SC4201_04 Datasheet, PDF (2/12 Pages) Semtech Corporation – Multi-Phase Link Controller

SC4201
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
Limits
Units
Supply Voltage
RT, SYNC
Operating Ambient Temperature Range
Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering) 10 sec
Thermal Impedance Junction to Ambient
ESD Rating (Human Body Model)
V_IN
V_{P_K}
T_A
T_J
T_STG
T_LEAD
θ_JA
ESD
7
-0.3V to V_DD +0.3
-40 to +125
-40 to 150
-65 to 150
+300
206
2
V
V
°C
°C
°C
°C
°C/W
kV
Electrical Characteristics
Unless
specified:
T_A
=
T
I
=
-40
to
+125°C,
V
DD
=
5V,
R
T
=
100K,
4-phase.
Parameter
Symbol
Conditions
Min Typ Max Units
Supply Voltage, Operating
Supply Current
VDD Start Threshold
V_DD
3.0
6.0
V
I_DD
V_DD = 6V, R_T = 36.5kΩ , C_OUT = 20pF
2.35 2.60 mA
3.10
V
VDD UVLO Hysteresis
70 100 130 mV
Output Frequency, per phase
F_OUT
Output Frequency Stability
Phase Accuracy
See graphs, Fig 2 - 5
0.1
V_DD = 3V to 6V
By design, not tested
2
MHz
10
%
1
%
Sync Input Threshold
O/P Rise Time
O/P Fall Time
Output Voltage
Output Current (peak)
V_SYNC
T_R
T_F
V_OUT
I_OUT
See pin description
C_OUT = 20pF, V_DD = 3V to 6V
C_OUT = 20pF, V_DD = 3V to 6V
VDD = 5V
VDD = 3.3V
V_DD/3
V
10
ns
10
ns
V_DD
V
25
mA
10
Output Impedance
R_OUT
Output Duration
T_P
Note:
60
Ω
(1)
ns
(1)
T_P
=
T_OUT
N
where
T_OUT
=
output
signal
period
of
individual
phase.
N = 3 for 3 phase operation, N = 4 for 2/4 phase operation.
 2004 Semtech Corp.
2
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