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MIC45404 Datasheet, PDF (5/32 Pages) Microchip Technology – 19V 5A Ultra-Low Profile DC-to-DC Power Module
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MIC45404
ELECTRICAL CHARACTERISTICS(1) (CONTINUED)
Electrical Specifications: unless otherwise specified, VIN = 12V; CVDDA= 2.2 µF, TA = +25°C.
Boldface values indicate -40°C  TJ  +125°C.
Parameter
Symbol Min.
Typ.
Max. Units
Test Conditions
Pulse-Width Modulation (PWM)
Minimum LX On Time
Minimum LX Off time
TON(MIN)
—
TOFF(MIN)
90
Minimum Duty Cycle
Gm Error Amplifier
Error Amplifier
Transconductance
Error Amplifier DC Gain
Error Amplifier Source/Sink
Current
COMP Output Swing High
COMP Output Swing Low
COMP-to-Inductor Current
Transconductance
Output Voltage DC Accuracy
Output Voltage Accuracy for
Ranges 1 and 2
DMIN
GmEA
AEA
ISR_SNK
COMP_H
COMP_L
GmPS
OutErr12
—
—
—
-400
—
—
—
-1
Output Voltage Accuracy for
OutErr3
-1.5
Range 3
Load Regulation
Line Regulation
LoadReg
—
LineReg
—
Internal Soft Start
Reference Soft Start
Slew Rate
SS_SR
—
Power Good (PG)
PG Low Voltage
PG Leakage Current
PG Rise Threshold
PG_VOL
—
PG_ILEAK
-1
PG_R
90
PG Fall Threshold
PG_F
87.5
PG Rise Delay
PG_R_DLY —
PG Fall Delay
PG_F_DLY —
Note 1: Specification for packaged product only.
26
135
0
1.4
50000
—
2.5
0.8
12.5
—
—
0.03
0.01
0.42
0.17
0.02
92
90
0.45
80
—
190
—
—
—
+400
—
—
—
ns TA = TJ = +25°C
ns VIN = VDDA = 5V, OUTSNS = 3V,
FREQ = Open (400 kHz setting),
VOSET0 = VOSET1 = 0V
(3.3V setting),
TA = TJ = +25°C
% OUTSNS > 1.1 x VOUT(NOM)
mS
V/V
µA TA = TJ = +25°C
V
V
A/V VOUT = 1.2V, IOUT = 4A
1
% 4.75V  VIN  19V,
VOUT = 0.7V to 1.8V,
TA = TJ = -40°C to +125°C,
IOUT = 0A
1.5
% 4.75V  VIN  19V,
VOUT = 2.49V to 3.3V,
TA = TJ = -40°C to +125°C,
IOUT = 0A
—
% IOUT = 0A to 5A
—
% 6V < VIN < 19V, IOUT = 2A
—
V/ms VOUT = 0.7V, 0.8V, 0.9V,
1.0V, 1.2V
0.4
1
95
92.5
—
—
V IPG = 4 mA
µA PG = 5V
% VOUT Rising
% VOUT Falling
ms VOUT Rising
µs VOUT Falling
 2015 Microchip Technology Inc.
DS20005478A-page 5
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