SC2516 Datasheet, PDF (2/15 Pages) Semtech Corporation – Complete Three-in-One DDR Power Solution With BF_CUT

SC2516
POWER MANAGEMENT
Absolute Maximum Ratings
Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified
in the Electrical Characteristics section is not implied.
Parameter
Symbol
Maximum
Units
Supply Voltage, BST to AGND
Standby Input Voltage
Inputs
AGND to PGND or LGND
V_BST
20
V
V_5VSBY
7
V
I/O
5VSTBY +0.3, AGND -0.3
V
0.3
V
VTT Output Current
Operating Ambient Temperature Range
Operating Junction Temperature
Thermal Resistance Junction to Ambient
Thermal Resistance Junction to Case
Storage Temperature Range
TG/BG/TG_GMCH/BG_GMCH DC Voltage
I_O(VTT)
T_A
T
J
θ_JA
θ_JC
T_STG
+/- 2
0 to 70
125
25
4
-65 to 150
BST + 0.3, PGND -0.3
A
o_C
o_C
o_C/W
o_C/W
o_C
V
TG/BG/TG_GMCH/BG_GMCH AC Voltage
ESD Rating (Human Body Model)
Electrical Characteristics
Unless specified: T_A = 25 ^oC , 5VSBY = 5V
Parameter
5VSBY Voltage
Quiescent Current
BF_CUT Threshold
P_OK Threshold
5VSBY Under Voltage Lockout
VDDQ Feedback Reference
VDDQ Feedback Current
SS/EN Shutdown Threshold
Thermal Shutdown
Thermal Shutdown Hysteresis
Symbol
V_5VSBY
I_Q(5VSBY)
UVLO_5VSBY
V_REF
I_FB
V_EN(TH)
T_J-SHDN
T_J-HYST
BST + 1.0, PGND -4.0
V
t < 100 nS
(measured from 50% to 50%)
ESD
2
KV
Conditions
BF_CUT low
BF_CUT High
V_FB = 1.25V
VDDQ/VTT @ Shutdown
Min Typ Max Units
4.5
5
5.5
V
12 16
mA
8
10
0.8 TTL 2.4
V
0.8 TTL 2.4
V
2.4 2.7
3
V
1.238 1.25 1.263 V
-2
uA
0.3 0.5
V
150
o_C
10
o_C
© 2005 Semtech Corp.
2
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