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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
V IN
3.0
-
6.0
V
Input DC Supply Current (11)
(Normal Mode: SD = 1, Unloaded Outputs)
I IN
-
-
35
mA
Input DC Supply Current (11)
(Shutdown Mode, SD = 0)
I INOFF
-
-
100
μA
INTERNAL SUPPLY VOLTAGE OUTPUT (VDDI)
Internal Supply Voltage Range
V DDI
2.35
2.5
2.65
V
CHANNEL 1 BUCK CONVERTER (PVIN1, SW1, PGND1, BOOT1, INV1, COMP1, ILIM1)
Channel 1 High Side MOSFET Drain Voltage Range
Output Voltage Adjustment Range (12)
Output Voltage Accuracy (12) , (13)
P VIN
V OUTHI1
-
2.5
0.7
-1.0
-
-
-
6.0
3.6
1.0
V
V
%
Line Regulation (12)
(Normal Operation, V IN = 3.0 to 6.0 V, I OUT1 = 2.5 A)
REG LN1
-1.0
-
1.0
%
Load Regulation (12)
(Normal Operation, I OUT1 = 0.0 to 5.0 A)
Error Amplifier Reference Voltage (12)
Output Under-voltage Threshold
Output Over-voltage Threshold
Continuous Output Current
Over-current Limit
Soft Start Adjusting Reference Voltage Range
Short-circuit Current Limit
REG LD1
V REF1
V UVR1
V OVR1
I OUT1
I LIM1
V ILIM1
I SHORT1
-1.0
-
-8.0
1.5
-
-
1.25
-
-
0.7
-
-
-
6.5
-
8.5
1.0
-
-1.5
8.0
5.0
-
V DDI
-
%
V
%
%
A
A
V
A
High Side N-CH Power MOSFET (M4)
R DS(ON) (12)
R DS(ON)HS1
10
-
50
m Ω
(I OUT1 = 1.0 A, V BOOT1 - V SW1 = 3.3 V)
Low Side N-CH Power MOSFET (M5) R DS(ON) (12)
(I OUT1 = 1.0 A, V IN = 3.3 V)
M2 R DS(ON)
(V IN = 3.3 V, M2 is on)
R DS(ON)LS1
R DS(ON)M2
10
2.0
-
-
50
4.0
m Ω
Ω
Notes
11. Section “MODES OF OPERATION”, page 16 has a detailed description of the different operating modes of the 34717
12. Design information only, this parameter is not production tested.
13. This is directly affected by the accuracy of the external feedback network, 1% feedback resistors are recommended.
34717
Analog Integrated Circuit Device Data
Freescale Semiconductor
7
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