Datasheet

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ELECTRICAL CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
TPS2070
TPS2071
SLVS287B – SEPTEMBER 2000 – REVISED SEPTEMBER 2007
over recommended operating junction temperature range, 4.5 V ≤ V
I(BP)
≤ 5.5 V, 4.85 V ≤ V
I(SP)
≤ 5.5 V, 6 V ≤ V
I(VEXT)
≤ 9 V,
ENx = 0 V, EN_REG = 0 V, BP_DIS = 0 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT SIGNALS ( ENx, EN_REG, BP_DIS)
V
IH
High-level input voltage 2
V
V
IL
Low-level input voltage 0.8
Pullup ENx (active-low) V
I(ENx)
= 0 V 5
I
I
Input current EN_REG (active-high) V
I(EN_REG)
= 5 V 5 μ A
Pulldown
BP_DIS (active-high) V
I(BP_DIS)
= 5 V 5
over recommended operating junction temperature range, 4.5 V ≤ V
I(BP)
≤ 5.5 V, 4.85 V ≤ V
I(SP)
≤ 5.5 V, 6 V ≤ V
I(VEXT)
≤ 9 V,
ENx = 0 V, EN_REG = 0 V, BP_DIS = 0 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OUTPUT SIGNALS (BPMODE or BPMODE, OCx, DPO_RST)
4.25 V ≤ V
I(BP)
≤ 5.5 V,
BPMODE 2.4
4.5 V ≤ V
I(SP)
≤ 5.5 V
BPMODE 4.25 V ≤ V
I(BP)
≤ 5.5 V,
2.4
V
I(SP)
< 4 V
High-level output
V
OH
I
O
= 2 mA V
voltage
OCx 4.25 V ≤ V
I(BP)
≤ 5.5 V,
2.4
V
I(ENx)
= 3.3 V or Hi-Z
DPO_RST 4.25 V ≤ V
I(BP)
≤ 5.5 V,
2.4
V
I(PG_DLY)
= 3.3 V
BPMODE 4.25 V ≤ V
I(BP)
≤ 5.5 V,
0.4
V
I(SP)
< 4 V
I
O
= 3.2 mA
Low-level output
BPMODE 4.25 V ≤ V
I(BP)
≤ 5.5 V,
V
OL
V
0.4
voltage
4.5 V ≤ V
I(SP)
≤ 5.5 V
OCx 4.25 V ≤ V
I(BP)
≤ 5.5 V, I
O(OC)
= 3.2 mA
0.4
OUTx = 0 V
I
O
= 300 μ A, V
O(BPMODE)
≤ 0.4 V 1.5
Minimum input voltage at BP for
V
I(BP)
μ A
low-level output
I
O
= 300 μ A, V
O(BPMODE)
≤ 0.4 V, V
I(SP)
= 5 V 1.5
0 V ≤ V
I(DP0_RST)
≤ 3.3 V, V
I(SP)
= 0 V,
I
Ikg
Hi-Z leakage current at DP0_RST – 5 5
V
I(BP)
= 5.5 V, V
I(PG_DLY)
= 0.9 V
t
d
Overcurrent response delay time
(1)
1 10 ms
UNDERVOLTAGE LOCKOUT (SP, BP, VEXT)
SP 4.5
Start threshold BP V
I(SP)
= Hi-Z 4.25 V
VEXT 3
SP 4
Stop threshold BP 3.75 V
VEXT 2.5
SP 300
V
hys
Hysteresis voltage
(1)
BP 300 mV
VEXT 150
(1) Specified by design, not tested in production.
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