TPS3619-33_16 Datasheet, PDF (8/17 Pages) Texas Instruments – BACKUP-BATTERY SUPERVISORS FOR RAM RETENTION

TPS3619-33, TPS3619-50
TPS3620-33, TPS3620-50
SLVS387H – APRIL 2001 – REVISED DECEMBER 2007
TYPICAL CHARACTERISTICS (continued)
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HIGH-LEVEL OUTPUT VOLTAGE AT RESET
vs
HIGH-LEVEL OUTPUT CURRENT
6
V_DD = 5 V
V_BAT = GND
5
T_A = −40°C
4
T_A = 25°C
T_A = 0°C
3
HIGH-LEVEL OUTPUT VOLTAGE AT RESET
vs
HIGH-LEVEL OUTPUT CURRENT
5.1
Expanded View
5
T_A = −40°C
4.9
T_A = 25°C
T_A = 0°C
4.8
2
T_A = 85°C
1
0
0 −5 −10 −15 −20 −25 −30 −35
I_OH − High-Level Output Current − mA
Figure 5.
HIGH-LEVEL OUTPUT VOLTAGE AT PFO
vs
HIGH-LEVEL OUTPUT CURRENT
6
5
T_A = −40°C
T_A = 25°C
4
T_A = 0°C
3
2
T_A = 85°C
V_DD = 5.5 V
1 _{PFI = 1.4 V}
V_BAT = GND
0
0
−0.5
−1
−1.5
−2
I_OH − High-Level Output Current − mA
Figure 7.
−2.5
4.7
V_DD = 5 V
4.6 V_BAT = GND
T_A = 85°C
4.5
0 −0.5 −1 −1.5 −2 −2.5 −3 −3.5 −4 −4.5 −5
I_OH − High-Level Output Current − mA
Figure 6.
HIGH-LEVEL OUTPUT VOLTAGE AT PFO
vs
HIGH-LEVEL OUTPUT CURRENT
5.55
Expanded View
5.50
T_A = −40°C
5.45
T_A = 25°C
5.40
T_A = 0°C
5.35
5.30
5.25
5.20
5.15
V_DD = 5.5 V
PFI = 1.4 V
V_BAT = GND
T_A = 85°C
5.10
0
−20 −40 −60 −80 −100 −120 −140 −160 −180 −200
I_OH − High-Level Output Current − µA
Figure 8.
8
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