Datasheet

SWITCHING CHARACTERISTICS
TPS65510
www.ti.com .......................................................................................................................................................................................... SLLS917 – SEPTEMBER 2008
ELECTRICAL CHARACTERISTICS (continued)
T
A
= 25 ° C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Boost DC/DC Converter
V
(PWMON)
: AGND (PFM mode) 1.213 1.250 1.288
V
(FB)
Reference voltage V
V
(PWMON)
: VOUT (PWM mode) 1.225 1.250 1.275
Overvoltage protection threshold Monitoring at FB 1.30 1.35 1.40 V
V
(PWMON)
: AGND (PFM mode) 0.48 0.60 0.72
Overcurrent protection threshold A
V
(PWMON)
: VOUT (PWM mode) 0.8 1.0 1.2
OSC Internal OSC frequency V
(PWMON)
: VOUT (PWM mode) 675 750 825 kHz
R
(ON_P)
P-ch FET ON resistance V
(VO_BT)
: 5 V 500 700 m Ω
R
(ON_N)
N-ch FET ON resistance V
(VO_BT)
: 5 V 200 250 m Ω
R
(ON_FBG)
FBG ON resistance V
(PWMON)
: VOUT (PWM mode) 1 1.5 k Ω
I
(LEAK_FBG)
Leakage current at FBG V
(PWMON)
: AGND (PFM mode) 1 µ A
3.3-V Output LDO (VOUT)
V
(VOUT)
Output voltage of VOUT V
(VO_BT)
: 5 V, I
(VOUT)
: 1 mA 3.234 3.300 3.366 V
I
(VOUT)
Output current of VOUT V
(VO_BT)
: 5 V, V
(VOUT)
≥ 3.156 V 30 mA
Overcurrent protection threshold 50 mA
3.3-V Output LDO (VRO)
V
(VRO)
Output voltage of VRO V
(VO_BT)
: 5 V, I
(VRO)
: 1 mA 3.234 3.300 3.366 V
I
(VRO)
Output current of VRO V
(VO_BT)
: 5 V, V
(VRO)
≥ 3.156 V 10 30 mA
Overcurrent protection threshold 50 mA
1.8-V Output LDO (VO1R8)
V
(VO1R8)
Output voltage of VO1R8 V
(V_CTRL)
: VOUT, V
(VO_BT)
: 5 V, I
(VO1R8)
: 100 µ A 1.71 1.80 1.89 V
I
(VO1R8)
Output current of VO1R8 V
(V_CTRL)
: VOUT 100 µ A
1.2-V Output LDO (VO1R2)
V
(VO1R2)
Output voltage of VO1R2 V
(V_CTRL)
: VOUT, V
(VO_BT)
: 5 V, I
(VO1R2)
: 100 µ A 1.1 1.2 1.3 V
I
(VO1R2)
Output current of VO1R2 V
(V_CTRL)
: VOUT 100 µ A
T
A
= 25 ° C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
T
CS
(1)
Detection delay at CS V
(VO_BT)
: from 3.6 V to 2.0 V 55 µ s
T
XRESET
(1)
Detection delay at XRESET V
(VOUT)
: from 1.5 V to 3.0 V 25 µ s
(1) Specified by design. Not production tested.
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