MC34164-3 Datasheet, PDF (7/23 Pages) Freescale Semiconductor, Inc – 3.0 A 1.0 MHz Fully Integrated DDR Switch-Mode Power Supply

ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics
Characteristics noted under conditions 3.0 V ≤ V_IN ≤ 6.0 V, -40°C ≤ T_A ≤ 85°C, GND = 0 V unless otherwise noted. Typical
values noted reflect the approximate parameter means at T_A = 25°C under nominal conditions unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
IC INPUT SUPPLY VOLTAGE (VIN)
Input Supply Voltage Operating Range
Input DC Supply Current ⁽¹¹⁾
Normal Mode: SD = 1 & STBY = 1, Unloaded Outputs
Input DC Supply Current ⁽¹¹⁾
Standby Mode, SD = 1 & STBY = 0
Input DC Supply Current ⁽¹¹⁾
Shutdown Mode, SD = 0 & STBY = X
V_IN
3.0
-
6.0
V
I_IN
-
-
25
mA
I_INQ
-
-
15
mA
I_INOFF
-
-
100
µA
INTERNAL SUPPLY VOLTAGE OUTPUT (VDDI)
Internal Supply Voltage Range
BUCK CONVERTER (PVIN, SW, GND, BOOT, INV, COMP)
V_DDI
2.35
2.5
2.65
V
High-side MOSFET Drain Voltage Range
Output Voltage Adjustment Range ⁽¹²⁾
Output Voltage Accuracy ^{(12), (13), (14)}
Line Regulation ⁽¹²⁾
Normal Operation, V_IN = 3.0 V to 6.0 V, I_OUT = ±3.0 A
Load Regulation ⁽¹²⁾
Normal Operation, I_OUT = -3.0 A to 3.0 A
Error Amplifier Common Mode Voltage Range ^{(12), (15)}
Output Undervoltage Threshold
Output Overvoltage Threshold
Continuous Output Current
Over Current Limit, Sinking and Sourcing
Short Circuit Current Limit
(Sourcing and Sinking)
P_VIN
2.5
-
6.0
V
V_OUT
0.7
-
1.35
V
-
-1.0
-
1.0
%
REG_LN
-1.0
-
1.0
%
REG_LD
-1.0
-
1.0
%
V_REF
V_UVR
V_OVR
I_OUT
I_LIM
0.0
-
1.35
V
-1.5
-
-8.0
%
1.5
-
8.0
%
-3.0
-
3.0
A
-
4.0
-
A
I_SHORT
-
6.5
-
A
High-Side N-CH Power MOSFET (M3) R_DS(ON) ⁽¹²⁾
I_OUT = 1.0 A, V_BOOT - V_SW = 3.3 V
Low-Side N-CH Power MOSFET (M4) R_DS(ON) ⁽¹²⁾
I_OUT = 1.0 A, V_IN = 3.3 V
R_DS(ON)HS
10
-
45
mΩ
R_DS(ON)LS
10
-
45
mΩ
Notes
11. See section “MODES OF OPERATION”, page 14 has a detailed description of the different operating modes of the 34712
12. Design information only, this parameter is not production tested.
13. ±1% is assured at room temperature.
14. Overall output accuracy is directly affected by the accuracy of the external feedback network, 1% feedback resistors are recommended.
15. The 1% output voltage regulation is only guaranteed for a common mode voltage range greater than or equal to 0.7V at room
temperature.
Analog Integrated Circuit Device Data
Freescale Semiconductor
34712
7