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ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics (continued)
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
Low Side N-CH Power MOSFET (M5) R DS(ON) (15)
Symbol
R DS(ON)LS1
Min
10
Typ
-
Max
50
Unit
m ?
(I OUT1 = 1.0 A, V IN = 3.3 V)
M2 R DS(ON)
R DS(ON)M2
2.0
-
4.0
?
(V IN = 3.3 V, M2 is on)
SW1 Leakage Current (Standby and Shutdown modes)
PVIN1 Pin Leakage Current
I SW
I PVIN1
-10
-10
-
-
10
10
μA
μA
(Shutdown Mode)
Error Amplifier DC Gain (15)
Error Amplifier Unit Gain Bandwidth (15)
Error Amplifier Slew Rate (15)
Error Amplifier Input Offset (15)
INV1 Pin Leakage Current
Thermal Shutdown Threshold (15)
Thermal Shutdown Hysteresis (15)
A EA
UGBW EA
SR EA
OFFSET EA
I INV1
T SDFET1
T SDHYFET1
-
-
-
-3.0
-1.0
-
-
150
3.0
7.0
0
-
170
25
-
-
-
3.0
1.0
-
-
dB
MHz
V/μs
mV
μA
°C
°C
CHANNEL 2 BUCK CONVERTER (PVIN2, SW2, PGND2, BOOT2, INV2, COMP2)
CH 2 High Side MOSFET Drain Voltage Range
P VIN
2.5
-
6.0
V
Output Voltage Adjustment
Range (15)
V OUTHI2
0.7
-
1.35
V
Output Voltage
Line Regulation
Accuracy (15) , (16),(17)
(15)
-
REG LN2
-1.0
-1.0
-
-
1.0
1.0
%
%
(Normal Operation, V IN = 3.0 to 6.0 V, I OUT2 = ±3.0 A)
Load Regulation (15)
REG LD2
-1.0
-
1.0
%
(Normal Operation, I OUT2 = -3.0 to 3.0 A)
Error Amplifier Common Mode Voltage Range (15),(18)
Output Under-voltage Threshold
Output Over-voltage Threshold
Continuous Output Current
Over-current Limit ?
(Sinking and Sourcing)
Short-circuit Current Limit ?
(Sinking and Sourcing)
High Side N-CH Power MOSFET (M6) R DS(ON) (15)
V REF2
V UVR2
V OVR2
I OUT2
I LIM2
I SHORT2
R DS(ON)HS2
0.0
-8.0
1.5
-3.0
-
-
10
-
-
-
-
4.0
6.5
-
1.35
-1.5
8.0
3.0
-
-
50
V
%
%
A
A
A
m ?
(I OUT2 = 1.0 A, V BOOT2 - V SW2 = 3.3 V)
Low Side N-CH Power MOSFET (M7) R DS(ON) (15)
R DS(ON)LS2
10
-
50
m ?
(I OUT2 = 1.0 A, V IN = 3.3 V)
Notes
15.
16.
17.
18.
Design information only, this parameter is not production tested.
Overall output accuracy is directly affected by the accuracy of the external feedback network, 1% feedback resistors are recommended
±1% is assured at room temperature
The 1% output voltage regulation is only guaranteed for a common mode voltage range greater than or equal to 0.7 V
34716
Analog Integrated Circuit Device Data ?
8
Freescale Semiconductor
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