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TPS65217A Datasheet(PDF) 10 Page - Texas Instruments

Part # TPS65217A
Description  Single-Chip PMIC for Battery-Powered Systems
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS65217A Datasheet(HTML) 10 Page - Texas Instruments

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TPS65217
SLVSB64G – NOVEMBER 2011 – REVISED JANUARY 2015
www.ti.com
Electrical Characteristics (continued)
VBAT = 3.6 V ±5%, TJ = 27ºC (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DCDC2 (BUCK)
VIN
Input voltage range
VIN_DCDC2 pin
2.7
VSYS
V
IQ,SLEEP
Quiescent current in SLEEP mode
No load, VSYS = 4 V, TA = 25°C
30
µA
External resistor divider (XADJ2 = 1)
0.6
VIN
Output voltage range
V
I2C selectable in 25-mV steps
0.9
3.3
(XADJ2 = 0)
VOUT
VIN = VOUT + 0.3 V to 5.8 V;
DC output voltage accuracy
-2%
3%
0 mA
≤ IOUT ≤ 1.2 A
IOUT = 1 mA, PFM mode
Power save mode (PSM) ripple voltage
40
mVpp
L = 2.2 µH, COUT = 20 µF
IOUT
Output current range
0
1.2
A
High side MOSFET on-resistance
VIN = 2.7 V
170
RDS(ON)
m
Ω
Low side MOSFET on-resistance
VIN = 2.7 V
120
High side MOSFET leakage current
VIN = 5.8 V
2
ILEAK
µA
Low side MOSFET leakage current
VDS = 5.8 V
1
Current limit (high and low side
ILIMIT
2.7 V < VIN < 5.8 V
1.6
A
MOSFET).
fSW
Switching frequency
1.95
2.25
2.55
MHz
VFB
Feedback voltage
XADJ = 1
600
mV
tSS
Soft-start time
Time to ramp VOUT from 5% to 95%, no load
750
µs
RDIS
Internal discharge resistor at L2
250
Ω
L
Inductor
1.5
2.2
µH
Output capacitor
Ceramic
10
22
µF
COUT
ESR of output capacitor
20
m
Ω
DCDC3 (BUCK)
VIN
Input voltage range
VIN_DCDC3 pin
2.7
VSYS
V
IQ,SLEEP
Quiescent current in SLEEP mode
No load, VSYS = 4 V, TA = 25°C
30
µA
External resistor divider (XADJ3 = 1)
0.6
VIN
Output voltage range
V
I2C selectable in 25-mV steps
0.9
1.5(1)
(XADJ3 = 0)
VOUT
VIN = VOUT + 0.3 V to 5.8 V;
DC output voltage accuracy
-2%
3%
0 mA
≤ IOUT ≤ 1.2 A
IOUT = 1 mA, PFM mode
Power save mode (PSM) ripple voltage
40
mVpp
L = 2.2 µH, COUT = 20 µF
IOUT
Output current range
0
1.2
A
High side MOSFET on-resistance
VIN = 2.7 V
170
RDS(ON)
m
Ω
Low side MOSFET on-resistance
VIN = 2.7 V
120
High side MOSFET leakage current
VIN = 5.8 V
2
ILEAK
µA
Low side MOSFET leakage current
VDS = 5.8 V
1
Current limit (high and low side
ILIMIT
2.7 V < VIN < 5.8 V
1.6
A
MOSFET).
fSW
Switching frequency
1.95
2.25
2.55
MHz
VFB
Feedback voltage
XADJ = 1
600
mV
tSS
Soft-start time
Time to ramp VOUT from 5% to 95%, no load
750
µs
RDIS
Internal discharge resistor at L1, L2
250
Ω
L
Inductor
1.5
2.2
µH
Output capacitor
Ceramic
10
22
µF
COUT
ESR of output capacitor
20
m
Ω
10
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