PM6680 STMicroelectronics, PM6680 Datasheet - Page 12

• Manufacturer Part Number: PM6680
• Description: IC CTRLR DUAL STEP DOWN 32VFQFPN
• Manufacturer: STMicroelectronics

Specifications of PM6680

• Applications: Controller, Notebook Power System
• Voltage - Input: 6 ~ 28 V
• Number Of Outputs: 2
• Voltage - Output: 0.9 ~ 5.5 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN, 32-VFQFPN
• Output Voltage: 5 V, 0.9 V to 5.5 V, 0.9 V to 3.3 V
• Output Current: 0.33 A
• Input Voltage: 5.5 V to 28 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 10 C
• For Use With: 497-6379 - BOARD EVALUATION FOR PM6680A497-6378 - BOARD EVALUATION FOR PM6680497-6425 - BOARD EVAL BASED ON PM6680A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical characteristics
4
Table 5.
12/49
Supply section
Shutdown section
Soft start section
Current limit and zero crossing comparator
Symbol
I
CSENSE
V
V
Rdson
V
VIN
Vcc
V5SW
V5SW
SHDN
Pin
Ish
Isb
Electrical characteristics
Electrical characteristics
V
Input voltage range
IC supply voltage
Turn-on voltage threshold
Turn-off voltage threshold
Hysteresis
Maximum operating range
LDO5 internal bootstrap
switch resistance
OUTx,OUTx discharge-mode
on-resistance
OUTx,OUTx discharge-mode
synchronous rectifier
Turn-on level
Operating power consumption
Operating current sunk by V
Operating current sunk by V
Device on threshold
Device off threshold
Soft start ramp time
Input bias current limit
Comparator offset
Zero crossing comparator offset
Fixed negative current limit
threshold
IN
= 12 V, T
Parameter
A
= 0 °C to 85 °C, unless otherwise specified
IN
IN
Vout = Vref, LDO5 in
regulation
V5SW > 4.9
FBx > VREF, Vref in
regulation, V5WS to 5 V
SHDN connected to GND,
ENx to GND, V5SW to GND
VCSENSE-VPGND
V
V
PGND
PGND
Test condition
- V
- V
PHASE
PHASE
(1)
Min
5.5
4.5
4.6
0.2
1.2
0.8
20
90
-6
-1
2
4.75
0.36
0.85
-120
Typ
190
100
4.8
1.8
1.5
50
18
14
Max
110
250
5.5
4.9
5.5
0.6
1.7
0.9
3.5
28
25
18
11
3
4
6
PM6680
Unit
mW
mV
mV
mV
mV
ms
µA
µA
µA
Ω
Ω
V
V
V
V
V
V
V
V