PM6681A STMicroelectronics, PM6681A Datasheet - Page 12

• Manufacturer Part Number: PM6681A
• Description: Dual synchronous step down controller with adjustable LDO
• Manufacturer: STMicroelectronics

Electrical characteristics
Table 6.
1. by design
12/47
High and low gate drivers
PGOOD pins UVP/OVP protections
Power management pins
PGOOD1,2
V
I
PGOOD1,2
Symbol
PGOOD1,2
I
EN1,2
LDO FB
FSEL
SKIP
OVP
UVP
I
LDO
Electrical characteristics
(V
LDO current limit
Input bias current
HGATE driver on-resistance
LGATE driver on-resistance
Over voltage threshold
Under voltage threshold
Upper threshold
(VFB-VREF)
Lower threshold
(VFB-VREF)
PGOOD leakage current
output low voltage
SMPS disabled level
SMPS enabled level
Frequency selection range
Pulse skip mode
Ultrasonic mode
PWM mode
Input leakage current
IN
= 24 V; T
Parameter
J
= 25 °C, unless otherwise specified) (continued)
(1)
HGATEx high state (pull-up)
HGATEx low state (pull-down)
LGATEx high state (pull-up)
LGATEx low state (pull-down)
Both SMPS sections with
respect to VREF, OUT1 = 5 V,
OUT2 = 3.3 V
V
I
(1)
(1)
Low level
Middle level
High level
(1)
(1)
(1)
V
V
V
V
Sink
PGOOD1,2
EN1,2
SKIP
SHDN
FSEL
= 4 mA
= 0 to 5 V
= 0 to 5 V
= 0 to 5 V
= 0 to 5 V
Test condition
(1)
(1)
forced to 5.5 V
(1)
V
V
LDO5
LDO5
Min
170
112
107
2.4
1.0
0.8
1.0
0.8
65
88
-
-
Typ
220
116
110
150
0.1
2.0
1.6
1.4
0.8
68
91
V
V
Max
LDO5
LDO5
270
120
113
250
2.7
2.1
1.2
0.8
0.5
1.5
0.5
1.5
71
94
3
1
1
1
1
1
PM6681A
-
-
Unit
mA
mV
µA
uA
µA
%
%
%
%
Ω
V
V
V