PM6641 STMicroelectronics, PM6641 Datasheet - Page 13

• Manufacturer Part Number: PM6641
• Description: IC MONO VR DDR2/3 PC VFQFPN-48
• Manufacturer: STMicroelectronics

Specifications of PM6641

• Applications: Converter, DDR2, DDR3
• Voltage - Input: 2.7 ~ 5.5 V
• Number Of Outputs: 3
• Voltage - Output: 0.8 ~ 5.5 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-VFQFN
• Output Voltage: 0.9 V
• Output Current: 3 A
• Input Voltage: 2.7 V to 5.5 V
• Switching Frequency: 1000 KHz
• Operating Temperature Range: - 40 C to + 125 C
• Mounting Style: SMD/SMT
• For Use With: 497-8425 - KIT EVAL PM6641 CHIPSET/DDR2/3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PM6641
Table 6.
V
VTTREF section – DDR2/3 rails
I
PG_VTT_TH
I
VTTFB, LEAK
I
I
VTTFB, BIAS
TT
I
LDOIN,STR
LDOIN,STD
I
V
Symbol
LDOIN,ON
VTT,LEAK
I
I
VTTREF
VTT,CL
VTTREF
V
LDO section – DDR2/3 rails
VTT
Electrical characteristics (continued)
Power Good upper threshold
Power Good lower threshold
LDO input bias current in full-
ON state
LDO input bias current in
suspend-to-RAM state
LDO input bias current in
suspend-to-disk state
VTTFB bias current
VTTFB leakage current
VTT leakage current
LDO linear regulator output
voltage (DDR2)
LDO linear regulator output
voltage (DDR3)
LDO output accuracy respect to
VTTREF, V
LDO source current limit
LDO sink current limit
VTTREF output voltage
VTTREF output voltage
accuracy relative to
V
VTTREF short circuit source
current
VTTREF short circuit sink
current
VOUT_1S8
Parameter
/2
LDOIN
=1.8 V
Doc ID 13510 Rev 3
EN_1S8 = EN_VTT = +5 V,
no load on VTT
EN_1S8 = +5 V, EN_VTT = 0 V,
no load on VTT
EN_1S8 = EN_VTT = 0 V,
no load on VTT
EN_1S8 = EN_VTT = +5 V,
V
EN_1S8 = +5 V, EN_VTT = 0 V,
V
EN_1S8 = +5 V, EN_VTT = 0 V,
V
EN_1S8 = EN_VTT = +5 V,
I
EN_1S8 = EN_VTT = +5 V,
I
EN_1S8 = EN_VTT = +5 V,
-1 mA < I
EN_1S8 = EN_VTT = +5 V,
-1 A < I
EN_1S8 = EN_VTT = +5 V,
-2 A < I
V
V
V
V
I
-15 mA < I
V
V
V
VTT
VTT
VTTREF
VTTFB
VTTFB
VTT
VTT
VTT
VTT
VTT
VOUT_1S8
VOUT_1S8
VOUT_1S8
= 0 A, V
0 A, V
= V
< 1.10*(V
> 1.10*(V
> 0.90*(V
< 0.90*(V
VTT
VTT
= V
= V
= 0A, V
VOUT_1S8
VTT
Test condition
VTTREF
LDOIN
= 1.8 V, V
= 1.8 V
= 1.8 V, V
VOUT_1S8
VOUT_1S8
< 1 A
< 2 A
LDOIN
< 1 mA
VOUT_1S8
VOUT_1S8
VOUT_1S8
VOUT_1S8
VOUT_1S8
= 1.8 V
< +15 mA,
/2
= 1.5 V
VTTREF
VTTREF
/2
/2
/2)
/2)
/2)
/2)
= 1.8 V
= 1.8 V
= 0 V
Electrical characteristics
Min
106
-1.5
-10
-20
-25
-35
86
-3
-2
1
2
Values
-1.25
0.75
1.25
Typ
-2.3
110
-40
0.9
2.3
0.9
90
40
1
Max
114
1.5
94
10
10
10
20
25
35
-2
-1
3
1
1
3
2
13/47
Unit
mV
mA
μA
μA
%
%
%
V
A
V