參數(shù)資料
型號(hào)： TPS65185RSLT
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PQCC48
封裝： 6 X 6 MM, 0.4 MM PITCH, 0.9 MM HEIGHT, PLASTIC, VQFN-48
文件頁數(shù)： 48/49頁
文件大?。?/td> 2488K
代理商： TPS65185RSLT
PRODUCTPREVIEW
SLVSAQ8A
– FEBRUARY 2011 – REVISED MAY 2011
ELECTRICAL CHARACTERISTICS (continued)
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
LD01 (POS) AND LDO2 (VNEG) TRACKING
VSET = ±15 V,
VDIFF
Difference between VPOS and VNEG
-50
50
mV
ILOAD = ±20 mA, 0°C to 60°C
VCOM DRIVER
IVCOM
Drive current
15
mA
Outside this range VCOM is shut down
Allowed operating range
-5.5
1
V
and VCOMF interrupt is set
VCOM[8:0] = 0x07Dh
-0.8
0.8
(-1.25 V), VIN = 3.4 V to 4.2 V, no load
Accuracy
%
VCOM[8:0] = 0x07Dh
VCOM
-1.5
1.5
(-1.25 V), VIN = 3.0 V to 6.0 V, no load
Output voltage range
-5.11
0
V
Resolution
1LSB
10
mV
Max number of EEPROM writes
VCOM calibration
100
RIN
Input impedance, HiZ state
HiZ = 1
150
M
Ω
Discharge impedance to ground
VCOM_CTRL = low, HiZ = 0
800
1000
1200
Ω
RDIS
Mismatch to any other RDIS
-2
2
%
CVCOM
Nominal output capacitor
Capacitor tolerance
±10%
3.3
4.7
F
CP1 (VDDH) CHARGE PUMP
VDDH_IN
Input voltage range
15.2
16
16.8
V
Power good threshold
Fraction of nominal output voltage
90
%
PG
Power good time-out
Not tested in production
50
ms
Feedback voltage
0.998
V
VFB
Accuracy
ILOAD = 2 mA
-2
2
%
VDDH_OUT
Output voltage range
VSET = 22 V, ILOAD = 2 mA
21
22
23
V
ILOAD
Load current range
10
mA
fSW
Switching frequency
560
KHz
Discharge impedance to ground
Enabled when rail is disabled
800
1000
1200
Ω
RDIS
Mismatch to any other RDIS
-2
2
%
CD
Driver capacitor
10
nF
CO
Output capacitor
1
2.2
F
CP2 (VEE) NEGATIVE CHARGE PUMP
VEE_IN
Input voltage range
15.2
16
16.8
V
Power good threshold
Fraction of nominal output voltage
90
%
PG
Power good time-out
Not tested in production
50
ms
Feedback voltage
-0.994
V
VFB
Accuracy
ILOAD = 2 mA
-2
2
%
VEE_OUT
Output voltage range
VSET = –20 V, ILOAD = 3 mA
-21
-20
-19
V
ILOAD
Load current range
12
mA
fSW
Switching frequency
560
KHz
Discharge impedance to ground
Enabled when rail is disabled
800
1000
1200
Ω
RDIS
Mismatch to any other RDIS
-2
2
%
CD
Driver capacitor
10
nF
CO
Nominal output capacitor
Capacitor tolerance
±10%
1
2.2
F
8
Copyright
2011, Texas Instruments Incorporated
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