参数资料
型号: TPS65020RHAR
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC40
封装: GREEN, PLASTIC, QFN-40
文件页数: 23/48页
文件大小: 1182K
代理商: TPS65020RHAR
www.ti.com
ELECTRICAL CHARACTERISTICS
SLVS607B – SEPTEMBER 2005 – REVISED JULY 2007
CI(DCDC2)
Input Capacitor at VDCDC2 (2)
10
μF
CO(DCDC2)
Output Capacitor at VDCDC2 (2)
10
22
μF
IO(DCDC3)
Output current at L3
800
mA
Inductor at L3 (2)
2.2
3.3
μH
CI(DCDC3)
Input Capacitor at VDCDC3 (2)
10
μF
CO(DCDC3)
Output Capacitor at VDCDC3 (2)
10
22
μF
CI(VCC)
Input Capacitor at VCC (2)
1
μF
Ci(VINLDO)
Input Capacitor at VINLDO (2)
1
μF
CO(VLDO1-2)
Output Capacitor at VLDO1, VLDO2 (2)
2.2
μF
IO(VLDO1-2)
Output current at VLDO1, VLDO2
200
mA
CO(VRTC)
Output Capacitor at VRTC (3)
4.7
μF
TA
Operating ambient temperature
-40
85
°C
TJ
Operating junction temperature
-40
125
°C
Resistor from VINDCDC3, VINDCDC2, VINDCDC1 to VCC used for filtering(4)
1
10
(3)
See applications section for more information.
(4)
Up to 3 mA can flow into VCC when all 3 converters are running in PWM. This resistor causes the UVLO threshold to be shifted
accordingly.
VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6 V, VBACKUP = 3 V, TA = –40°C to 85°C, typical values are
at TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CONTROL SIGNALS : SCLK, SDAT (INPUT), DCDC1_EN, DCDC2_EN, DCDC3_EN, LDO_EN
VIH
High level input voltage
Rpullup = 4.7 k
, pulled to VRTC
1.3
VCC
V
VIL
Low level input voltage
Rpullup = 4.7 k
, pulled to VRTC
0
0.4
V
IH
Input bias current
0.01
0.1
μA
CONTROL SIGNALS : HOT_RESET
VIH
High level input voltage
1.3
VCC
V
VIL
Low level input voltage
0
0.4
V
Pull up resistor at HOT_RESET, connected
1000
k
to VCC
tglitch
Deglitch time at HOT_RESET
25
30
35
ms
CONTROL SIGNALS : LOWBAT, PWRFAIL, RESPWRON, INT, SDAT (OUTPUT)
VOH
High level output voltage
6
V
VOL
Low level output voltage
IIL = 5 mA
0
0.3
V
Duration of low pulse at RESPWRON
External capacitor 1 nF
100
ms
Resetpwron threshold VRTC falling
–3%
2.4
3%
V
Resetpwron threshold VRTC rising
–3%
2.52
3%
V
3
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