sleep mode
2.8
10
A
INTERNAL SUPPLIES
VINT_LDO1
Internal supply
2.7
V
VINT_LDO2
Internal supply
2.7
V
VREF
Internal supply
2.25
V
DCDC1 (POSITIVE BOOST REGULATOR)
VIN
Input voltage range
3
3.7
6
V
Output voltage range
17
V
VOUT
DC set tolerance
-5
5
%
IOUT
Output current
160
mA
RDS(ON)
MOSFET on resistance
VIN = 3.7 V
350
m
Switch current limit
1.5
A
ILIMIT
Switch current accuracy
-30
30
%
fSW
Switching frequency
1
MHz
L
Inductor
2.2
H
C
Capacitor
2x4.7
F
ESR
Capacitor ESR
20
m
DCDC2 (INVERTING BUCK-BOOST REGULATOR)
VIN
Input voltage range
3
3.7
6
V
Output voltage range
-17
V
VOUT
DC set tolerance
-5
5
%
IOUT
Output current
160
mA
RDS(ON)
MOSFET on resistance
VIN = 3.7 V
350
m
Switch current limit
1.5
A
ILIMIT
Switch current accuracy
-30
30
%
L
Inductor
4.7
H
C
Capacitor
2x4.7
F
ESR
Capacitor ESR
20
m
LDO1 (VPOS)
VPOS_IN
Input voltage range
16.15
17
17.85
V
VSET
Output voltage set value
VIN = 17 V
14.25
15
15.75
V
VINTERVAL
Output voltage set resolution
VIN = 17 V
250
mV
VPOS_OUT
Output voltage range
VSET = 15 V, ILOAD = 20 mA
14.85
15
15.15
V
VOUTTOL
Output tolerance
VSET = 15 V, ILOAD = 20 mA
-1
1
%
VDROPOUT
Dropout voltage
ILOAD = 120 mA
250
mV
VLOADREG
Load regulation – DC
ILOAD = 10% to 90%
1
%
ILOAD
Load current range
120
mA
ILIMIT
Output current limit
200
mA
TSS
Soft start time
1
ms
6
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TPS65182 TPS65182B
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