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PM6680A Datasheet(PDF) 11 Page - STMicroelectronics

Part # PM6680A
Description  Dual synchronous step-down controller with adjustable output voltages plus LDO
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM6680A Datasheet(HTML) 11 Page - STMicroelectronics

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PM6680A
Electrical characteristics
11/48
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
High and low gate drivers
HGATE
driver on-resistence
HGATEx high state (pullup)
2.0
3
Ω
HGATEx low state (pulldown)
1.6
2.7
Ω
LGATE
driver on-resistance
LGATEx high state (pullup)
1.4
2.1
Ω
LGATEx low state (pulldown)
0.8
1.2
Ω
PGOOD pins UVP/OVP protections
OVP
Over voltage threshold
Both SMPS sections with
respect to VREF
112
116
120
%
UVP
Under voltage threshold
65
68
71
%
PGOOD1,2
Upper threshold
(VFB-VREF)
107
110
113
%
Lower threshold
(VFB-VREF)
88
91
94
%
IPGOOD1,2
PGOOD leakage current
VPGOOD1,2 forced to 5.5 V
1
µA
VPGOOD1,2
Output low voltage
ISink = 4 mA
150
250
mV
Thermal shutdown
TSDN
Shutdown temperature
150
°C
Power management pins
EN1,2
SMPS disabled level
0.8
V
SMPS enabled level
2.4
FSEL
Frequency selection range
Low level (3)
0.5
V
Middle level (3)
1.0
VLDO5-
1.5
High level (3)
VLDO5-
0.8
SKIP
Pulse skip mode
(3)
0.5
V
PWM mode
(3)
1.0
VLDO5-
1.5
Ultrasonic mode
(3)
VLDO5-
0.8
Input leakage current
VEN1,2 = 0
to 5 V
1
µA
VSKIP = 0
to 5 V
1
VSHDN = 0 to 5 V
1
VFSEL = 0 to 5 V
1
3. By design
Table 5.
Electrical characteristics (continued)
(TA = -40 °C to 125 °C, unless otherwise specified. All parameters at operating temperature
extremes are guaranteed by design and statistical analysis (not production tested).


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