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STPD01 数据表(PDF) 6 Page - STMicroelectronics

部件名 STPD01
功能描述  Programmable buck converter for USB power delivery
PDF  43 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STPD01 数据表(HTML) 6 Page - STMicroelectronics

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4
Electrical characteristics
Table 5. Recommended operating conditions
Symbol
Parameter
Min.
Typ.
Max.
Unit
PVIN
Input voltage
6
24
26.4
V
VCC
Analog supply voltage
Same as PVIN
VSNS
Output voltage
3
22
V
ISNS+, ISNS-
Current sensing pins
0
22
V
Iout
Output current
3
A
EN, Pon
Analog pins
5
V
SDA, SCL, ADD, INT
Digital pins
5
V
(TA = 25 °C, Vcc=VIN = 24 V unless otherwise specified)
Table 6. Electrical characteristics
Symbol
Parameter
Test conditions
Min. Typ. Max.
Unit
Power section
IIN
Active supply current (1)
Fsw=500 kHz, EN=HIGH, no inductor, ISNS +=0,
ISNS-=0, VSNS=4.8 V, reg 0x01 = 0x1D
12
18
mA
Fsw=750 kHz, EN=HIGH, no inductor, ISNS+=0,
ISNS-=0, VSNS=4.8 V, reg 0x01 = 0x1D
16
22
mA
No switching supply current(1)
EN=HIGH, no inductor, ISNS+=0, ISNS-=0,
LX=HiZ, VSNS=GND
0.9
2
mA
Shutdown supply current(1)
EN=GND
16
25
uA
UVLOH
Operating start voltage
Detect PVIN rising
5.5
V
UVLOL
Operating stop voltage
Detect PVIN falling
5.0
V
VREG
Internal power supply voltage
Ireg = 0 mA
3.5
3.8
4.0
V
VSNS
Output voltage accuracy(2)
-2
+2
%
| VoutSR |
Vout transition slew rate
Absolute value
30
mV/us
ΔVout
Dinamic overshoot/undershoot during
voltage transition(2)
See Section 7.5 Vout transition
-0.5
0.5
V
RONHS
High-side FET on-resistance
ILX = 100 mA
50
mΩ
RONLS
Low-side FET on-resistance
ILX = 100 mA
50
mΩ
SSSLOPE
Soft-start slope
2.5
V/ms
FSW
Switching frequency
TJ = 25 °C, reg 0x05 : bit2=0
500
kHz
TJ = 25 °C, reg 0x05 : bit2=1
750
DC
Duty cycle
10
9
%
IDSC
Output discharge current
60
mA
Pon
Pon threshold (% of VOUT)
Lower
95
%
Upper
105
%
STPD01
Electrical characteristics
DS13473 - Rev 1
page 6/43



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