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STWLC68 数据表(PDF) 7 Page - STMicroelectronics

部件名 STWLC68
功能描述  Qi-compliant inductive wireless power receiver for 5W applications
PDF  32 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STWLC68 数据表(HTML) 7 Page - STMicroelectronics

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4.3
Electrical characteristics
0 °C < TA < 85 °C; VVRECT = 5 V to 10 V. Typical values are at TJ = 25 °C, if not otherwise specified.
Table 4. Electrical characteristics
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Supply section
VVRECT,UVLO
VRECT Under-Voltage Lock-Out upper
(turn-on) threshold
VRECT pin voltage, rising edge
3.0
3.3
V
VRECT Under-Voltage Lock-Out lower
(turn-off) threshold
VRECT pin voltage, falling edge
2.5
VVRECT,MAX
VRECT maximum operating supply
voltage
Voltage on VRECT pin
16
V
IVOUT,Q
VOUT current consumption in shut-
down mode
RSTB low for more than 1 ms, supply
voltage (5 V) applied to VOUT
400
750
μA
IVRECT,OP
Operating current consumption (not
considering the programmed dummy-
load current)
RSTB high, supply voltage applied to
VRECT
9.7
13
mA
IVOUT,OP
RSTB high, supply voltage applied to
VOUT
9.7
13
1.8V supply voltage LDO linear regulator
VV1V8
LDO1 output voltage
IV1V8 = 5 mA
1.79
1.8
1.81
V
LDO1 load regulation
0 mA < IV1V8 < 10 mA
5
20
mV
5V supply voltage LDO linear regulator
VV5V0
LDO2 output voltage
IV5V0 = 5 mA, VVRECT = 5.1 V
4.8
5
5.2
V
LDO2 load regulation
0 mA <IV5V0 = 0 mA <10 mA
2
20
mV
LDO2 under-voltage lock-out upper
threshold
2.8
3
3.2
V
IV5V0,EXT
Maximum current allowed for external
load
10
mA
Synchronous rectifier
Efficiency
Target rectifier efficiency
IVRECT = 1 A, VVRECT= 5.2 V, fAC = 100
kHz to 250 kHz
97
%
IVRECT = 1 A, VVRECT = 9.2 V, fAC =
100 kHz to 250 kHz
97
RDSON,ACx
Synchronous rectifier switches on-
resistance
low resistance mode (dynamically
selected)
60
70
80
m Ω
high resistance mode (dynamically
selected)
150
250
350
ASK modulator
RDSON,COMMx
COMM1-COMM2 modulation switches
on-resistance
VVRECT = 5 V
1
2
Ω
RDSON,CLAMPx
CLAMP1-CLAMP2 modulation
switches on-resistance
VVRECT = 5 V
1
Ω
IDMYL,MAX
Dummy load current (internally drawn
from VRECT when enabled)
VVRECT = 5 V to 12 V, IVRECT = 0 A,
IDMYL_SET = 0x1F
310
mA
IDMYL,STEP
10
Main LDO linear regulator
VOUT
Output voltage range
VOUT_SET = 0x00C8
4.95
5.0
5.05
V
STWLC68
Electrical characteristics
DS13131 - Rev 3
page 7/32



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