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33730 Datasheet(PDF) 7 Page - Freescale Semiconductor, Inc

Part # 33730
Description  Switch Mode Power Supply with Multiple Linear Regulators
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

33730 Datasheet(HTML) 7 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
Freescale Semiconductor
7
33730
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 4. Static Electrical Characteristic
Characteristics noted under conditions 6.0 V
≤ KA_VBAT = VBAT ≤ 26.5 V, -40°C ≤ TA ≤ 125°C using the typical application circuit,
unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
GENERAL
Keep-Alive Start-up Voltage (at the KA_VBAT pin), VKAM Output Up
VKAM_STUP
4.5
V
Start-up Voltage (at the KA_VBAT pin), VDD3, VDD3 standby, VDDL Up
VSTUP
4.5
V
Over-voltage Shutdown
Voltage at KA_VBAT pin rising
VSHDN_R
35
42
V
Under-voltage Lock-out
Voltage at KA_VBAT pin falling
Voltage at KA_VBAT pin rising
Under-voltage Lock-out Hysteresis(6)
VUVLO_F
VUVLO_R
VUVLO_HYS
3.6
3.7
0.1
4.3
4.4
V
Sleep Quiescent Current (Sleep mode)
VIGN = 0 V, REGON = 0 V, IVKAM = 0 mA, VDD3 OFF, VBAT = 14.0 V,
KA_VBAT = 14 V (P1=1, P2=1, P3=1)
IQ
500
µA
SWITCHING REGULATOR (VDDH)
Buck Converter Output Voltage
VBAT = 6.0 to 26.5 V, ILOAD = 100 mA
VBAT = 26.5 to 35 V, ILOAD = 100 mA
VDDH
4.9
4.85
5.0
5.0
5.1
5.15
V
Switching Regulator Current Limit (see Figure 5)
Pulse-by-Pulse Current Limit
Extreme Current Limit (see Figure 5)(6)
ILIM_SW
ILIM_SW_EX
-2.25
-3.75
-3.5
-4.5
-4.25
-6.00
A
SW Drain Source On Resistance(6)
ID = 500 mA, VBAT = 5.0 V
RDS(ON)
200
m
Ω
Thermal Shutdown Junction Temperature(6)
TSH
TSL
155
195
°C
Thermal Shutdown Hysteresis(6)
TSHYS
1.0
20
°C
VDD3 LINEAR REGULATOR
VDD3 Output Voltage (Includes Line and Load Regulation)
IVDD3 = 0 to -500 mA, See Table 1 for VDD3 Output Settings
VDD3
-3.0
3.0
%
VDD3 Dropout Voltage (VDDH - VDD3)
IVDD3 = -800 mA (VDD3 set to 3.3 V via P1, P2, P3 and with an
external transistor)
VDD3_DO
1.1
1.5
V
VDD3_B Current Limit, VDD3_B = 0 V,
KA_VBAT = 14 V, VBAT = 14 V
KA_VBAT = 5.0 V, VBAT = 5.0 V
IVDD3B_Lim
-20
-20
-50
-50
mA
Notes
6.
Guaranteed By Design.


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